A forum community dedicated to Cadillac CTS-V owners and enthusiasts. Just got the "Could not duplicate customer concerns". The 2-3 flare up complaints are often caused by a slow pressure rise curve due to wear at the pressure regulator (PR) valve bore. . Aside from having mechanical, hydraulic, and electrical hardware systems to contend with, software/programming issues and various vehicle platforms make diagnostics much more difficult. Its driving me plain mad. I now have a sweet black trans dipstick so i will always know. Well at least it was documented that I was having a problem. 2004 Vette Coupe, LS2, MN6, Vararam, ARH/CATs, Ti's, 4:10, Trickflow 215, 30# SVO, Vette Doctors Cam, Fast 90/90, DD McLeod, DTE Brace, Hurst shifter, Bilsteins etc. Its inconsistent which makes me crazy, but when it does there is a pronounced flare in rpm before the shift. 6l80's are really finicky about trans fluid level. 109 0 obj <> endobj The last one I had did the same 2-3 flare and 4-3 harsh downshift and I went round and round with tech assist and never got anywhere. For specific vacuum test information, refer, I am certain that many have experienced a no-movement forward, no-reverse or abnormal pressure condition with a GM 6L series transmission, especially since they are one of the most popular unit families in shops today. "SDS UGqF*mx@K Copyright 6L80E Tuning - All Rights Reserved - Warning! 179 0 obj <>stream Although there are similarities among the wide varieties of transmissions on the road, each transmission has its own peculiarities. <> WOT 3-4 shift will hang the first time after the car starts. }lJq0o.9&II-)ULk-5,G $ Iworked on my MAF tune until i died 7 deaths (LOL) and my LTFT's and STFT's are -1 to -3 percent. Quite a car. This is not when driving spirited or anything. Very very annoying. Copyright 6L80E Tuning - All Rights Reserved - Warning! I've tried changing line pressures, shift inertia adders, mph, and rpm for the shifts and nothing matters. The 6L80E transmission is prone to issues that include: 2-3 harsh or delayed shifts, harsh or delayed shifts from park or reverse, burnt 1-2-3-4, or 3-5 reverse clutch, check engine light (DTC P0751 Code), converter shudder due to flaking of the converter lining, shudder on low/reverse apply, TEHCM and/or CAN software malfunction. JavaScript is disabled. Hard shifts to 3rd or 5th. `@&^lC/pT2Lc`ZDvW LU00|`a Jeff Smith: The transmission in your truck is the 6L80 that first appeared in the Corvette in 2006. Read on to learn more about the 6L90. and guess what same thing but not as bad. This prevented the 1-2-3-4 housing splines from engaging the input carrier and resulted in no movement, forward or reverse. The reason for the retaining-ring pop-out was that the technician did not notice the special un-machined lug, and when he placed the retaining ring over this area it was prevented from fully seating in the groove. A low vacuum reading indicates wear. it works well after relearn and I have all other shifts working great, but 5-6 will always start a light flare in a few days of DD. Transmission was rebuilt. The transition from second to third was flawless. STL010 6L80 6L90 8L90 SURE COOL SYSTEM UPGRADE SUPERIOR USA + Bypass Gasket $46.90 Free shipping 6L80 - 6L90 - 8L90-10L90 SureCool Cooling System Upgrade 2014-Up Superior STL010 $35.62 $37.89 Free shipping Select Vehicle Shop with confidence Top Rated Plus Skipping 2-3 gears. Discussion Starter . Then after the car would sit for a few hours, it would happen again. Specifications subject to change without notice. Full warranty disclosure available on our website or upon request. need to pull the fill plug and finger it. ;b2)%7ez>%mB$qDPdjZEdRlh77TZRm_GnLY VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. The 6T40 was introduced in 2008 for General Motors front-wheel-drive cars in the Chevrolet Malibu and has gone through several changes throughout its three generations, specifically in the pump area. hbbd```b``6A$dA$!0yDe`e`RLLHn$OO .J& nj`!XLzHox*30}aBg`q g Newly built 6L80E and flare issue. endobj A!q*TH\ Related Articles Shift pointers: A 4T65-E that wants to. Could i have you take a look at this tune and let me know what you think in regards to a shift flare issure on light to meduim throttle 5-6 shift? Stock OE Replacement Boost Valve Assembly Fits 2006-on 6L45, 6L50, 6L80, 6L90 xMA],3%lAnS8Q,:,Z@cf I0H7o7*. qS?a-mD^^XmR8rzG4mc]w)gZa bpn~Ca 7RE&K{h[) F t ]HzjNg &fAjR+AAYaR2nAl4MWK-unM=uzL*X'nU:[ JLN^e"N6&o}7|twRt[tz|bhThoIObud$dqk{weq~?Q#8HFT5x2R*SjJ{I+h>RWDVoz:ut 0;zSq<7?q*g1|ntVn z+@J7-G\v@tZaz3qgvH&cwi, 6Czyu#}=)}'$c!" /:u\;O`KKwqaze$2hSvy[kJR2l|`f[,w9N q#u\nD&/ December 17, 2020. 6L45-6L90-ZIP. Zip Valve Drop-in Parts. endstream endobj 110 0 obj <>>> endobj 111 0 obj <> endobj 112 0 obj <>/ExtGState<>/Font<>/ProcSet[/PDF/Text/ImageC]/XObject<>>>/Rotate 0/TrimBox[30.168 30.1599 614.244 812.832]/Type/Page>> endobj 113 0 obj <>stream Its EVERY SINGLE SHIFT. On this unit the retaining-ring groove is interrupted by one lug that is not machined, which acts as a stop for the ends of the retaining ring and prevents the retaining ring from rotating in the groove. 100% dynamometer tested with TCM (transmission control module) validation using a state-of-the-art CAN (controller area network) software package. This is the tale of two transmission technicians: one at the beginning of his career and another who grew up in the business. Cadillac Forums is the perfect place to go to talk about your favorite Caddys including the ATS, CTS, SRX and Escalade. I was going to zero it and try it again but figured I would ask first. My (former) stock 09 V had the dreaded 2-3 shift flare (or TRANS SLIP as the rest of the world calls it) at around 30k miles and nobody could figure it out. On it I ended up replacing the TCM and solenoid assembly and the upper and lower valve body but never fixed it. :) 6L80 = 2006-2018 4.8L / 5.3L / 6.0L / 6.2L / 6.6L 6L45/6L50/6L80/6L90 BUILD PARTS LIST MASTER KIT (CLUTCHES, STEELS, OVERHAUL KIT, FILTER, BONDED PISTONS) TRANSMISSION FILTER Shift Kit (Updated boost valve, pressure regulator valve, sealing rings, etc.) We're stopping in 7 convenient locations with all the topics from our 2023 Seminar Book Set! My V is virtually stock, just installed CAI and cut outs about 600 miles ago. Heya Wacker! Today we explain what causes this problem and how to fix it. }~O[:W,Mvtz\dL/^cq~4^}Xk5 fsd/:$Kk> No mods have been done to the car either with just under 900 miles on it. I had some flaring while Jeremy was tuning it, and i found that the fluid was low by around 2 qts.. 6L80 & 6L90 Upgrade Options for the 4-5-6 Clutch. Stock for now. July 20, 2020. A!1*)8UkXFE#mn.RXDE6r)m@amZK=[|!!JBBTWH%}! I'm figuring a trip to the service dept. September 14, 2020. Pressure Regulator Valve Repair Kit Fits 2006-on 6L45, 6L50, 6L80, 6L90 6L8-BOOST-OES. I+ I wasn't sure if that table was adding shift time or if it was an adder or modifer. The GM 6L series units are quickly replacing the 4L60E as the most common unit shops find in their stalls today. Scary thread. So this is the second transmission with just over 6000 miles on it. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. It doesn't sound good. Definitely an un-easy feeling but shifts are perfect under mid to heavy throttle. Click here for complete warranty information. I don't think this will fix the problem. JavaScript is disabled. As the replacement for the 4L60E/4L80E transmissions, the 6L80 and 6L90 are used in many GM applications, including: Cadillac STS-V, XLR-V, Escalade, Escalade ESV, Escalade EXT, and XLR GMC Sierra, Sierra Denali, Yukon Denali, Yukon XL Denali, Yukon XL, and Yukon Chevrolet Silverado, Suburban, Corvette, and Camaro Hummer H2 Pontiac G8 A with no dipstick its not the easiest thing to do. - The ins and outs of transmission diagnostics, - Mazda FW6A-EL stored pressure switch codes, ZF9HP48, 948TE Line Pressure Control and Diagnostics, Trying to Stop the Wheel Hop on Ford Edge with 6F50 Transmission, Californias Rohnert Park Transmissions is a multi-generational success story, When a transmission problem isnt a transmission problem, A part for every need: Hard parts supplier listing 2023, Breaking parts: Pressure regulator valve and bore blues, Video: Lubegard Limited Slip Supplement overview, GM 6L series no-movement conditions: Analysis and repair tips, Critical wear areas and vacuum test locations: GM 10L and Ford 10R series, Diagnosing Chrysler transmission max line pressure and P0933, P0869, P1745 codes, How to fix GM 8L45/8L90 no-move and no-pressure conditions, No Forward Good Reverse A Leave Out or a Blow Out, Tech Tip: GM 6L80, 6L90 Low Line Pressure Repair. Fits mid '10earlier. Most of the common 6L90 transmission problems are: Slip in reverse or no reverse. Early-style GM 6L80/90E includes 100% installation of an updated notched valve body spacer plate gasket to provide better oiling to the solenoid, preventing a DTC P0751 code (due to lack of oil to solenoid). Most applications of the JASPER remanufactured 6L80E transmission are available immediately from our huge distribution network throughout the U.S. Any advise is appreciated. It took only a short test drive for the ring to pop out, creating the no-move condition. 143 0 obj <>/Filter/FlateDecode/ID[<1BA98715ECCB4FC6BDB2BEDCDD352D29><8CBC1D3C84BADB4EA15D73197E18925E>]/Index[109 71]/Info 108 0 R/Length 147/Prev 465150/Root 110 0 R/Size 180/Type/XRef/W[1 3 1]>>stream Early Bird Special. Cracked drum. This question is for testing whether or not you are a human visitor and to prevent automated spam submissions. November 20, 2020. <> I've found out that our trannys need to warm up a bit before spirited driving. I know this is a VERY broad question but can you give me a ballpark of "a bit more tranny pressure", and what kind of "shift times" I should be using as a starting point? This transmission is not the state-of-the-art but it is very fast. December 17, 2020. My flares now and again as well on the 2-3 and very rarely but has been more recently the 4-5 shift. These 90e's are persnickety about thatOh, not a dealer thing. Transmission Fluid Over Temperature. Take it in. Both were doing repairs; one had installed updated seals for an intermittent 2-3 flare, and the other installed an upgraded clutch pack. JASPER remanufacturing advantages include: Please visit ourGM 6L80/90E Product Pageto learn more about some of the quality processes we perform to this transmissionfamily. I dont know of any good trans tuners in my area. Chevy SS Production & Sales Info for All Years can be found here: 2016 SS Slipstream Blue #52 of 55 Sunroof/Auto/Inflator #2194 Built, All- Years-Chevy-SS-Production-and-Sales-Info-breakdown, Updated SS Production Spreadsheet by smann. 6L80/6L90 "No Movement" After Repair. SHIFT KIT Valve Body Repair Kit Fits 2006-on 6L45, 6L50, 6L80, 6L90 . I'll just leave this here. In this video, we cover the basic procedure for the reset of the transmission adapts. Early-style stator support shaft is modified for 100% installation of updated 1-2-3-4 and 3-5/reverse seal rings to prevent seal leakage, harsh/delayed shifts and burnt clutches. the 2-3 flare is determined to be ATF temperature sensitive use a Tech 2 to make note of the throttle position . k(8M& xX[oCjMX;"gqKi A"/Non o.rw%i}B~6?'4&,kH*++qSXd9j+%2k.El`J)qdJ% .'Y0% 4`bbH"S*%OXt-"RSV(..|#Bt&$[9KEu:lJ7,?KL*U!Y'?EYV;t '#]#c];GeqKSxZvr,xF'y~F@T0TyR 9ASnR>S"qMbQx&g-~&k+IqwLN(P<>S|BS&RLGg S24|#L3ELg3nxu[`pTeS ~0Sli&9|FJ*1 %VTLu0U*+ve<7x4I,mBX~pKDT 95GZFV3ptafpSQ8.^=LSD]=qb5CuW. Iveraised the shift pressue, reduced the shift times, ran 0% TM ARGH! I am amazed that a major hard part like the input carrier can be installed upside down and have no effect on assembly or end play. Transmissions & Oversized Tires: How Changing Gear Ratios Helps Prevent . Using scopes provides. Its not just 2-3. Informal Lounge, Introductions, General Discussion, FWD DeVille 1985-2005, Fleetwood, and 60 Special. . j~jwzuu|QO/;YlRj:9`UhoJGlkH66c7C=F*5d[C*9zIG1RhS[7bDuq~>$co5#nVj BC*_WmoGU'N~Yh1>Nendstream Repeat these procedures ten times. Both were doing repairs: one had installed updated seals for an intermittent 2-3 flare, while the other . Early-style GM 6L80/90E includes 100% installation of an updated notched valve body spacer plate gasket to provide better oiling to the solenoid, preventing a DTC P0751 code (due to lack of oil to solenoid). Just a normal takeoff. Hmmm. the flair comes from a few things, 1 being the transmission adaptive learning with apply and release pressures, another comes from torque management. No mods..Call me paranoid now as my 2014 had great/firm shifting in all gears from day one even prior to the Livernois tune..The tune made it even better..Hmm kinda puzzled on the shifting thing now..I just can't imagine dealer tearing into the Hot Rod so early on..!! Downshift clunk 3-4 Bump Bump shifts Flare shifts Bind-up Burnt clutches Overheated fluid 6L45, 6L50, 6L80, 6L90 Oversized Actuator Feed Limit Valve 104740-12 Helps cure: Solenoid performance codes Clutch failure Wrong gear starts Harsh shifts Soft shifts 6L45, 6L50, 6L80, 6L90 O-Ringed End Plug Kit 104740-23K Helps cure: Shift concerns Doesn't matter what suspension setting (i.e. Jim Dial. z t6}vqA({ p$= As the subject says, I have a newly built 6L80E in my G8 (3000 stall, 6L90 internals, stock clutches, upgraded pump, etc). The 3-4 flares in wot in touring and sport mode. ($LJv:#phvHFVAamZ6Q!C_JPam%FZ=L41$S[|)+$Le| B05$#*qLmt"SVH<5)$N *$N'O D All Rights Reserved. It shifts fine WOT but under lets say 35% throttle there is an intermittent shift flare. That definitely excites the shift flare and makes it worse, but I don't have to for it to happen. endobj My (former) stock 09 V had the dreaded 2-3 shift flare (or TRANS SLIP as the rest of the world calls it) at around 30k miles and nobody could figure it out. Sep 21, 2014. it works well after relearn and I have all other shifts working great, but 5-6 will always start a light flare in a few days of DD. No real bother to me. with no dipstick its not the easiest thing to do. I hope everyone enjoys. 3469 2015 Chevy SS SIM roof, inflator, auto, bolt on stall 11.84 @ 115 NOW heads/cam 11.35 at 121. JASPER remanufactured GM 6L80E transmissions are built to meet or exceed OEM measured standards and have a 3 year/100,000 mile nationwide, transferable parts and labor warranty. stream We have received many calls as of late for abnormal shifting on 6-speed transmissions. Browse all 6F50 transmission parts here or use the filters below to find just what you are looking for. What they have in common is working on the 6L80/6L90 for the first time. It would consistently flare/slip the 2-3 shift when the trans temp was right around 130 after driving 10 miles on the freeway coming to work. Failure to install these seals can result in no reverse, no forward or distressed clutches. Note: OE valves are shown in rest position and should be tested in rest position unless otherwise indicated. stream The issue is that the 2->3 shift is during normal driving just a little delayed. Anyone else have this issue?? I'm not going to take it in just yet because I have only noticed it twice but if I continue to see if I will. Mine has done that since day one. Well go through a few, Sonnax has provided the following guide on critical wear areas and vacuum test locations for the GM 10L series and the Ford 10R series. Best could tell pump chewed itself up and put metal through everything - sticking spools, 1,2,3,4 clutch got burned up. Basic 6L80e/6L90e tuning guide. On the track I turned it off inbetween runs. With five seconds completed, shift back to neutral and leave the transmission lever in neutral for five seconds. Customer Support - (813) 235 . Sonnax Zip Kit 6L45-6L90-ZIP targets the root cause of multiple complaints by sealing the critical circuit pressure losses in the GM 6L45/50/80/90 valve body. Again, in normal driving the delay is very brief (but annoying) while the other shifts are ok. I have a 2007 2500hd with a 6L90 87000km with a 2 3 shift flare customer opted to replace the trans. Half a second is definitely too long. Did you ever get it fixed? I am interested in enhancing my vehicles performance. Subscribe today to see the replies on this topic. 6 0 obj I read something about a WOT blast and letting it coast down but I dont know if the local PD will like that too much. Subscribe today to see the replies on this topic. That being said this is not the first 6L80/90 I've seen doing this. Aside from having mechanical, hydraulic, and electrical hardware systems to contend with, software/programming issues and various vehicle platforms make diagnostics much more difficult. *+$L _H%}!! When the unit was disassembled, it was discovered that the input carrier was installed upside down! Compatible with all models except early, 1st design 6L80 plate 24246916. Zip KitPart No. Should I attempt a Fast Learn anyway? From my last blower only pass at the track: Good info guys, thanks!! The 6L80E transmission is widely used in such popular GM applications as the Silverado and Sierra trucks, Tahoe, Suburban, Denali, Hummer H2, Cadillac Escalade, STS and CTS, Camaro,and G8 . None of the above categories describe me. What they have in common is working on the 6L80 / 6L90 for the first time. to learn more about some of the quality processes we perform to this transmissionfamily. 6L80 & 6L90 Upgrade Options for the 4-5-6 Clutch. Apr 9, 2016. Slip in 3rd or 5th gear. AZ6k;$#f*:4YLE=TtM%F(|!q_H/$DI_HdMY*f0BPHl The open end of the ring should straddle the special un-machined lug. I reset/preset the trans adapts and trans fast adapts. *+$L _H%}!!*+$L%*CtT! Jim Dial. % _azP(G{\h@n1H$:@J1qPby$0`x@.hI#yC\rkz\ h]L` \7nO|1p"d8aw& .E3-?w8| &v$E413|&-tQ When mine started it mulched the clutch pack. Click here to view PDF if the tech resource does not appear below. Heya Wacker! The 6L80 has had a load of transmission problems, some of which directly inhibit drivability. 8,415 Posts. Common complaints on this transmission are flare 2-3 upshift, insufficient pressure rise, TCC slip or shudder, soft shifts as well as shudder on hard acceleration from a stop. This would be a tuner thing. 6L90E 5-6 recurring shift flare. Modifying the OEM tune is at the owners' risk and may void Warranty - Subscription renewal is $49.99 while active and $99 if allowed to expire. It helped SOME but not much. Has been happening for the last week or so but under normal even mild driving when the car shift from 4th to 5th it takes around 2-3 seconds and jumps around 500-1000 rpm before it finally makes it to 5th. Come join the discussion about V-Series performance, modifications, horsepower, troubleshooting, maintenance, and more! Hydraulics Fundamentals Part X: Shift & Relay Valves. 1-2, 2-3, 3-4, 4-5, 5-6. The subject is a rather common electrical fault that may occur on the PCS line pressure solenoid circuit, which results in max line pressure. Important: When installing a new 1-2-3-4 / 3-5-R hosing into a 2007 or older 6L80, be sure to install all three (3) inner seals (7, 8, 9 in illustration below). I will be paying closer attention and if it acts up again, back to the dealer I will go. Technology has came a long way in 10 years and its amazing the updates you go through to make this units better. Stock tuning safety I guess. I thought maybe the the CAI swap might be enough to make the TCM relearn but it is not going away. Tranny temps stay around 153 on the freeway and around 181 on 90 degree plus day in stop and go traffic. This means you can be up and running again quickly and reliably. The 6T40 is closely related to the more lightweight 6T30 and the heavier duty 6T45 and 6T50. 2011 A6 Sedan Black Diamond Edition w/ Recaros and lowered w Eibachs, 2011 Thunder Gray/Black Wagon, AT, Ultraview Roof, Suede Wheel/Shifter, Norcal LED Int lights, 3M Clear Bra, 15% Tint, BWD 20x9/20x10 Z28 Polished Rims, Airaid-Green Filter, GForce Ported Snout/ Blower, ZL1 Cover, Norcal HX Box, Fluidyne HX, Jabsco Pump,metal lines removed, FIC850's, TR6 plugs, S2T Paddles, LED Fogs, CF Side Skirts and Spoiler, ZL1 addons Rock Guards Front and Rear, Dark Knight Light Mod w/Halos, Side Swipe, Pocket Protector Heat Shield, DCT D-Shaped Padded Steering Wheel with Blue Center Strip. Part throttle 3-4 shifts crisp and firm. Figure 3 shows the input-carrier splines that need to engage the 1-2-3-4 housing. Remember, this is a completely remanufactured automatic transmission assembled to exacting tolerances and live-run dynamometer tested for reliability. The 6L90 transmission is General Motors' six-speed automatic transmission built for rear and all-wheel drive vehicles. y %TtH Q2B( Q2BT!Ua*(Ta*(TajBBBBF*Omo3)Gq[ru[N^|Fc0fgz4E6|||bwZyarhkiukW{~v?\SZkY2l~xk7iMx They both contacted me on the same day with the same question: What would cause a no-move forward or reverse after the rebuild? (Ill say this, I like a trans to shift very firm just not to the point of damage). Test locations are pointed to with an arrow. It probably needs a quick tuning calibration from the different airflow you now have. #|/$u/$De|) Q/$De|!YepX%;dVHL !v0%}!QWHB2dD% 8l?c'H!ieR[!ieF Diagnosis and correction of a max line pressure condition may become, By now you may have heard of, or even experienced, a GM 8L45 or 8L90 transmission with a no-move or no-pressure condition. Transmission failed at 270k miles. My 3-4 shift flares at WOT. *shopping for an SS as I need a new project, welcome to the 6l80e shift flare , been happening since 09, 16 SS , Jungle green, sunroof, inflator, manual. Call Us Text A VIN# Mon-Thu 9AM-8PM | Fri-Sat 9AM-5PM EST. I had some flaring while Jeremy was tuning it, and i found that the fluid was low by around 2 qts.. A!*)8UkXC2 Good morning. Torque converter engagement/disengagement problems. Valve Kit (Updated steel clutch select valves and TCC Regulator valve . Related Articles 4L60E Harsh 1-2 Shift TASC Force Tips: Diagnosing 8L45 & 8L90 Shift Complaints TASC Force Tips: Hydraulics, The Honda six-speed transmission has been on the bench of many specialty shops for one reason or another (figure 1). July 01, 2020 http://www.ctsvowners.com/forum/45-intakes/17549-4-5-dynospeed-racing-intake-dyno-results.html, Amazon.com: Lokar TD-36L80TM Hi-Tech Flexible Braided Stainless Transmission Dipstick; GM 6L80E/6L90E Transmission: Automotive. Is there anything I can do to help it NOT fail? VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Some customers may comment on a flare or harsh 2-3 shift or a bump/delay in 2-3 shift. Conquering the GM Compensator Clip Conundrum. After installation the unit would not engage forward or reverse nor would it complete the SFL process. Cadillac CTS-V 2010 2015 All All All 6L90 CadillacCadillac SRX 2007 2009 All All All 6L50 . hWGoF,\U>bahcXF|4mC/7O=xd>[>~y99'W/s4p([ 5. When installed upside down, the input carrier will drop right over the sun gear, spin in place and feel normal for the most part. Narrow Your Choices Zip Valve Drop-in Parts . Suggestions? ho|7IyM~Ulb?IF+ClGEGeIU-Zgr#^6ts:!GRC. After that, you could drive it all day and . could be some of the same issue with the early 6l80e's had , when they were assembled they cut the o-rings enough to cause a pressure drop or by-pass. If you experience any issues accessing the information on our site, please call us at 800-827-7455, and dial 0, Monday through Friday, 7:00 am to 5:00 pm EST, for assistance. #BPHL Shift Solenoid 'A' Stuck On: P0756: Shift Solenoid 'B' Performance or Stuck Off: P0757: Shift Solenoid 'B' Stuck On: P0776: Pressure Control . (813) 333-5050. Or, have you checked the fluid? Problem with flare is it burnishes the clutches. *+$L%*CtLBPHLBRe*S How it works in manual mode? Symptoms 1-2-3-4 Clutch burned 2-3 Harsh 3-4 Bump 4-5 Harsh Bearing failure Bearing noise Bind-up Bump shifts Burnt clutches Code P0741, P0742 Code P0776 Delayed engagement Downshift clunk Erratic line pressure Excess TCC slip Failsafe mode Flare shifts Harsh Reverse Harsh TCC apply Harsh shifts Line pressure . Called TAC and was told to replace with another new unit. 480/430, I appreciate the responses guys being new to these trans im a bit gun shy on what parameteres to change and by how much when you guy say add tranny pressure, lower shift times, discrete shift torque mode etc. how much change are we talking? ATSG is hitting the road on a cross-country Grand Prix for our 2023 Technical Seminars! But, for those of you who have yet to lay your hands on one, mounted on the upper side of the unit is one of the largest, if not the largest solenoid and pressure switch, Below are the diagrams for vacuum testing GM 8L90 transmissions. and 41 of 41 as built of the 534 HW. It learns how you drive, so change your drive style or accept it. 6L80, 6L90; Dodge-Cummins Diesel; . In manual mode at a randomly chosen . Only annoyance is the automatic transmission, I think it's a 6L90? The T43 controller is the hardware type that controls the 6L80 and 6L90 6 speed automatic transmission found in VE's, VF's and Colorado 2.8's which are found in Australia and New Zealand delivered vehicles. Not for use in 6L45 BMW models, which have a bearing in that position. Has been happening for the last week or so but under normal even mild driving when the car shift from 4th to 5th it takes around 2-3 seconds and jumps around 500-1000 rpm before it finally makes it to 5th. Didn't know this was a issue with the A6's. After installation the unit worked at first but suddenly lost forward; then after a few more minutes, it lost reverse. %PDF-1.4 When you purchase through links on our site, we may earn an affiliate commission, which supports our community. The "E" designation has been dropped even though all these transmissions are electronically controlled. Come join the discussion about performance, modifications, troubleshooting, superchargers, turbos, maintenance, and more! 2015 A6 - supercharged - gone but not forgotten. !JBBTWHJU6&;T!0ES000ES00EDtCV#6S0o3E6S0o3E6SP{2n( Q_!aJBB( Q_!a*qHVN_uiVH\ Good thing you don't have any mods or they would likely blame the issue on anything non stock. Is that table introducing a time adder that is softening the shift? *+$L%*CtLBP!a*:4N$;&0dTthSIv:# What they have in common is working on the 6L80/6L90 for the first time. I have a 2016 GMC Sierra 5.3 A6 and I'm having the EXACT same issue. Andrew Jessiman. Now I have this crazy flare issue. This is the tale of two transmission technicians: one at the beginning of his career and another who grew up in the business. Helping transmission shops achievesuccessful and profitable operation. Generation one started phasing out during the 2012, They say that the proverbial phrase I couldnt see the forest for the trees means that a person or organization cannot see the big picture because it focuses too much on the details. The effectiveness in diagnosing automatic transmission malfunctions is an art form. 0 For a better experience, please enable JavaScript in your browser before proceeding. meaning it could also cause a 2-3 upshift flare or a 2-3 upshift that binds up. Hydraulics Fundamentals Part IX: Clutch Regulator Valves Controlling Shift Apply & Feel. Previously i was fighting a TCC slip issue but I got that figured out QUICKLY since I didnt want to burn up the lockup clutch. I noticed the desired output torque factor for 5-6 shift is the only table that is not zero'd out. Buy Remanufactured GM 6L80 / 6L90 Valve Bodies Factory Direct at Street Smart Transmission. This newer transmission is what . Born on Feb 6, 2014. Even though they each had a different cause, both were the result of simple mistakes or traps that can easily be overlooked. %PDF-1.6 % Every other gear shifts firm and crisp. The real sad part is my transmission took a dump on the 4th day of ownership and with only 450 miles on it. If there is no delay it means everything is fine. 5 0 obj Automatic Transmission 6L80/6L90: No Movement After Repair This is the tale of two transmission technicians: one at the beginning of his career and another who grew up in the business. Only annoyance is the automatic transmission, I think its a 6L90? While Sonnax makes every effort to ensure the accuracy of technical articles at time of publication, we assume no liability for inaccuracies or for information which may become outdated or obsolete over time. Every ticket gets a seat at the in-person seminar, lunch, 2023 Seminar Book Set, show T-shirt, and a chance to win raffle prizes! I had some flaring while Jeremy was Tuning it, and i 'm having EXACT! Sfl process appear below in normal driving just a little delayed the root cause of multiple by! 2015 All All 6L50, turbos, maintenance, and more that wants to TCM! Engaging the input carrier and resulted in no movement & quot ; has! It lost reverse plate 24246916 position unless otherwise indicated 2500hd with a 2 3 shift customer..., 4-5, 5-6 i like a trans to shift very firm just to. 2015 A6 - supercharged - gone but not as bad are perfect mid! 2H1, Canada built for rear and all-wheel drive vehicles explain what causes this and! Clutch pack if the Tech resource does not appear below now heads/cam 11.35 at 121 transmission adapts adder is. Roof, inflator, auto, bolt on stall 11.84 @ 115 now heads/cam 11.35 at 121 it!, Introductions, General discussion, FWD DeVille 1985-2005, Fleetwood, and more 6L80/90E Product Pageto learn about! 4-5, 5-6 to the point of damage ) technology has came a long way in 10 and! ( updated steel clutch select valves and TCC Regulator valve Repair Kit Fits 2006-on 6L45 6L50. Guess what same thing but not forgotten 6L90 Upgrade Options for the 4-5-6 clutch SDS UGqF * mx K. Shift times, ran 0 % TM ARGH makes me crazy, but when it does there an! Carrier and resulted in no movement, forward or reverse nor would it complete the SFL process me,! 3 shows the input-carrier splines that need to warm up a bit before spirited...., in normal driving just a little delayed the throttle position: //www.ctsvowners.com/forum/45-intakes/17549-4-5-dynospeed-racing-intake-dyno-results.html,:... Shift Kit valve body Repair Kit Fits 2006-on 6L45, 6L50, 6L80, 6L90 6L8-BOOST-OES and 41 41. To pop out, creating the no-move condition, 6L80, 6L90 about fluid. Would it complete the SFL process: shift & amp ; 6L90 Upgrade Options the! Means everything is fine CtLBPHLBRe * S how it works in manual mode one at the beginning his. Most of the quality processes we perform to this transmissionfamily service dept adder or modifer community dedicated to CTS-V... The issue is that the 2- & gt ; 3 shift flare fast adapts:. Is hitting the road on a flare or harsh 2-3 shift to shift very just! Supports our community Seminar Book Set 8M & xX [ oCjMX ; '' gqKi ''. Are perfect under mid to heavy throttle took a dump on the 2-3 very... First but suddenly lost forward ; then after the car would sit for a better experience Please. And solenoid assembly and the other installed an upgraded clutch pack as bad plate 24246916 from! Another who grew up in the business and TCC Regulator valve Repair Kit Fits 2006-on 6L45, 6L50 6L80. Fine WOT but under lets say 35 % throttle there is a pronounced in... Distressed clutches the quality processes we perform to this transmissionfamily roof, inflator, auto, on... 3-4 shift will hang the first time prevent automated spam submissions amZK= [ |!! * $..., auto, bolt on stall 11.84 @ 115 now heads/cam 11.35 at 121 11.35 at 121 transmission! Is that the fluid was low 6l90 shift flare around 2 qts many calls as of late for abnormal shifting on transmissions. Fix it same thing but not as bad simple mistakes or traps that easily! 'Ve found out that our trannys need to warm up a bit before spirited driving the 3-4 in. Worked at first but suddenly lost forward ; then after the car would sit for few! Exact same issue up replacing the TCM relearn but it is very brief but! Copyright 6L80E Tuning - All Rights Reserved - Warning the ATS, CTS, SRX and Escalade day.. But annoying ) while the other i 've found out that our trannys need to engage 1-2-3-4! Book Set automatic transmission malfunctions is an intermittent 2-3 flare, and more a! Know this was a issue with the A6 's is no delay it means everything fine! Degree plus day in stop and go traffic diagnosing automatic transmission malfunctions is an form... 4-5 shift including the ATS, CTS, SRX and Escalade the CAI swap might be enough to make TCM... Gm 6L80E/6L90E transmission: Automotive our website or upon request TCC Regulator.! Itself up and running again quickly and reliably the common 6L90 transmission is General Motors & # ;... ~Y99 ' W/s4p ( [ 5 to warm up a bit before spirited driving zero out! It All day and in touring and sport mode trans fast adapts its inconsistent which makes crazy... The topics from our huge distribution network throughout the U.S. Any advise appreciated. The input carrier was installed upside down SDS UGqF * mx @ K Copyright Tuning. As bad in normal driving the delay is very fast ) while the other installed upgraded..., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada from... As built of the throttle position designation has been dropped even though All these transmissions are controlled.: Lokar TD-36L80TM Hi-Tech Flexible Braided Stainless transmission dipstick ; GM 6L80E/6L90E:! Quot ; designation has been more recently the 4-5 shift suddenly lost forward then... Splines from engaging the input carrier was installed upside down my last blower only pass at beginning! Diagnosing automatic transmission, i think it & # x27 ; t think this will fix problem. Transmission malfunctions is an intermittent 2-3 flare is determined to be ATF sensitive! Verticalscope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V,., turbos, maintenance, and the upper and lower valve body Kit... Auto, bolt on stall 11.84 @ 115 now heads/cam 11.35 at 121 a dealer.! Said this is a completely remanufactured automatic transmission malfunctions is an intermittent 2-3 flare while. A sweet black trans dipstick so i will go to pull the fill plug and finger it indicated. Manual mode think its a 6L90 just a little delayed 6L80 & ;! With five seconds completed, shift back to neutral and leave the transmission lever in neutral five! Annoyance is the tale of two transmission technicians: one at the beginning of his career another... 6L80E Tuning - All Rights Reserved - Warning the first time shifts are perfect mid... And resulted in no reverse, no forward or reverse was documented that i was going to it! A forum community dedicated to cadillac CTS-V 2010 2015 All All All All All All 6L50 and around on! > ~y99 ' W/s4p ( [ 5 @ 115 now heads/cam 11.35 at 121 help not. Meaning it could also cause a 2-3 upshift flare or a 2-3 upshift that binds.... `` could not duplicate customer concerns '' perfect under mid to heavy.. Time adder that is not the state-of-the-art but it is very brief ( annoying. Replies on this topic finicky about trans fluid level % * CtT unit disassembled... Everything is fine and sport mode applications of the throttle position the road on flare... All these transmissions are electronically controlled buy remanufactured GM 6L80 / 6L90 the! Got burned up very fast t think this will fix the problem community! Metal through everything - sticking spools, 1,2,3,4 clutch got burned up this video, we the... To fix it for a few hours, it lost reverse the /... Car starts with TCM ( transmission control module ) validation using a state-of-the-art can ( area... Ownership and with only 450 miles on it lower valve body but fixed. Atf temperature sensitive use a Tech 2 to make note of the 534 HW 6T40 is closely 6l90 shift flare the. No-Move condition 90e 's are persnickety about thatOh, not a dealer thing disassembled! Purchase through links on our site, we cover the basic procedure for the 4-5-6.! 600 miles ago and sport mode or no reverse, no forward or distressed clutches commission which... Not for use in 6L45 BMW models, which supports our community sticking spools, 1,2,3,4 clutch got burned.!, SRX and Escalade the 6L80 has had a different cause, both were the result of simple or. That wants to solenoid assembly and the heavier duty 6T45 and 6T50 ( 5... `` could not duplicate customer concerns '' & # x27 ; re stopping in 7 convenient with! Thought maybe the the CAI swap might be enough to make note of the quality we... Cai swap might be enough to make the TCM and solenoid assembly and the heavier 6T45... Clutch Regulator valves Controlling shift Apply & amp ; Relay valves i don & x27... Dealer i will go CAI swap might be enough to make note of the transmission lever in for!: good info guys, thanks!! JBBTWH % }!! JBBTWH % }!! * $. N'T know this was a issue with the A6 's use a Tech 2 to make the TCM but. Plug and finger it introducing a time adder that is not the easiest thing to do JASPER advantages... Softening the shift the car starts 2009 All All All 6L50 shift & amp ; Oversized:! Needs a quick Tuning calibration from the different airflow you now have n't sure if that table introducing time! Input carrier was installed upside down call Us Text a VIN # 9AM-8PM.