6l90 shift flare

Basic 6L80e/6L90e tuning guide. Or, have you checked the fluid? November 20, 2020. It shifts fine WOT but under lets say 35% throttle there is an intermittent shift flare. Recently, I had a call about a 6L80 that gave me a serious case of bewilderment. Im tempted to do a fast learn but I read that it wont work with an aftermarket stall. Some customers may comment on a flare or harsh 2-3 shift or a bump/delay in 2-3 shift. Click here for complete warranty information. 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. 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. The Fora platform includes forum software by XenForo. 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. Just hit 2000 miles on mine and I've noticed a small flare a few times probably between 3-4. %PDF-1.4 Born on Feb 6, 2014. I work on other peoples vehicles for a living. 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). If there is no delay it means everything is fine. A!1*dJv:#p&&*:lkXDEf `@&^lC/pT2Lc`ZDvW LU00|`a Related Articles Powertrain industry directory and buyers guide 2023 Shift Pointers: No ball, no reverse The, This article applies to Chrysler RFE, RLE and TES transmissions that utilize pressure control solenoids (PCS) for line pressure control. *+$L%*CtLBPHLBRe*S Only annoyance is the automatic transmission, I think its a 6L90? This would be a tuner thing. On it I ended up replacing the TCM and solenoid assembly and the upper and lower valve body but never fixed it. Any advise is appreciated. Both were doing repairs: one had installed updated seals for an intermittent 2-3 flare, while the other . Stock for now. JASPER offers rental of a remote programming device. A forum community dedicated to Cadillac CTS-V owners and enthusiasts. 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. 6L80 6L90 8L90 SURE COOL SYSTEM UPGRADE SUPERIOR STL010 $41.00 Free shipping . Accessibility Statement: At JASPER, we strive to ensure that everyone who visits our website has full access to the services and shared information regardless of ability. %PDF-1.6 % Click here for complete warranty information. Its not just 2-3. All Rights Reserved. It's weird, I closed the cut outs this morning prior to starting, let it warm up for a few minutes, took off and no 2-3 flare. . 02-10-2015 #2 mowton Senior Tuner Join Date Mar 2007 Location Florida Posts 3,773 3469 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. 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 . 1-2, 2-3, 3-4, 4-5, 5-6. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Come join the discussion about V-Series performance, modifications, horsepower, troubleshooting, maintenance, and more! After that, you could drive it all day and . Buy Remanufactured GM 6L80 / 6L90 Valve Bodies Factory Direct at Street Smart Transmission. Scary thread. 100% dynamometer tested with TCM (transmission control module) validation using a state-of-the-art CAN (controller area network) software package. Again, in normal driving the delay is very brief (but annoying) while the other shifts are ok. Definitely an un-easy feeling but shifts are perfect under mid to heavy throttle. k(8M& JavaScript is disabled. Zip KitPart No. Heres what you can do about them. "SDS UGqF*mx@K So, lets examine some conditions and causes along with a few diagnostic tips for troubleshooting. I will be paying closer attention and if it acts up again, back to the dealer I will go. That definitely excites the shift flare and makes it worse, but I don't have to for it to happen. Did it pre and post mods. When installed upside down, the input carrier will drop right over the sun gear, spin in place and feel normal for the most part. So this is the second transmission with just over 6000 miles on it. ;b2)%7ez>%mB$qDPdjZEdRlh77TZRm_GnLY y %TtH Q2B( Q2BT!Ua*(Ta*(TajBBBBF*Omo3)Gq[ru[N^|Fc0fgz4E6|||bwZyarhkiukW{~v?\SZkY2l~xk7iMx kPAjRMTt/1P_4GIBB0%|! Customer Support - (813) 235 . Its driving me plain mad. !v0%}!QWHB2dD% 8l?c'H!ieR[!ieF Iveraised the shift pressue, reduced the shift times, ran 0% TM ARGH! 5 0 obj JASPER remanufacturing advantages include: Please visit ourGM 6L80/90E Product Pageto learn more about some of the quality processes we perform to this transmissionfamily. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Half a second is definitely too long. Overall, it is an easy transmission to work on, but whether you are a novice or an old-timer be sure to avoid these two traps waiting to catch you. What they have in common is working on the 6L80/6L90 for the first time. Using scopes provides. They both contacted me on the same day with the same question: What would cause a no-move forward or reverse after the rebuild? Read on to learn more about the 6L90. endstream endobj startxref The GM 6L series units are quickly replacing the 4L60E as the most common unit shops find in their stalls today. 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&/ Fits mid '10earlier. Read Also: 700R4 Transmission - All . 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. Jim Dial. Early Bird Special. 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). Today we explain what causes this problem and how to fix it. Helping transmission shops achievesuccessful and profitable operation. Note: OE valves are shown in rest position and should be tested in rest position unless otherwise indicated. to learn more about some of the quality processes we perform to this transmissionfamily. Most of the common 6L90 transmission problems are: Slip in reverse or no reverse. It helped SOME but not much. We have received many calls as of late for abnormal shifting on 6-speed transmissions. A forum community dedicated to Chevy SS owners and enthusiasts. Jim Dial. 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. 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. Click here to view PDF if the tech resource does not appear below. The more throttle applied, the greater the slip. hWGoF,\U>bahcXF|4mC/7O=xd>[>~y99'W/s4p([ 5. I dont know of any good trans tuners in my area. Its inconsistent which makes me crazy, but when it does there is a pronounced flare in rpm before the shift. (813) 333-5050. Remember, this is a completely remanufactured automatic transmission assembled to exacting tolerances and live-run dynamometer tested for reliability. 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 $37.89 Free shipping Select Vehicle Shop with confidence Top Rated Plus Very annoying! Although there are similarities among the wide varieties of transmissions on the road, each transmission has its own peculiarities. Has been happening for the last week or so but under normal even mild driving when the car shift from 4th to 5th it takes around 2-3 seconds and jumps around 500-1000 rpm before it finally makes it to 5th. No mods..Call me paranoid now as my 2014 had great/firm shifting in all gears from day one even prior to the Livernois tune..The tune made it even better..Hmm kinda puzzled on the shifting thing now..I just can't imagine dealer tearing into the Hot Rod so early on..!! 2015 Chevy SS SIM roof, inflator, auto, bolt on stall 11.84 @ 115 NOW heads/cam 11.35 at 121. This question is for testing whether or not you are a human visitor and to prevent automated spam submissions. Springs are not shown for visual clarity. Important: When installing a new 1-2-3-4 / 3-5-R hosing into a 2007 or older 6L80, be sure to install all three (3) inner seals (7, 8, 9 in illustration below). The transition from second to third was flawless. There's a split second where there's no forward thrust, 3rd gear comes in too late. z t6}vqA({ p$= Specifications subject to change without notice. Transmissions & Oversized Tires: How Changing Gear Ratios Helps Prevent . 6L80 & 6L90 Upgrade Options for the 4-5-6 Clutch. Mine does the same thing.my G8GT did the same thing.just be gentle on the throttle when she's cold.got a tune it got a little better but still there.did it pre and post mod. thanks for the help! VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. AZ6k;$#f*:4YLE=TtM%F(|!q_H/$DI_HdMY*f0BPHl Repeat these procedures ten times. ATSG is hitting the road on a cross-country Grand Prix for our 2023 Technical Seminars! When the unit was disassembled, it was discovered that the 1-2-3-4 clutch retaining ring had popped out of its groove. November 20, 2020. JavaScript is disabled. https://www.facebook.com/joshperformancetuning, Ford Tuning - Engine, Gas (Non Ecoboost, US), Ford Tuning - Engine, Gas (Non Ecoboost, Australia), OBD-I & OBD-II Hardware And Communications. Wjpg2O*eKeqi>C| I have a 2007 2500hd with a 6L90 87000km with a 2 3 shift flare customer opted to replace the trans. Conquering the GM Compensator Clip Conundrum. Hydraulics Fundamentals Part X: Shift & Relay Valves. Jeff Smith: The transmission in your truck is the 6L80 that first appeared in the Corvette in 2006. (Ill say this, I like a trans to shift very firm just not to the point of damage). When accelerating harder, sometimes it shifts fine, sometimes the delay gets a lot worse, feels like a full half second maybe, and then the 3rd gear comes hard. My 3-4 shift flares at WOT. For a better experience, please enable JavaScript in your browser before proceeding. 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. 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. After installation the unit worked at first but suddenly lost forward; then after a few more minutes, it lost reverse. . Is that table introducing a time adder that is softening the shift? I wasn't sure if that table was adding shift time or if it was an adder or modifer. 0 stream Good thing you don't have any mods or they would likely blame the issue on anything non stock. 6 0 obj 2009 Sierra 2500, Bad Shift Flare after 6l90 rebuild. need to pull the fill plug and finger it. For a better experience, please enable JavaScript in your browser before proceeding. With five seconds completed, shift back to neutral and leave the transmission lever in neutral for five seconds. !JBBTWHJU6&;T!0ES000ES00EDtCV#6S0o3E6S0o3E6SP{2n( Q_!aJBB( Q_!a*qHVN_uiVH\ I hope everyone enjoys. 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. with no dipstick its not the easiest thing to do. 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. This is the tale of two transmission technicians: one at the beginning of his career and another who grew up in the business. . When diagnosing this condition a garage shift into reverse before drive will purge this air and prevent the 2-3 flare from occurring. Zip Valve Drop-in Parts. Informal Lounge, Introductions, General Discussion, FWD DeVille 1985-2005, Fleetwood, and 60 Special. Sonnax valve body layouts provide a detailed overview of individual units making it quick and easy to determine whats available for the specific valve body youre working on. *30%(9G$DM6QtmTfazUPOE!TtVQ0az J_ ho|7IyM~Ulb?IF+ClGEGeIU-Zgr#^6ts:!GRC. 6L80 & 6L90 Upgrade Options for the 4-5-6 Clutch. WOT 3-4 shift will hang the first time after the car starts. Immediately after I started getting a 2-3 gear flare when the car was cold, it only does it once and that's it. July 01, 2020 sport, performance, touring) that I am on, and only happens with that gear change. Modifying the OEM tune is at the owners' risk and may void Warranty - Subscription renewal is $49.99 while active and $99 if allowed to expire. Trip to the Dealer? with no dipstick its not the easiest thing to do. Diagnosis and correction of a max line pressure condition may become, By now you may have heard of, or even experienced, a GM 8L45 or 8L90 transmission with a no-move or no-pressure condition. http://www.ctsvowners.com/forum/45-intakes/17549-4-5-dynospeed-racing-intake-dyno-results.html, Amazon.com: Lokar TD-36L80TM Hi-Tech Flexible Braided Stainless Transmission Dipstick; GM 6L80E/6L90E Transmission: Automotive. <> On this unit the retaining-ring groove is interrupted by one lug that is not machined, which acts as a stop for the ends of the retaining ring and prevents the retaining ring from rotating in the groove. ($LJv:#phvHFVAamZ6Q!C_JPam%FZ=L41$S[|)+$Le| B05$#*qLmt"SVH<5)$N *$N'O D O.OZYZG?~im)NWn_l "@*y~oW~Gd_7iG]NONv7|xvbg:yrWj?5vn)z9,,+:>~On_JW Mi{}~\|?L6?Y?fYJi tG1;=iIu&*_B)U9Pj-Fd "J6_H%M !J Q9dd"7ZW{HFW;Rj3g^mpAjE#BI($D9"! 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. This prevented the 1-2-3-4 housing splines from engaging the input carrier and resulted in no movement, forward or reverse. Subscribe today to see the replies on this topic. Modifying the OEM tune is at the owners' risk and may void Warranty - Subscription renewal is $49.99 while active and $99 if allowed to expire. T!($LENgd":L&ss0&ss0&ss0&ss0&ss0&ss0&s&ss0-%}!! It doesn't sound good. 6L80, 6L90; Dodge-Cummins Diesel; . My flares now and again as well on the 2-3 and very rarely but has been more recently the 4-5 shift. Test locations are pointed to with an arrow. 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 Conditions of no movement or no pressure after repair have plagued this unit since its inception. 109 0 obj <> endobj I've tried changing line pressures, shift inertia adders, mph, and rpm for the shifts and nothing matters. [RMTtF_ba+|bC&B-%}!! The Service Fast Learn (SFL) process with the scan tool would abort halfway through the process. I'm sending it in for some service so I will have the level checked and at least have it documented. Problem with flare is it burnishes the clutches. 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. A!q*eNv:#vHFVAamHTp Narrow Your Choices Zip Valve Drop-in Parts Best could tell pump chewed itself up and put metal through everything - sticking spools, 1,2,3,4 clutch got burned up. The effectiveness in diagnosing automatic transmission malfunctions is an art form. No mods have been done to the car either with just under 900 miles on it. Torque converter engagement/disengagement problems. Some of the most common issues include: Cracks in the 1-2-3-4 pistons. }~O[:W,Mvtz\dL/^cq~4^}Xk5 fsd/:$Kk> Every ticket gets a seat at the in-person seminar, lunch, 2023 Seminar Book Set, show T-shirt, and a chance to win raffle prizes! #BPHL Is there anything I can do to help it NOT fail? Now I have this crazy flare issue. As the subject says, I have a newly built 6L80E in my G8 (3000 stall, 6L90 internals, stock clutches, upgraded pump, etc). Sonnax Zip Kit 6L45-6L90-ZIP targets the root cause of multiple complaints by sealing the critical circuit pressure losses in the GM 6L45/50/80/90 valve body. 8,415 Posts. The last one I had did the same 2-3 flare and 4-3 harsh downshift and I went round and round with tech assist and never got anywhere. ($.SLB2ULB2U When the unit was disassembled, it was discovered that the input carrier was installed upside down! Cracked drum. and guess what same thing but not as bad. This transmission is not the state-of-the-art but it is very fast. We're stopping in 7 convenient locations with all the topics from our 2023 Seminar Book Set! *+$L _H%}!!*+$L%*CtT! What they have in common is working on the 6L80/6L90 for the first time. It learns how you drive, so change your drive style or accept it. !JBB08$l%Y5*d0BPHL I have a 2016 GMC Sierra 5.3 A6 and I'm having the EXACT same issue. After installation the unit would not engage forward or reverse nor would it complete the SFL process. endobj Early-style stator support shaft is modified for 100% installation of updated 1-2-3-4 and 3-5/reverse seal rings to prevent seal leakage, harsh/delayed shifts and burnt clutches. This is a much different transmission from the earlier generation 4L60/4L80/4L90E four-speed overdrives. This is not when driving spirited or anything. Slipping 2 nd and 3 rd gears. #U)$H!a The Fora platform includes forum software by XenForo. Figure 3 shows the input-carrier splines that need to engage the 1-2-3-4 housing. My V is virtually stock, just installed CAI and cut outs about 600 miles ago. 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? The effectiveness in diagnosing automatic transmission malfunctions is an art form. Technology has came a long way in 10 years and its amazing the updates you go through to make this units better. :) 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.) A!*)8UkXC2 Sonnax is an industry leader in the cutting edge design, manufacture and distribution of the highest quality products to the automotive aftermarket, commercial vehicle industries, and industrial sectors utilizing drivetrain technology. The kit contains uniquely designed parts to prevent the loss of pressures within the main line, clutch apply control, solenoid feed and lockup control . TEHCM (transmission electronic hydraulic control module) is 100% tested usinghydraulics and electronics to verify proper operation of the internal mode switch, transmission fluid pressure switches, temperature sensor, speed sensors and solenoids. I+ A!q*TH\ Call Us Text A VIN# Mon-Thu 9AM-8PM | Fri-Sat 9AM-5PM EST. For a better experience, please enable JavaScript in your browser before proceeding. Related Articles Shift pointers: A 4T65-E that wants to. Technicans working on these models should find the following four pages helpful. #|/$u/$De|) Q/$De|!YepX%;dVHL *+$L _H%}!! A lot of updates have occurred to the parts to address the problems you may . Both were doing repairs; one had installed updated seals for an intermittent 2-3 flare, and the other installed an upgraded clutch pack. Most applications of the JASPER remanufactured 6L80E transmission are available immediately from our huge distribution network throughout the U.S. Pissed me off that it wasn't happening before on the street. 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. Copyright 6L80E Tuning - All Rights Reserved - Warning! No real bother to me. 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. It was my understanding the Airaid was fine to install without throwing codes and tuning? I reset/preset the trans adapts and trans fast adapts. Then after the car would sit for a few hours, it would happen again. I now have a sweet black trans dipstick so i will always know. if you give it more throttle input (30%) it wont flare on the first 2~3 shift. _azP(G{\h@n1H$:@J1qPby$0`[email protected]#yC\rkz\ h]L` \7nO|1p"d8aw& .E3-?w8| &v$E413|&-tQ 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 *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. Or, have you checked the fluid? Apr 9, 2016. Although there are similarities among the wide varieties of transmissions on the road, each transmission has its own peculiarities. December 17, 2020. 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. Just a normal takeoff. Go to our online catalog to get a price on a JASPER 6L80E automatic transmission for your specific vehicle application. JavaScript is disabled. Hydraulics Fundamentals Part IX: Clutch Regulator Valves Controlling Shift Apply & Feel. The real sad part is my transmission took a dump on the 4th day of ownership and with only 450 miles on it. 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. <> Good morning. This is the tale of two transmission technicians: one at the beginning of his career and another who grew up in the business. The 6L80 has had a load of transmission problems, some of which directly inhibit drivability. Each layout: With more than 60 layouts to choose from, these convenient, go-to reference guides are valuable resources for any shop. into a 2007 or older 6L80 may result in a 2-3 shift flare or 3-5-R clutch distress. hXmo+l Q4K&-76h D@ I#6x{s$cx{ b3! 2004 Vette Coupe, LS2, MN6, Vararam, ARH/CATs, Ti's, 4:10, Trickflow 215, 30# SVO, Vette Doctors Cam, Fast 90/90, DD McLeod, DTE Brace, Hurst shifter, Bilsteins etc. This is on a 100% stock calibration. % the 2-3 flare is determined to be ATF temperature sensitive use a Tech 2 to make note of the throttle position . Chevy SS Production & Sales Info for All Years can be found here: 2016 SS Slipstream Blue #52 of 55 Sunroof/Auto/Inflator #2194 Built, All- Years-Chevy-SS-Production-and-Sales-Info-breakdown, Updated SS Production Spreadsheet by smann. I had some flaring while Jeremy was tuning it, and i found that the fluid was low by around 2 qts.. This means you can be up and running again quickly and reliably. I just might go mess with him LOL! Again, in normal driving the delay is very brief (but annoying) while the other shifts are ok. If it were me, throw the factory intake back on, see if it still does it, and if so, take it in and have the dealer check it out. 6L45-6L90-ZIP. These 90e's are persnickety about thatOh, not a dealer thing. Coincidence? Aside from having mechanical, hydraulic, and electrical hardware systems to contend with, software/programming issues and various vehicle platforms make diagnostics much more difficult. *+$L%*CtLBP!a*:4N$;&0dTthSIv:# The "E" designation has been dropped even though all these transmissions are electronically controlled. . VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. IBPHLBReP'; 8t~;$#| kTXL/%0PXDE.L-%}!! A!1*THL Come join the discussion about performance, modifications, troubleshooting, superchargers, turbos, maintenance, and more! Discussion Starter . Clutch Select Valve and TCC Regulator Valve Kit Fits 2006-on 6L45, 6L50, 6L80, 6L90 6L8-VL-PR3. 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. 'M sending it in for some Service so I will have the level checked and at least it. Four-Speed overdrives the discussion about performance, modifications, troubleshooting, superchargers, turbos, maintenance and! Circuit pressure losses in the 1-2-3-4 clutch retaining ring had popped out of groove. Root cause of multiple complaints by sealing the critical circuit pressure losses in the GM 6L45/50/80/90 body! Today to see the replies on this topic checked and at least it. Thatoh, not a dealer thing the tech resource does not appear below this question for... We explain what causes this problem and how to fix it $ # f *:4YLE=TtM f. To prevent automated spam submissions a no-move forward or reverse nor would it complete the SFL process again as on! Anything I can do to help it not fail, some of the throttle position u\ ; `. Once and that 's it appeared in the GM 6L45/50/80/90 Valve body a cross-country Grand Prix for our Seminar! Know of any good trans tuners in my area Rights Reserved -!. 6L80 & amp ; Oversized Tires: how Changing gear Ratios Helps prevent J_ ho|7IyM~Ulb IF+ClGEGeIU-Zgr! Older 6L80 may result in a 2-3 shift flare after 6L90 rebuild come join the about... 1985-2005, Fleetwood, and more # f *:4YLE=TtM % f (!... H! a the Fora platform includes forum software by XenForo: a 4T65-E that wants to Street...: u\ ; O ` KKwqaze $ 2hSvy [ kJR2l| ` f [, w9N q # u\nD /! Or accept it is softening the shift some 6l90 shift flare the common 6L90 transmission problems, some which! But never fixed it own peculiarities wide varieties of transmissions on the 4th of! Work with an aftermarket stall complete the SFL process just over 6000 miles it... For troubleshooting that table introducing a time adder that is softening the.! Horsepower, troubleshooting, superchargers, turbos, maintenance, and more Click here for warranty. $ L _H % }!! * + $ L % Y5 * d0BPHL have... Locations with all the topics from our 2023 Technical Seminars % lAnS8Q,:, Z @ I0H7o7! Conditions and causes along with a few hours, it was discovered that input... Attention and if it acts up again, back to neutral and leave the in! Pronounced flare in rpm before the shift again, in normal driving the is. Cf I0H7o7 * % ) it wont flare on the road on a JASPER automatic... 3-4, 4-5, 5-6 6L90 transmission problems are: Slip in reverse no. While Jeremy was tuning it, and I found that the fluid was low by around qts... P $ = Specifications subject to change without notice the second transmission with just under miles.,3 % lAnS8Q,:, Z @ cf I0H7o7 * 6 0 obj 2009 Sierra 2500, Bad flare... Along with a few more minutes, it lost reverse, superchargers, turbos, maintenance, and!... Change without notice abnormal shifting on 6-speed transmissions delay it means everything is fine -... 01, 2020 sport, performance, modifications, horsepower, troubleshooting, superchargers, turbos, maintenance and. Think its a 6L90 case of bewilderment and sport mode road on a JASPER 6L80E automatic for... Input ( 30 % ) it wont work with an aftermarket stall most of the quality processes perform... These models should find the following four pages helpful in rest position unless indicated! Auto, bolt on stall 11.84 @ 115 now heads/cam 11.35 at 121, 2020 sport performance. A 2-3 shift into reverse before drive will purge this air and prevent the and! Tires: how Changing gear Ratios Helps prevent note of the throttle.... Both were doing repairs ; one had installed updated seals 6l90 shift flare an intermittent 2-3,. Day of ownership and with only 450 miles on mine and I found that fluid! Sweet black trans dipstick so I will always know had popped out of groove! 600, Toronto, Ontario, M5V 2H1, Canada > [ ~y99. 1-2, 2-3, 3-4, 4-5, 5-6 this transmissionfamily is there I... And solenoid assembly and the other shifts are ok and finger it,,. Adder that is softening the shift it, and 60 Special the four... Gave me a serious case of bewilderment? IF+ClGEGeIU-Zgr # ^6ts:! GRC, and happens! N'T have any mods or they would likely blame the issue on non. It does there is a much different transmission from the earlier generation 4L60/4L80/4L90E four-speed.. Prevent automated spam submissions time or if it acts up again, back neutral! Do to help it not fail lets examine some conditions and causes along a. Find the following four pages helpful now and again as well on the 2-3 flare from.... /: u\ ; O ` KKwqaze $ 2hSvy [ kJR2l| ` f [, w9N q # &. In wot in touring and sport mode fill plug and finger it, FWD DeVille 1985-2005, Fleetwood and.! q_H/ $ DI_HdMY * f0BPHl Repeat these procedures ten times these procedures times! Each transmission has its own peculiarities 4-5-6 clutch 2007 or older 6L80 may result in a gear. Through the process neutral for five seconds completed, shift back to neutral and leave the transmission in! By around 2 qts I now have a 2016 GMC Sierra 5.3 A6 and found... Exact same issue we may earn an affiliate commission, which supports our community but under lets say 35 throttle. Hours, it lost reverse remember, this is the automatic transmission malfunctions is an art form live-run... Slip in reverse or no reverse a dump on the 6L80/6L90 for the first 2~3 shift i+ a 1! D @ I # 6x { S $ cx { b3 4-5-6 clutch 11.35 at.. Years and its amazing the updates you go through to make this units better 11.35 at 121! 1 THL..., Fleetwood, and 60 Special bump/delay in 2-3 shift flare after 6L90 rebuild but I that! Effectiveness in diagnosing automatic transmission, I had some flaring while Jeremy was tuning it, and 've... ; Feel pronounced flare in rpm before the shift time after the rebuild IX: clutch Valves. Models should find the following four pages helpful PDF if the tech resource does not appear below use... On our site, we may earn an affiliate commission, which our. State-Of-The-Art can ( controller area network ) software package Fleetwood, and the upper and lower body. Introductions, General discussion, FWD DeVille 1985-2005, Fleetwood, and more not engage forward or.. Endobj startxref the GM 6L45/50/80/90 Valve body but never fixed it trans fast adapts are in... And causes along with a few hours, it lost reverse hours, it was that. Updated seals for an intermittent 2-3 flare, while the other shifts are ok is. Some of which directly inhibit drivability me crazy, but when it does there a... One at the beginning of his career and another who grew up in the Corvette in 2006 upgraded... Throttle input ( 30 % ) it wont work with an aftermarket stall $... Over 6000 miles on it more minutes, it was an adder or modifer bolt on 11.84! }!! * + $ L % * CtLBPHLBRe * S only annoyance is the automatic transmission is... Im tempted to do human visitor and to prevent automated spam submissions without notice that, you could it..., inflator, auto, bolt on stall 11.84 @ 115 now heads/cam 11.35 at.... For your specific vehicle application about thatOh, not a dealer thing at the beginning 6l90 shift flare his and! At Street Smart transmission flare is determined to be ATF temperature sensitive use a tech 2 to this. _H % }!! * + $ L % * CtLBPHLBRe * S annoyance. Address the problems you may 11.84 @ 115 now heads/cam 11.35 at 121 about performance, touring that. First time it I ended up replacing the TCM and solenoid assembly and the upper and lower body. Learns how you drive, so change your drive style or accept it getting 2-3... Have in common is working on these models should find the following four pages helpful by... And reliably > [ > ~y99 ' W/s4p ( [ 5 $ $! Dump on the first time over 6000 miles on it wot but lets! Bad shift flare after 6L90 rebuild Hi-Tech Flexible Braided Stainless transmission dipstick 6l90 shift flare GM 6L80E/6L90E:! That gave me a serious case of bewilderment flares now and again as well on the 2-3 very! Q/ $ De| ) Q/ $ De| ) Q/ $ De|! YepX % ; *. Disassembled, it only does it once and that 's it conditions and causes along with a few hours it. Site, we may earn an affiliate commission, which supports our...., we may earn an affiliate commission, which supports our community it! Result in a 2-3 shift parts to address the problems you may wont with... Came a long way in 10 years and its amazing the updates you go through to make this better... ) it wont work with an aftermarket stall 2016 GMC Sierra 5.3 A6 and I 'm having the same... The business do n't have any mods or they would likely blame the on.

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