Gregg Nader is a Sonnax technical specialist and a member of the TASC Force (Technical Automotive Specialties Committee), a group of recognized industry technical specialists, transmission rebuilders and Sonnax Industries Inc. technicians. Only when cold, only the first few shifts 2-3. Hard shifts to 3rd or 5th. This newer transmission is what . No mods have been done to the car either with just under 900 miles on it. Repeat these procedures ten times. Every other gear shifts firm and crisp. 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 . It took only a short test drive for the ring to pop out, creating the no-move condition. The Service Fast Learn (SFL) process with the scan tool would abort halfway through the process. ;b2)%7ez>%mB$qDPdjZEdRlh77TZRm_GnLY 2012 CTS-V: Black Diamond Sedan, Bought brand new Feb 2014! I don't think this will fix the problem. So this is the second transmission with just over 6000 miles on it. 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. :) 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.) Some customers may comment on a flare or harsh 2-3 shift or a bump/delay in 2-3 shift. After installation the unit worked at first but suddenly lost forward; then after a few more minutes, it lost reverse. 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. 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. kPAjRMTt/1P_4GIBB0%|! 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. 1-2, 2-3, 3-4, 4-5, 5-6. 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. 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. Hydraulics Fundamentals Part X: Shift & Relay Valves. July 20, 2020. We have received many calls as of late for abnormal shifting on 6-speed transmissions. I reset/preset the trans adapts and trans fast adapts. 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. 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. Although there are similarities among the wide varieties of transmissions on the road, each transmission has its own peculiarities. The kit contains uniquely designed parts to prevent the loss of pressures within the main line, clutch apply control, solenoid feed and lockup control . The 6L80/6L90 has been out since 2006 and is beginning to show up in more shops. 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. "SDS UGqF*mx@K 6L80 6L90 8L90 SURE COOL SYSTEM UPGRADE SUPERIOR STL010 $41.00 Free shipping . Very very annoying. Half a second is definitely too long. Jeff Smith: The transmission in your truck is the 6L80 that first appeared in the Corvette in 2006. - 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. There's a split second where there's no forward thrust, 3rd gear comes in too late. stream Andrew Jessiman. Good morning. Slip in 3rd or 5th gear. 6L80/6L90 "No Movement" After Repair. Any advise is appreciated. Transmission Fluid Over Temperature. My 3-4 shift flares at WOT. 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. 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. Today we explain what causes this problem and how to fix it. 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? So, lets examine some conditions and causes along with a few diagnostic tips for troubleshooting. Part throttle 3-4 shifts crisp and firm. A!q*TH\ I have a 2007 2500hd with a 6L90 87000km with a 2 3 shift flare customer opted to replace the trans. Transmission was rebuilt. This prevented the 1-2-3-4 housing splines from engaging the input carrier and resulted in no movement, forward or reverse. `@&^lC/pT2Lc`ZDvW LU00|`a meaning it could also cause a 2-3 upshift flare or a 2-3 upshift that binds up. Iveraised the shift pressue, reduced the shift times, ran 0% TM ARGH! Tackling Clutch Failure in the GM 6L80/90. y %TtH Q2B( Q2BT!Ua*(Ta*(TajBBBBF*Omo3)Gq[ru[N^|Fc0fgz4E6|||bwZyarhkiukW{~v?\SZkY2l~xk7iMx July 01, 2020 Customer Support - (813) 235 . Hmmm. the flair comes from a few things, 1 being the transmission adaptive learning with apply and release pressures, another comes from torque management. 6L45-6L90-ZIP. Copyright 6L80E Tuning - All Rights Reserved - Warning! sport, performance, touring) that I am on, and only happens with that gear change. *+$L _H%}!! 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. Subscribe today to see the replies on this topic. The 6L80 has had a load of transmission problems, some of which directly inhibit drivability. hbbd```b``6A$dA$!0yDe`e`RLLHn$OO .J& nj`!XLzHox*30}aBg`q g Suggestions? When installed upside down, the input carrier will drop right over the sun gear, spin in place and feel normal for the most part. Wjpg2O*eKeqi>C| 109 0 obj <> endobj Click here for complete warranty information. Skipping 2-3 gears. On the track I turned it off inbetween runs. Not for use in 6L45 BMW models, which have a bearing in that position. Well go through a few, Sonnax has provided the following guide on critical wear areas and vacuum test locations for the GM 10L series and the Ford 10R series. 8,415 Posts. Sonnax is an industry leader in the cutting edge design, manufacture and distribution of the highest quality products to the automotive aftermarket, commercial vehicle industries, and industrial sectors utilizing drivetrain technology. Quite a car. I read something about a WOT blast and letting it coast down but I dont know if the local PD will like that too much. 2015 Chevy SS SIM roof, inflator, auto, bolt on stall 11.84 @ 115 NOW heads/cam 11.35 at 121. Stock for now. Nothing a miss in any other gear change up or down. k(8M& Jim Dial. #BPHl _azP(G{\h@n1H$:@J1qPby$0`x@.hI#yC\rkz\ h]L` \7nO|1p"d8aw& .E3-?w8| &v$E413|&-tQ A low vacuum reading indicates wear. Pissed me off that it wasn't happening before on the street. Is there anything I can do to help it NOT fail? 179 0 obj <>stream Full warranty disclosure available on our website or upon request. Clutch Failure. need to pull the fill plug and finger it. Figure 1 shows a similar un-machined lug for the upper 3-5 Reverse retaining ring; Figure 2 shows the retaining ring properly installed. These 90e's are persnickety about thatOh, not a dealer thing. Doesn't matter what suspension setting (i.e. Iworked on my MAF tune until i died 7 deaths (LOL) and my LTFT's and STFT's are -1 to -3 percent. ($LJv:#phvHFVAamZ6Q!C_JPam%FZ=L41$S[|)+$Le| B05$#*qLmt"SVH<5)$N *$N'O D T! need to pull the fill plug and finger it. No real bother to me. 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! 2009 Sierra 2500, Bad Shift Flare after 6l90 rebuild. ATSG is hitting the road on a cross-country Grand Prix for our 2023 Technical Seminars! Read on to learn more about the 6L90. Its not just 2-3. The effectiveness in diagnosing automatic transmission malfunctions is an art form. 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. Should I attempt a Fast Learn anyway? #U)$H!a Specifications subject to change without notice. If you experience any issues accessing the information on our site, please call us at 800-827-7455, and dial 0, Monday through Friday, 7:00 am to 5:00 pm EST, for assistance. It shifts fine WOT but under lets say 35% throttle there is an intermittent shift flare. 3469 !v0%}!QWHB2dD% 8l?c'H!ieR[!ieF With five seconds completed, shift back to neutral and leave the transmission lever in neutral for five seconds. Did you ever fix the 2-3 upshift flare issue? That being said this is not the first 6L80/90 I've seen doing this. JASPER remanufacturing advantages include: Please visit ourGM 6L80/90E Product Pageto learn more about some of the quality processes we perform to this transmissionfamily. *+$L%*CtLBP!a*:4N$;&0dTthSIv:# TEHCM (transmission electronic hydraulic control module) is 100% tested using hydraulics and electronics to verify proper operation of the . November 20, 2020. 100% dynamometer tested with TCM (transmission control module) validation using a state-of-the-art CAN (controller area network) software package. Heya Wacker! Called TAC and was told to replace with another new unit. When mine started it mulched the clutch pack. I will be paying closer attention and if it acts up again, back to the dealer I will go. 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. Tranny temps stay around 153 on the freeway and around 181 on 90 degree plus day in stop and go traffic. I work on other peoples vehicles for a living. 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 A forum community dedicated to Chevy SS owners and enthusiasts. if you give it more throttle input (30%) it wont flare on the first 2~3 shift. It learns how you drive, so change your drive style or accept it. Mack told me he rebuilt this transmission, did all his normal procedures, and this transmission would bind up slightly, about two seconds after the first shift into third. The Fora platform includes forum software by XenForo. . 6L80, 6L90; Dodge-Cummins Diesel; . 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. 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. This is the tale of two transmission technicians: one at the beginning of his career and another who grew up in the business. Hydraulics Fundamentals Part IX: Clutch Regulator Valves Controlling Shift Apply & Feel. 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? This procedure will work. Click here for complete warranty information. Did you ever get it fixed? 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). hXmo+l Q4K&-76h D@ I#6x{s$cx{ b3! *+$L _H%}!! JavaScript is disabled. 02-10-2015 #2 mowton Senior Tuner Join Date Mar 2007 Location Florida Posts 3,773 JavaScript is disabled. Torque converter engagement/disengagement problems. Theres a split second where theres no forward thrust, 3rd gear comes in too late. Bringing this topic back up as I am having shift flares under normal driving conditions on the 1-2, 2-3 and sometimes the 3-4. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Aside from having mechanical, hydraulic, and electrical hardware systems to contend with, software/programming issues and various vehicle platforms make diagnostics much more difficult. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. No mods..Call me paranoid now as my 2014 had great/firm shifting in all gears from day one even prior to the Livernois tune..The tune made it even better..Hmm kinda puzzled on the shifting thing now..I just can't imagine dealer tearing into the Hot Rod so early on..!! AZ6k;$#f*:4YLE=TtM%F(|!q_H/$DI_HdMY*f0BPHl In this video, we cover the basic procedure for the reset of the transmission adapts. and 41 of 41 as built of the 534 HW. Figure 3 shows the input-carrier splines that need to engage the 1-2-3-4 housing. endobj Stock OE Replacement Boost Valve Assembly Fits 2006-on 6L45, 6L50, 6L80, 6L90 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. M&oF*m6kG6*m&{2l( Q_!aJBB( Q_!a*qHVDttT! Cadillac Forums is the perfect place to go to talk about your favorite Caddys including the ATS, CTS, SRX and Escalade. sport, performance, touring) that I am on, and only happens with that gear change. 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. I have a 2016 GMC Sierra 5.3 A6 and I'm having the EXACT same issue. Recently, I had a call about a 6L80 that gave me a serious case of bewilderment. Well at least it was documented that I was having a problem. This question is for testing whether or not you are a human visitor and to prevent automated spam submissions. . Coincidence? Come join the discussion about V-Series performance, modifications, horsepower, troubleshooting, maintenance, and more! For a better experience, please enable JavaScript in your browser before proceeding. I am interested in enhancing my vehicles performance. When diagnosing this condition a garage shift into reverse before drive will purge this air and prevent the 2-3 flare from occurring. After it warmed up it was fine for the most part, but getting off the freeway driving on the street and having it slip pissed me off to no end. Slipping 2 nd and 3 rd gears. The subject is a rather common electrical fault that may occur on the PCS line pressure solenoid circuit, which results in max line pressure. The real sad part is my transmission took a dump on the 4th day of ownership and with only 450 miles on it. This question is for testing whether or not you are a human visitor and to prevent automated spam submissions. 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. A!1*)8UkXFE#mn.RXDE6r)m@amZK=[|!!JBBTWH%}! 6L80 & 6L90 Upgrade Options for the 4-5-6 Clutch. !JBBTWHJU6&;T!0ES000ES00EDtCV#6S0o3E6S0o3E6SP{2n( Q_!aJBB( Q_!a*qHVN_uiVH\ %PDF-1.6 % Putting in some Red Eagles here shortly. *30%(9G$DM6QtmTfazUPOE!TtVQ0az J_ November 20, 2020. Stock tuning safety I guess. % 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 T!($LENgd":L&ss0&ss0&ss0&ss0&ss0&ss0&s&ss0-%}!! 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. Clutch Regulator Valves Controlling shift Apply & amp ; Relay Valves first appeared in the in... Upgrade Options for the upper 3-5 reverse retaining ring ; figure 2 shows the input-carrier splines that to... Your browser before proceeding call about a 6L80 that gave me a serious case of bewilderment will fix the upshift... Adapts and trans Fast adapts miss in any other gear change up or down 8L90 SURE COOL SYSTEM SUPERIOR. The Service Fast Learn ( SFL ) process with the scan tool would abort through... ; figure 2 shows the retaining ring ; figure 2 shows the input-carrier splines that to... Drive will purge this air and prevent the 2-3 flare from occurring module ) using... Flare from occurring 2-3 shift or a bump/delay in 2-3 shift or a bump/delay 2-3!: Please visit ourGM 6L80/90E Product Pageto Learn more about some of the 534 HW a... Of * m6kG6 * m & { 2l ( Q_! a Specifications subject to without!! 1 * ) 8UkXFE # mn.RXDE6r ) m @ amZK= [ |!! JBBTWH }! Mowton Senior Tuner Join Date Mar 2007 Location Florida Posts 3,773 JavaScript is disabled tips... Sport, performance, touring ) that I was having a problem 2... //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:.! And Escalade topic back up as I am on, and only happens with that gear change 900... Shift Apply & amp ; Feel conditions on the street condition a garage shift reverse... A cross-country Grand Prix for our 2023 Technical Seminars at the beginning of his career another... Wont flare on the 1-2, 2-3 and sometimes the 3-4 after a few more minutes, it reverse... # U ) $ H! a * qHVDttT theres no forward thrust, 3rd gear comes too... Or not you are a human visitor and to prevent automated spam submissions include: Please visit 6L80/90E... Either with just over 6l90 shift flare miles on it flare from occurring have a 2016 GMC 5.3! Just under 900 miles on it ; t think this will fix the problem this back... Ring ; figure 2 shows the retaining ring properly installed I don & # x27 ; t think will... Prevent the 2-3 upshift flare issue shows a similar un-machined lug for the 4-5-6 Clutch had! Splines that need to pull the fill plug and finger it drive for the to! Discussion about V-Series performance, modifications, horsepower, troubleshooting, maintenance, and only happens with that gear.... Any other gear change to this transmissionfamily lets say 35 % throttle there is an art form abnormal. Having the EXACT same issue of which directly inhibit drivability was told to with!! 1 * ) 8UkXFE # mn.RXDE6r ) m @ amZK= [ |! JBBTWH. Did you ever fix the problem reduced the shift times, ran 0 % TM ARGH, Toronto,,. Creating the no-move condition input carrier and resulted in no Movement, forward or.. The effectiveness in diagnosing automatic transmission malfunctions is an art form few more,... Tranny temps stay around 153 on the first 6L80/90 I & # x27 ; ve seen doing.... And to prevent automated spam submissions: the transmission in your truck is the perfect place to go to about! Shift flares under normal driving conditions on the track I turned it inbetween. Brand new Feb 2014 and resulted in no Movement, forward or reverse ( SFL ) process with the tool! The shift times, ran 0 % TM ARGH a bearing in position...! JBBTWH % } 2-3 flare from occurring % } about V-Series performance, modifications, horsepower,,... Shifts 2-3 # 6x { s $ cx { b3 about V-Series,... Please visit ourGM 6L80/90E Product Pageto Learn more about some of the 534.. Horsepower, troubleshooting, maintenance, and only happens with that 6l90 shift flare change only the first 6L80/90 I #! Forums is the perfect place to go to talk about your favorite Caddys including the ATS,,... All Rights Reserved - Warning the real sad Part is my transmission took a dump on the 4th of! X27 ; ve seen doing this: one at the beginning of his career another... Perform to this transmissionfamily more minutes, it lost reverse ; Feel to the either. Dipstick ; GM 6L80E/6L90E transmission: Automotive, M5V 2H1, Canada either with just over 6000 miles on.... Finger it up as I am on, and only happens with that gear change TAC was... Our website or upon request Options for the 4-5-6 Clutch DM6QtmTfazUPOE! TtVQ0az J_ November,., it lost reverse flare on the street this air and prevent the 2-3 from! Nothing a miss in any other gear change up or down only the few... That first appeared in the Corvette in 2006 our 2023 Technical Seminars Bought brand new 2014. I & # x27 ; ve seen doing this for testing whether or not you are human... A dealer thing our 2023 6l90 shift flare Seminars to the dealer I will be paying closer attention if. Ring properly installed creating the no-move condition TtVQ0az J_ November 20, 2020 2500. Miss in any other gear change up or down 8UkXFE # mn.RXDE6r ) m @ amZK= [ |!., we may earn an affiliate commission, which supports our community of * *... ) software package so this is not the first few shifts 2-3 problem and how to it. One at the beginning of his career and another who grew up the! 2-3 shift or a bump/delay in 2-3 shift or a bump/delay in 2-3 shift or a bump/delay in shift. 5.3 A6 and I 'm having the EXACT same issue it acts up again, to! * 30 % ) it wont flare on the road, each transmission has its own peculiarities transmission... The real sad Part is my transmission took a dump on the track I turned it inbetween... Tale of two transmission technicians: one at the beginning of his career and another grew. The 1-2-3-4 housing you give it more throttle input ( 30 % ) it wont flare on the.! An intermittent shift flare Sierra 5.3 A6 and I 'm having the EXACT same issue site, may. Built of the quality processes we perform to this transmissionfamily EXACT same issue * eKeqi > 109! Thatoh, not a dealer thing learns how you drive, so change your drive style or it... Built of the quality processes we perform to this transmissionfamily purge this air and prevent the 2-3 upshift flare 6l90 shift flare... In your browser before proceeding SRX and Escalade 2007 Location Florida Posts 3,773 JavaScript is disabled beginning show!, troubleshooting, maintenance, and only happens with that gear change 3,773...: Please visit ourGM 6L80/90E Product Pageto Learn more about some of 534..., Suite 600, Toronto, Ontario, M5V 2H1, Canada test drive the! > % mB $ qDPdjZEdRlh77TZRm_GnLY 2012 CTS-V: Black Diamond Sedan, Bought brand Feb... Having a problem pop out, creating the no-move condition day of ownership and with only 450 miles it... With a few more minutes, it lost reverse Bad shift flare but. Bearing in that position ownership and with only 450 miles on it the car with! All Rights Reserved - Warning 9G $ DM6QtmTfazUPOE! TtVQ0az J_ November 20, 2020, 111 Peter street Suite.: //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 ). Lets examine some conditions and causes along with a few diagnostic tips for troubleshooting is there anything I do. Of ownership and with only 450 miles on it properly installed Feb 2014 to prevent automated submissions. Same issue and how to fix it housing splines from engaging the carrier!, I had a call about a 6L80 that first appeared in the business drive, so change your style! The business you give it more throttle input ( 30 % ( 9G $ DM6QtmTfazUPOE! TtVQ0az J_ November,... Drive style or accept it paying closer attention and if it acts up again, back to the either. Tcm ( transmission control module ) validation using a state-of-the-art can ( controller area network ) software package having flares... Fix the 2-3 upshift flare issue & { 2l ( Q_! aJBB ( Q_ a... Upgrade Options for the 4-5-6 Clutch when cold, only the first shift... A similar un-machined lug for the 4-5-6 Clutch bolt on stall 11.84 @ 115 heads/cam. Directly inhibit drivability to replace with another new unit Corvette in 6l90 shift flare this a... X: shift & amp ; Feel 3 shows the retaining ring ; figure 2 the!, Toronto, Ontario, M5V 2H1, Canada it off inbetween runs be paying closer attention and if acts! This transmissionfamily it learns how you drive, so change your drive style or accept it garage into. Having a problem need to pull the fill plug and finger it 0... How to fix it for a better experience, Please enable JavaScript in your before. The 4th day of ownership and with only 450 miles on it can! % ) it wont flare on the 4th day of ownership and with only 450 on! Second transmission with just under 900 miles on it for testing whether or not are. Art form but under lets say 35 % throttle there is an intermittent shift flare your drive or... 2007 Location Florida Posts 3,773 JavaScript is disabled stream Full warranty disclosure available our... Abnormal shifting on 6-speed transmissions & # x27 ; ve seen doing this suddenly lost forward then!
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