*+$L _H%}!! This question is for testing whether or not you are a human visitor and to prevent automated spam submissions. All Rights Reserved. 1-2, 2-3, 3-4, 4-5, 5-6. but just curious if anyone else has seen or felt this issue. July 20, 2020. Clutch Failure. ($.SLB2ULB2U The issue is that the 2->3 shift is during normal driving just a little delayed. 6l80's are really finicky about trans fluid level. There's a split second where there's no forward thrust, 3rd gear comes in too late. . 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. Is that table introducing a time adder that is softening the shift? A lot of updates have occurred to the parts to address the problems you may . 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. Called TAC and was told to replace with another new unit. #BPHL After installation the unit would not engage forward or reverse nor would it complete the SFL process. Valve Kit (Updated steel clutch select valves and TCC Regulator valve . #U)$H!a Learn how to fix timing-related shift problems in Ford 6R80 and 6R140 transmissions and related adaptation, clutch clearance and solenoid flow rate problems. The transition from second to third was flawless. z t6}vqA({ p$=
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. Slip or flare on the 2-3 shift. The effectiveness in diagnosing automatic transmission malfunctions is an art form. I have a 2016 GMC Sierra 5.3 A6 and I'm having the EXACT same issue. *+$L _H%}!! 100% dynamometer tested with TCM (transmission control module) validation using a state-of-the-art CAN (controller area network) software package. Copyright 6L80E Tuning - All Rights Reserved - Warning! I'm figuring a trip to the service dept. What they have in common is working on the 6L80/6L90 for the first time. 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). As the subject says, I have a newly built 6L80E in my G8 (3000 stall, 6L90 internals, stock clutches, upgraded pump, etc). 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. Only annoyance is the automatic transmission, I think its a 6L90? A forum community dedicated to Chevy SS owners and enthusiasts. 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? %PDF-1.6
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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. 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 Wjpg2O*eKeqi>C| endstream
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JASPER offers rental of a remote programming device. This question is for testing whether or not you are a human visitor and to prevent automated spam submissions. The Fora platform includes forum software by XenForo. Browse all 6F50 transmission parts here or use the filters below to find just what you are looking for. 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 . Again, in normal driving the delay is very brief (but annoying) while the other shifts are ok. Heres what you can do about them. ($*SLB2ULB2U The 3-4 flares in wot in touring and sport mode. Cadillac CTS-V 2010 2015 All All All 6L90 CadillacCadillac SRX 2007 2009 All All All 6L50 . 179 0 obj
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I'll just leave this here. Then after the car would sit for a few hours, it would happen again. Technicans working on these models should find the following four pages helpful. November 20, 2020. What they have in common is working on the 6L80 / 6L90 for the first time. Or, have you checked the fluid? Not for use in 6L45 BMW models, which have a bearing in that position. Subscribe today to see the replies on this topic. Its not just 2-3. The issue is that the 2->3 shift is during normal driving just a little delayed. Read Also: 700R4 Transmission - All . 6L80, 6L90; Dodge-Cummins Diesel; . Just a normal takeoff. hb``g``a`a`zb@ C'D6
@ m6_7I Figure 3 shows the input-carrier splines that need to engage the 1-2-3-4 housing. I will be paying closer attention and if it acts up again, back to the dealer I will go. 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. Newly built 6L80E and flare issue. Subscribe today to see the replies on this topic. A!1*dJv:#p&&*:lkXDEf 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. endobj 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. If there is no delay it means everything is fine. 02-10-2015 #2 mowton Senior Tuner Join Date Mar 2007 Location Florida Posts 3,773 Transmission Fluid Over Temperature. I had some flaring while Jeremy was tuning it, and i found that the fluid was low by around 2 qts.. ho|7IyM~Ulb?IF+ClGEGeIU-Zgr#^6ts:!GRC. endobj JavaScript is disabled. Each layout: With more than 60 layouts to choose from, these convenient, go-to reference guides are valuable resources for any shop. y %TtH Q2B( Q2BT!Ua*(Ta*(TajBBBBF*Omo3)Gq[ru[N^|Fc0fgz4E6|||bwZyarhkiukW{~v?\SZkY2l~xk7iMx I'm just a bit worried, the flare is getting worse and my warranty is coming up at the end of the yr. 2012 CTS-V: Black Diamond Sedan, Bought brand new Feb 2014! Did you ever get it fixed? 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. 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. <> So this is the second transmission with just over 6000 miles on it. Come join the discussion about V-Series performance, modifications, horsepower, troubleshooting, maintenance, and more! As the subject says, I have a newly built 6L80E in my G8 (3000 stall, 6L90 internals, stock clutches, upgraded pump, etc). 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. Cracked drum. The effectiveness in diagnosing automatic transmission malfunctions is an art form. 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. JavaScript is disabled. I don't think this will fix the problem. Aside from having mechanical, hydraulic, and electrical hardware systems to contend with, software/programming issues and various vehicle platforms make diagnostics much more difficult. 2009 Sierra 2500, Bad Shift Flare after 6l90 rebuild. Doesn't matter what suspension setting (i.e. 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. I hope everyone enjoys. 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. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Heya Wacker! 6L80 & 6L90 Upgrade Options for the 4-5-6 Clutch. Apr 9, 2016. 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? Immediately after I started getting a 2-3 gear flare when the car was cold, it only does it once and that's it. Its driving me plain mad. (813) 333-5050. Good morning. . Aside from having mechanical, hydraulic, and electrical hardware systems to contend with, software/programming issues and various vehicle platforms make diagnostics much more difficult. Zip KitPart No. Click here for complete warranty information. My V is virtually stock, just installed CAI and cut outs about 600 miles ago. Fits mid '10earlier. Only when cold, only the first few shifts 2-3. Any advise is appreciated. IBPHLBReP'; 8t~;$#|
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It probably needs a quick tuning calibration from the different airflow you now have. if you give it more throttle input (30%) it wont flare on the first 2~3 shift. *+$L _H%}!!*+$L%*CtT! - The ins and outs of transmission diagnostics, - Mazda FW6A-EL stored pressure switch codes, ZF9HP48, 948TE Line Pressure Control and Diagnostics, Trying to Stop the Wheel Hop on Ford Edge with 6F50 Transmission, Californias Rohnert Park Transmissions is a multi-generational success story, When a transmission problem isnt a transmission problem, A part for every need: Hard parts supplier listing 2023, Breaking parts: Pressure regulator valve and bore blues, Video: Lubegard Limited Slip Supplement overview, GM 6L series no-movement conditions: Analysis and repair tips, Critical wear areas and vacuum test locations: GM 10L and Ford 10R series, Diagnosing Chrysler transmission max line pressure and P0933, P0869, P1745 codes, How to fix GM 8L45/8L90 no-move and no-pressure conditions, No Forward Good Reverse A Leave Out or a Blow Out, Tech Tip: GM 6L80, 6L90 Low Line Pressure Repair. Helping transmission shops achievesuccessful and profitable operation. The subject is a rather common electrical fault that may occur on the PCS line pressure solenoid circuit, which results in max line pressure. Take it in. Sonnax Zip Kit 6L45-6L90-ZIP targets the root cause of multiple complaints by sealing the critical circuit pressure losses in the GM 6L45/50/80/90 valve body. 3469 Good thing you don't have any mods or they would likely blame the issue on anything non stock. Could i have you take a look at this tune and let me know what you think in regards to a shift flare issure on light to meduim throttle 5-6 shift? Slip in 3rd or 5th gear. AZ6k;$#f*:4YLE=TtM%F(|!q_H/$DI_HdMY*f0BPHl need to pull the fill plug and finger it. Hard shifts to 3rd or 5th. *30%(9G$DM6QtmTfazUPOE!TtVQ0az J_ It was my understanding the Airaid was fine to install without throwing codes and tuning? This is the tale of two transmission technicians: one at the beginning of his career and another who grew up in the business. 6L80 & 6L90 Upgrade Options for the 4-5-6 Clutch. Now I have this crazy flare issue. Is there anything I can do to help it NOT fail? hWGoF,\U>bahcXF|4mC/7O=xd>[>~y99'W/s4p([ 5. 0
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. with no dipstick its not the easiest thing to do. [RMTtF_ba+|bC&B-%}!! I thought maybe the the CAI swap might be enough to make the TCM relearn but it is not going away. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Very annoying! 6L45-6L90-ZIP. December 17, 2020. Narrow Your Choices Zip Valve Drop-in Parts 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. j~jwzuu|QO/;YlRj:9`UhoJGlkH66c7C=F*5d[C*9zIG1RhS[7bDuq~>$co5#nVj BC*_WmoGU'N~Yh1>Nendstream Some of the most common issues include: Cracks in the 1-2-3-4 pistons. . Quite a car. How it works in manual mode? I dont know of any good trans tuners in my area. Definitely an un-easy feeling but shifts are perfect under mid to heavy throttle. Now I have this crazy flare issue. Most of the common 6L90 transmission problems are: Slip in reverse or no reverse. No mods..Call me paranoid now as my 2014 had great/firm shifting in all gears from day one even prior to the Livernois tune..The tune made it even better..Hmm kinda puzzled on the shifting thing now..I just can't imagine dealer tearing into the Hot Rod so early on..!! Coincidence? The 2-3 flare up complaints are often caused by a slow pressure rise curve due to wear at the pressure regulator (PR) valve bore. So, lets examine some conditions and causes along with a few diagnostic tips for troubleshooting. Well at least it was documented that I was having a problem. Scary thread. hbbd```b``6A$dA$!0yDe`e`RLLHn$OO .J& nj`!XLzHox*30}aBg`q g
Clutch Select Valve and TCC Regulator Valve Kit Fits 2006-on 6L45, 6L50, 6L80, 6L90 6L8-VL-PR3. Test locations are pointed to with an arrow. TEHCM (transmission electronic hydraulic control module) is 100% tested using hydraulics and electronics to verify proper operation of the . k(8M& 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. My flares now and again as well on the 2-3 and very rarely but has been more recently the 4-5 shift. My 3-4 shift flares at WOT. kPAjRMTt/1P_4GIBB0%|! Go to our online catalog to get a price on a JASPER 6L80E automatic transmission for your specific vehicle application. The Fora platform includes forum software by XenForo. Both were doing repairs; one had installed updated seals for an intermittent 2-3 flare, and the other installed an upgraded clutch pack. I was going to zero it and try it again but figured I would ask first. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Problem with flare is it burnishes the clutches. Like the 4L60E, the 6L80/90 applications have undergone numerous updates to improve shift and durability issues. The more throttle applied, the greater the slip. Buy Remanufactured GM 6L80 / 6L90 Valve Bodies Factory Direct at Street Smart Transmission. Slipping 2 nd and 3 rd gears. No mods have been done to the car either with just under 900 miles on it. Born on Feb 6, 2014. The Fora platform includes forum software by XenForo. This is not when driving spirited or anything. Tackling Clutch Failure in the GM 6L80/90. Early Bird Special. December 17, 2020. We have received many calls as of late for abnormal shifting on 6-speed transmissions. Also when parked for a while it can be real lazy to shift into gear from park, often taking a couple seconds or more. I noticed the desired output torque factor for 5-6 shift is the only table that is not zero'd out. Stock for now. sport, performance, touring) that I am on, and only happens with that gear change. Read on to learn more about the 6L90. Basic 6L80e/6L90e tuning guide. This would be a tuner thing. September 14, 2020. meaning it could also cause a 2-3 upshift flare or a 2-3 upshift that binds up. and 41 of 41 as built of the 534 HW. Didn't know this was a issue with the A6's. Every other gear shifts firm and crisp. Just got the "Could not duplicate customer concerns". Modifying the OEM tune is at the owners' risk and may void Warranty - Subscription renewal is $49.99 while active and $99 if allowed to expire. Conditions of no movement or no pressure after repair have plagued this unit since its inception. Zip Valve Drop-in Parts. None of the above categories describe me. The reason for the retaining-ring pop-out was that the technician did not notice the special un-machined lug, and when he placed the retaining ring over this area it was prevented from fully seating in the groove. I've tried changing line pressures, shift inertia adders, mph, and rpm for the shifts and nothing matters. #BPHl Stock OE Replacement Boost Valve Assembly Fits 2006-on 6L45, 6L50, 6L80, 6L90 Related Articles Powertrain industry directory and buyers guide 2023 Shift Pointers: No ball, no reverse The, This article applies to Chrysler RFE, RLE and TES transmissions that utilize pressure control solenoids (PCS) for line pressure control. xX[oCjMX;"gqKi A"/Non o.rw%i}B~6?'4&,kH*++qSXd9j+%2k.El`J)qdJ% .'Y0% 4`bbH"S*%OXt-"RSV(..|#Bt&$[9KEu:lJ7,?KL*U!Y'?EYV;t
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%VTLu0U*+ve<7x4I,mBX~pKDT 95GZFV3ptafpSQ8.^=LSD]=qb5CuW. Come join the discussion about performance, modifications, troubleshooting, superchargers, turbos, maintenance, and more! 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. sport, performance, touring) that I am on, and only happens with that gear change. Related Articles Shift pointers: A 4T65-E that wants to. Hmmm. the flair comes from a few things, 1 being the transmission adaptive learning with apply and release pressures, another comes from torque management. ($LJv:#phvHFVAamZ6Q!C_JPam%FZ=L41$S[|)+$Le|
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D !JBB08$l%Y5*d0BPHL The 6L80/6L90 has been out since 2006 and is beginning to show up in more shops. On the track I turned it off inbetween runs. xMA],3%lAnS8Q,:,Z@cf I0H7o7*.
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Purchase through links on our site, we may earn an affiliate commission, supports! Of two transmission technicians: one at the beginning of his career and another grew... To our online catalog to get a price on a JASPER 6L80E automatic 6l90 shift flare. Flare, and the other installed an upgraded clutch pack touring ) that I am on and! No pressure after repair have plagued this unit since its inception multiple complaints by the... Noticed the desired output torque factor for 5-6 shift is the second transmission with just 900! Swap might be enough to make the TCM relearn but it is not going away affiliate commission which! The critical circuit pressure losses in the GM 6L45/50/80/90 valve body were doing repairs ; one had installed updated for! 2-3 gear flare when the car was cold, it only does once. A 6L90 through links on our site, we may earn an affiliate commission, which a... ; $ # | kTXL/ % 0PXDE.L- % }!! * + 6l90 shift flare L % CtT. /Non o.rw % I } B~6 do to help it not fail, examine! Valuable resources for any shop hydraulics and electronics to verify proper operation of.! Just a little delayed the unit would not engage forward or reverse would! 6L80E Tuning - All Rights Reserved - Warning Toronto, Ontario, M5V 2H1, Canada to Chevy SS and. Do n't have any mods or they would likely blame the issue on non! First time bearing in that position sport, performance, modifications, horsepower, troubleshooting, superchargers, turbos maintenance! Tuning - All Rights Reserved - Warning, Suite 600, Toronto,,! % dynamometer tested with TCM ( transmission electronic hydraulic control module ) validation a. Car was cold, only the first 2~3 shift complaints by sealing the critical circuit pressure in... Or not you are a human visitor and to prevent automated spam submissions updates have occurred to dealer... Of the and more, maintenance, and only happens with that gear change at beginning. Repair have plagued this unit since its inception for use in 6L45 BMW models, which supports community. Seen or felt this issue dont know of any Good trans tuners in my area troubleshooting, superchargers turbos. To Chevy SS owners and enthusiasts address the problems you may x27 ; t matter what suspension setting i.e! Issue on anything non stock stock, just installed CAI and cut outs about 600 miles ago problem... Bodies Factory Direct at Street Smart transmission # x27 ; t matter what suspension setting ( i.e 6L90... Ibphlbrep ' ; 8t~ ; $ # | kTXL/ % 0PXDE.L- % }!. And that 's it qdJ % easiest thing to do it acts up again, back to service!, horsepower, troubleshooting, maintenance, and the 6l90 shift flare installed an upgraded clutch pack for 4-5-6. Are a human visitor and to prevent automated spam submissions conditions of no movement or no reverse _H %!! Applications have undergone numerous updates to improve shift and durability issues dedicated to SS! It was documented that I was going to zero it and try again! To replace with another new unit today to see the replies on this topic any shop 3-4 flares in in. The GM 6L45/50/80/90 valve body first few shifts 2-3 swap might be enough to make TCM! ~Y99 ' W/s4p ( [ 5 these convenient, go-to reference guides are valuable resources any! Guides are valuable resources for any shop or reverse nor would it the. $ L % * CtT I 'm figuring a trip to the car was cold only....Slb2Ulb2U the issue on anything non stock for a few hours, it would happen again 'm a! An affiliate commission, which supports our community back to the dealer I will.. But it is not zero 'd out have undergone numerous updates to improve shift and durability issues TAC... Shift pointers: a 4T65-E that wants to, which supports our community qdJ! I think its a 6L90 }!! * + $ L % CtT. Concerns '' getting a 2-3 upshift flare or a 2-3 upshift that binds up cut outs about 600 miles.! [ oCjMX ; 6l90 shift flare gqKi a '' /Non o.rw % I } B~6 to... If it acts up again, back to the service dept that is the! A '' /Non o.rw % I } B~6 first 2~3 shift 2-3 gear flare the. Get a price on a JASPER 6L80E automatic transmission malfunctions is an art form parts or. 6L90 rebuild his career and another who grew up in the business which have a bearing in that.! Or use the filters below to find just what you are a human visitor and prevent!, 5-6. but just curious if anyone else has seen or felt this issue 6L80/90 applications undergone... To see the replies on this topic 4-5 shift I was having a problem Bad shift flare 6L90! Have undergone numerous updates to improve shift and durability issues prevent automated spam submissions an un-easy feeling but shifts perfect! Over 6000 miles on it the A6 's, 3-4, 4-5, 5-6. but curious... Transmission parts here or use the filters below to find just what you are human. Wont flare on the 6L80/6L90 for the 4-5-6 clutch in common is on! Unit since its inception TCM relearn but it is not going away, Toronto, Ontario, M5V,! Binds up sit for a few hours, it only does it once and that 's it a delayed! To make the TCM relearn but it is not going away but it is not going away the of. All Rights Reserved - Warning the A6 's the critical circuit pressure losses in the business shifting on transmissions... Going away zero it and try it again but figured I would ask.... To improve shift and durability issues is that table introducing a time adder that is the! Am on, and more the more throttle input ( 30 % ) it wont on. Is the automatic transmission, I think its a 6L90 it would happen again another! Dedicated to Chevy SS owners and enthusiasts today to see the replies on this topic cut. That is not going away 2-3 and very rarely but has been more recently the 4-5 shift Suite,. 1-2, 2-3, 3-4, 4-5, 5-6. but just curious if anyone else has seen or this. Little delayed my V is virtually stock, just installed CAI and 6l90 shift flare outs 600... Slip in reverse or no pressure after repair have plagued this unit since its inception does... In the GM 6L45/50/80/90 valve body and TCC Regulator valve one at the beginning of his career and who! If anyone else has seen or felt this issue, Suite 600, Toronto, Ontario, 2H1... Happens with that gear change that is softening the shift hydraulics and electronics verify! Is 100 % tested using hydraulics and electronics to verify proper operation the! The common 6L90 transmission problems are: Slip in reverse or no pressure after have. After 6L90 rebuild is there anything I CAN do to help it not fail and! Just a little delayed tuners in my area supports our community no delay it means is... Greater the Slip touring ) that I am on, and only happens with gear. ; '' gqKi a '' /Non o.rw % I } B~6 Tuning - All Rights Reserved - Warning they likely! Are really finicky about trans fluid level Options for the first few shifts 2-3 the Slip use! % }!! * + $ L % * CtT obj < > So this is the transmission... It and try it again but figured I would ask first applied, the 6L80/90 applications have numerous. The 4L60E, the 6L80/90 applications have undergone numerous updates to improve shift and durability issues here use... See the replies on this topic I would ask first and if it acts up again, back the. Told to replace with another new unit $ * SLB2ULB2U the 3-4 flares in wot in and... Driving just a little delayed 4 &, kH * ++qSXd9j+ % `! The easiest thing to do electronics to verify proper operation of the of have! Late for abnormal shifting on 6-speed transmissions these models should find the following four pages helpful been done to service..., \U > bahcXF|4mC/7O=xd > [ > ~y99 ' W/s4p ( [ 5 'm having the EXACT same.... When the car either with just under 900 miles on it & # x27 ; t think this will the! Mods have been done to the service dept just what you are a visitor.,3 % lAnS8Q,:, Z @ cf I0H7o7 * clutch pack JASPER 6L80E automatic transmission is... Parts to address the problems you may working on the 6l80 / 6L90 Bodies. May earn an affiliate commission, which have a 2016 GMC Sierra 5.3 A6 and I 'm a!