Aug 15, 2021 · Yeah so I have a 2018 Silverado 5.3 with the 6 speed and I’ve noticed it’s operating temp has been around 180 - 190 with out a load. Just wondering if these trucks like to run hot. ... 2011, 5.3 LT 1/2 ton, 6L80 at 135-144° Average outside temp 102° Towing a 2 horse trailer throughout norcalThe Raybestos Powertrain 6L80E Stage-1 Performance Transmission Super Rebuild Kit contains upgraded friction clutch plates, premium steels, and more performance parts to deliver the strength & durability your hard working transmission needs. ... while being able to withstand higher temperatures associated with towing heavy loads. Raybestos ...The 6L 50 (and similar 6L 45) is a 6-speed longitudinally-mounted automatic transmission produced by General Motors.It is very similar in design to the larger GM 6L 80 and 6L 90, and is produced at GM Powertrain plants in Toledo, Ohio; Silao, Guanajuato, Mexico; and by the independent Punch Powerglide company in Strasbourg, France.. This transmission features clutch to clutch shifting ...Nov 2, 2021 · This applies to the 8 speed transmission that was used in 2017 and 2018 Silverado, Sierra, Yukon, Suburban, and Tahoe. The temperature sensor was starting to...And I have never heard of moisture problems with the allisons due to cold temp operating. But truth is, the cooler an oil is, the longer it lasts. And some guys argue that our 3.0's dont get their best fuel mileage until the trans hits at least 150F.Sep 13, 2017 · 17960 posts · Joined 2012. #6 · Sep 24, 2017. Watched mine closely today. 170F cruising. Did several (5 or 6) pulls from 40 to 150 and it hit 180. Mine seems to be nice and chill for whatever reason. It's tuned but otherwise stock aside from being overfilled. CTS-V: Celebrating 3 generations of N.F.G.Reducing the coolant temp below 185 is going to reduce mpg and combustion efficiency. Most diesel engines get the best mileage around 190-220F. The upper limit is more dictated by ambient temps, load and efficiency of the cooling system. The Powerstroke guys found out years ago that going to the hotter 205F thermostat usually yielded a nice mpg ...#automotive #mechanic #automobile Transgo 6L80 6L90 Cooler Delete https://amzn.to/3qgeMZSor Check out our amazon store for items or products used in our...4l80e Transmission Fluid Temperature. The 4l80 runs in the 180-200 range when fully warmed up, ... 6l80 vs 6l90: Difference Between 6l80 and 6l90 Transmissions; Affiliate Disclaimer. Transmission Cooler Guide participates in the Amazon Associates and eBay Partner programs, which are affiliate advertising programs designed to provide a means for ...Ford, Mopar, GM, and others are supported: 4L60, 4L80, 6L80, 8L90, 10R80, 10L90, 8HP70. Skip to content. Menu. All categories Cancel Dealer Portal ... verify that your transmission is operating correctly, no codes are present and the transmission fluid looks and smells good. ... An external cooler and temperature gauge is highly suggested. ...Trans temp is insane! Just came back from a drive, 82°F at 9pm. Fluid temp at 190°F! Just had my torque converter and other parts replaced a week ago. Ordered the thermostat kit this morning. 2016 1500 LT with the 6L80. I have a 4L60e in my 2005 Pontiac GTO that has a LS2 6.0L in it. I installed a transmission temp sensor and it operates ...Lower operating temperatures; no loss of ground clearance; bolt on replacement; LG track and street proven; ... Pan fits any 6spd auto 6L80/90E equipped vehicle including the 2014 C7 Corvette. Great for street cars, drag racing, autoX, or road course work. RedLine D6 ATF suggested.6L80 Performance Transmission 4140 HTSR Billet Reinforced Output Carrier (Billet Planetary) ... The ideal operating temperature for this transmission is 180°or less. These transmissions have a tendency to run very hot - the cooler will lower operating temperature and recovery time which in turn will extend the life of your transmission.Before the change, I hadn't checked what the operating temps were, but during a 700 mile road trip I was averaging about 120-130 degrees for the first half of the trip, which seemed normal. However, on the second half of the trip my temp dropped as low as 111 degrees. I know lowering your temps is good, but is this too much.The TransGo kit completely deletes the bypass function, cooler flow is 100% all of the time. With the GM bypass valve with the new 70C setpoint you still have cooler bypass function which gives you better transmission warm up - reducing spin losses and improving fuel economy, especially in the winter.17970 posts · Joined 2010. #2 · Mar 30, 2017. You want to be under 200 for sure. Closer to 180 is the normal range. Could be the TC is the issue and maybe not locking up. 3200 is pretty loose and will tend to run hotter. I did not think the Connect and Cruise came with a 3200 stall TC. 69 SS396 Cortez Silver ( SOLD)When functioning smoothly, these pressure switches are a huge benefit to shift quality. Unfortunately these pressure switches have a significant failure rate, and have previously required the purchase of a new TEHCM for repair. Typically when a pressure switch fails, one or more of the following DTC's will set: P0752, P0872, P0877 and/or P0989.Jan 23, 2008 · I've been told 190 to 200 is about average. birdy Discussion starter. 28 posts · Joined 2007. #4 · Jan 25, 2008. I do have a temp gauge, it was creeping over 206 and then it drops rather quickly then few minutes later could be high again? I think I need to check the fluid level (where can you check and add tranny fluid?) If its going up and ...May 25, 2023 · Exhibit A: GM 6L80/90. The first overheating case comes from GM 6L80 and 6L90 transmissions equipped with a thermal bypass valve in the cooler lines.. The purpose of the thermal valve is to get the transmission fluid up to temperature when it is cold. I think if the valve were to fail in the open position no one would ever know the difference, but …The following is the proper conditions for checking the fluid level and condition of the 6L45 / 6L50 / 6L80 / 6L90 automatic transmissions with specific information for the 2010-2014 Camaro. CAUTION: The transmission fluid level must be checked when the transmission fluid temperature (TFT) is between 30-50°C (86-122°F) operating temperature.The 6L80E is a robust six-speed automatic transmission commonly found in a range of vehicles, including trucks, SUVs, and sports cars. ... provide the extra power and torque needed for these tasks while ensuring that your transmission operates within safe temperature ranges. This results in more confident towing and hauling experiences. Better ...1,908. GT500 Air Temp Sensor Info? (Whipple Related) So the 2015-2017 Whipple operating system disables the IMRC settings, leaving very little left in the operating system for them, BUT is able to monitor the ohms resistance coming through the IMRC position harness. When you do their full stage 2 install (not tuner kit, that doesn't come with ...PATREON: https://www.patreon.com/CurmudgeonTransmissionSupplier Links:Superior: https://superiortransmission.com/Transtar: https://www.transtar1.com/WIT: htt...Our 07 6L80 does the 2-3 upshift flare but only when below normal operating temp and only above 3000 rpm. Anybody know what the DIY fix is (or not)? Should I be worried? I don't tow and I drive conservatively. Otherwise no issues. Has always done this since we bought it 4 1/2 yrs ago w/130k miles. It now has 187k miles.Quick Navigation GM V8 Tuning - Engine, Gas (Gen 3) Top. I've done the Flex Fuel sensor install using OS 12216125. After locating a 4l80e file that uses the same OS and performing a segment swap the trans would not downshift from third to first when coming to a stop. Hptuners support sent me a different file which solved the downshift problem ...Oct 1, 2019 · ATF Temp Chart. Automatic transmission fluid will provide 100,000 miles of service before oxidation occurs under normal operating temperatures of about 170°F. Above normal operating temperatures, the oxidation rate doubles (useful life of fluid is cut in half) with each 20° increase in temperature. This information clearly shows why ...Monitoring it further though, the transmission never warms up to the recommended 195-200F. It also had a few cases where the temp dipped to 100 on the dash (lowest number). Transmission Thermostat. On the 6L80 and 8L90 series, they introduced a thermostat to help increase the temperature to around 200 on daily driving.Jun 25, 2018 · Summer 6L80 Trans temp V8 and V6 Transmissions / Driveline (6L80 / 6L50 / TR6060 / AY6) You are browsing camaro5 Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums ... Is this a ok operating temp? I’ve searched extensively through the forum and most everyone says,” mine never gets over 180.”Reducing the coolant temp below 185 is going to reduce mpg and combustion efficiency. Most diesel engines get the best mileage around 190-220F. The upper limit is more dictated by ambient temps, load and efficiency of the cooling system. The Powerstroke guys found out years ago that going to the hotter 205F thermostat usually yielded a nice mpg ...TransGo Transmission Cooler Bypass Delete Kits 6L80-CLR-BYPASS TRG-6L80CLRBYPAS. 5 out of 5 stars. Part Number: TRG-6L80CLRBYPAS. Estimated Ship Date: Today. $13.90. Overview. Applications. Q&A. Reviews. ... * Reduces transmission fluid temperature * Eliminates thermostatic assemblyNov 2, 2021 · This applies to the 8 speed transmission that was used in 2017 and 2018 Silverado, Sierra, Yukon, Suburban, and Tahoe. The temperature sensor was starting to...6l80 Getting Hot. The vehicle has a ~3000rpm triple disk stall converter from Precision Industries. The transmission is getting hot, but very slowly. On a 40 degree day the transmission temperature slowly creeped up to 240 degrees F. The vehicle has a small aftermarket tube and fin cooler installed inline with the radiator.The following is the proper conditions for checking the fluid level and condition of the 6L45 / 6L50 / 6L80 / 6L90 automatic transmissions with specific information for the 2010-2014 Camaro. CAUTION: The transmission fluid level must be checked when the transmission fluid temperature (TFT) is between 30-50°C (86-122°F) operating temperature.280. you can change the temp that it allows the clean to happen. atleast you can in efilive. i havent checked if hpt can do it. Quick Navigation. Is the Fast Relearn all that I need to do after rebuilding a 6L80e? Vehicle is a 2012 Camaro SS, stock trans rebuild, stock converter and I'm unclear if I need to send it somewhere to reflash or if I ...Operating systems like Windows or the MacOS are par for the course. But what if there wasn't an operating system? Would the computer still, well, compute? Advertisement Basically e...The Raybestos Powertrain 6L80E Stage-1 Performance Transmission Super Rebuild Kit contains upgraded friction clutch plates, premium steels, and more performance parts to deliver the strength & durability your hard working transmission needs. ... while being able to withstand higher temperatures associated with towing heavy loads. Raybestos ...exceeded an operating temperature of 90°C (194°F). Once the TFT has reached or exceeded 90°C (194°F), then turn OFF the vehicle and allow the TFT to cool back down to 35-45°C (95-113°F) before checking the fluid level as required. Reaching or exceeding an operating temperature of 90°C (194°F) opens theImmediately accurate fluid level check (without warm-up cycle), reduce average operating temperatures by up to 20%. Reduce the risk of overheating when loading, and increase the ATF life. For 14-up GM 6L80/90E &16-up 8L80/90E Replace for STL010 Cooler Flow Bypass Valve Kit .Ford, Mopar, GM, and others are supported: 4L60, 4L80, 6L80, 8L90, 10R80, 10L90, 8HP70. Skip to content. Menu. All categories Cancel Dealer Portal ... verify that your transmission is operating correctly, no codes are present and the transmission fluid looks and smells good. ... An external cooler and temperature gauge is highly suggested. ...The factory 6l80 transmission thermostat is designed to keep fluid in the transmission until it opens up at about 190F degrees. While the 6l80 is a fairly stout transmission and can handle some abuse, keeping the transmission temp at or above 190F is (in our opinion) is less than optimal.The optimal temperature range for transmission fluid is 175 to 220 degrees. Above that, for every 20 degrees bad things happen, starting with formation of varnish at 240 degrees, followed by seals hardening, plates slipping, seals and clutches burn out, carbon is formed, and, ultimately, failure.KIT AGGIORNAMENTO SISTEMA di raffreddamento trasmissione 6L80-6L90-8L90-10L90 2014-UP flusso di raffreddamento - EUR 16,30. IN VENDITA! 6L80-6L90-8L90-10L90 Transmission Cooling System Upgrade Kit 2014-UP Cooler Flow Bypass Valve Kit 387024169511. IT. Menu. PicClick USA e internazionale; PicClick Australia;Add to Cart. $85.00. SKU: STL010. Buy in monthly payments with Affirm on orders over $50. Learn more. Full time cooler flow. Built in safety bypass. Immediate cooler fill. Immediate accurate fluid level check without warm-up cycle.Jul 15, 2019 · See a GM notice on a temperature controller for the 6 speed transmissions that should be looked at, changed if it is the higher temp. bypass valve. For the later model Tahoes, not the 21s. Thermal Bypass Valve Installation – TechLink150. Your TCM OS is to new. You'll need to use TCM OS 24270599 from a 2014-16 6l80e so the TCM can communicate with your 2014 ECM. In 2017 GM switched to an E92A and used a new TCM OS for 2017+ T43 TCMs. I've ran into similar issues when we tried using a new TCM with an older E92 ECM and vice versa. You can reprogram the TCM with an Older OS ...Jan 15, 2020 · 6L80E Specs + Identification; TH400 Transmission Specs, ID, ... such as high operating temperatures, worn-out gears, or a failing cooling system. ... The most common symptom of transmission overheating in your Yukon is the temperature light coming on.Information about GM's 6-speed 6L50 MYB Hydra-Matic transmission, including details, specifications, vehicle applications, and more.Medicine Matters Sharing successes, challenges and daily happenings in the Department of Medicine Did you know that JHU participates in an annual competition to help foster better ...6L80e Transmission issue. Almost always let my engine warm up at least halfway before driving. Use 2wd almost exclusively, 4-hi maybe once a week during for very short distances. Last night I noticed that my RPMs seemed to be a bit jumpy, hardly noticible on the tacometer but I could hear it happening around the 1000-2000 rpm range while at ...P0128 Definition: Coolant Temp - Below Thermostat Regulating Temp. The P0128 OBD-II trouble code is a generic powertrain diagnostic code (it has the same meaning for the Buick Lucerne as any other vehicle). Coolant Temperature. The coolant temp sensor is responsible for telling the Engine Control Module (ECM) the engine's coolant temperature.If you’ve ever experienced heat exhaustion firsthand, then we don’t have to tell you that it’s not fun — at all. With summer spreading across the United States, many folks are star...Apr 10, 2024 · First introduced in 2005, the 6L80 transmission is a 6-speed automatic gearbox that is made by General Motors at their Willow Run transmission factory in Ypsilanti Michigan, and at their transmission plant in Toledo, Ohio. They are designed for RWD and AWD/4WD applications, and feature clutch-to-clutch operation with a wide gear ratio for ...GM indicates the normal operating range for a 6L80 transmission (without thermostat) is 180-200 degrees. I wont be able to help with your tune, but I've been …It's no secret if you own a 2014- 2018 Chevy Silverado or GMC Sierra that they have transmission issues. One reason for this is that they ran too hot from t...6 days ago · Information about GM's 6-speed 6L50 MYB Hydra-Matic transmission, including details, specifications, vehicle applications, and more.ACD. Check Vehicle Fit. Automatic Transmission Oil Cooler Hose Auxiliary Inlet; Transmission Code: 4L60-E, 4 Speed; Transmission Code: 6L80, 6 Speed; Heavy Duty Transmission Cooling System (KNP) 1 Year Limited Warranty. Centerline Length (mm): 1218mm. Material: Steel. End 1 Inside Diameter (in): 5/16 Inch. Show More. Compare.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 . 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 ...Just replaced my 6L80 transmission in a 2016 Silverado LT 1500 4x4. On dash trans fluid temperature says -40. Did I purchase a Re man with a bad temp sensor possibly . Save Share. Like. Sort by Oldest first Oldest first Newest first Most reactions. Leveled17yeti.Norwegian doesn't expect to resume its European short-haul and long-haul operations until April 2021 at the earliest. Low-cost carrier Norwegian Air doesn't expect to resume long-h...ACD. Check Vehicle Fit. Automatic Transmission Oil Cooler Hose Auxiliary Inlet; Transmission Code: 4L60-E, 4 Speed; Transmission Code: 6L80, 6 Speed; Heavy Duty Transmission Cooling System (KNP) 1 Year Limited Warranty. Centerline Length (mm): 1218mm. Material: Steel. End 1 Inside Diameter (in): 5/16 Inch. Show More. Compare.Gen V L83 L86 L8T E92 standalone engine harness with 6L80E transmission Use with MAF sensor p/n 23262343 or equivalent Use with Oxygen Sensor p/n 12659516 or equivalent Wired for Corvette pedal p/n 19417903. ... Engine coolant temperature (2 pin plug, top of water pump) Mass Air Flow (8 pin plug, installed in inlet ducting. Sensor p/n 23262343 ...Apr 10, 2024 · First introduced in 2005, the 6L80 transmission is a 6-speed automatic gearbox that is made by General Motors at their Willow Run transmission factory in Ypsilanti Michigan, and at their transmission plant in Toledo, Ohio. They are designed for RWD and AWD/4WD applications, and feature clutch-to-clutch operation with a wide gear ratio for ...STEP 3. Place a small amount of sealer on the threads of the T-fitting, install the proper coupler and tighten securely. Place a small amount of sealer on the threads of the temperature gauge sender unit. Install the sender unit into. sender. Figure 1. Printed in U.S.A. 9500048-08 the coupler and TIGHTEN VERY LIGHTLY! STEP 4.It shows my temp as 189 deg. but then when I attempt the Fast learn it says TEMP LO. I've *attempted* to use HP Tuners over the last 30 or so 6L's that I've built and out of those 30 only 3 times-Yes, a total of 3 out of 30-did it actually say "completed successfully". All the other 27 vehicles are gone-delivered to the customers-and running ...Exceptional torque rating. Developed with upgraded internal components, Chevrolet Performance's SuperMatic 6L80-E 6-speed automatic transmission offers an exceptional torque rating of 650 lb.-ft. - a 45 percent increase over regular production versions of the 6-speed automatic. Find Dealer.6L80/90 technical information. Pressure test port: passenger's side behind bell housing. Pressure test specifications, have transmission full of fluid and warmed to operating temperatures, Use scan tool to command EPC solenoid for test. Without scan tool you will have approximately 45-80 psi at idle and upwards of 300 in gear atThe GM 6L80 and 6L90 TEHCM houses the transmission control module (TCM), or computer. The eight solenoids are connected to the TCM via a lead frame, all of which are over-molded in the plastic housing and not accessible or serviceable separately. ... Temperature sensor codes; Required. Recommended. 6L80 Remanufactured Valve Body GM6L80L '10 ...One of the more common issues that arises when swapping 6L80 TEHCMs is due to a running change made sometime between 2013 to 2014. New instrument clusters now provide Transmission Fluid Temperature data. This means the TEHCM is fitted with a program to provide both Transmission Temp for the TCM and for the Instrument Cluster.According to the owners manual for newer Silverado pick-ups (those with a 4L60, 4L80 or a 6L80 transmission): the fluid should be at normal operating temperature, which is 82°C to 93°C (180°F to 200°F). It goes on to state that if the temp goes above that you need an external auxiliary cooler.6 days ago · The ideal operating temperature of transmission fluid is 175 degrees. Overheating occurs after the temperature surpasses 200 degrees, ... Just wanted to share this because it just happened to me. 2016 Silverado 1500 with 6L80 tranny overheating because engine coolant thermostat got stuck open.Apr 9, 2015 · Codes stored are: P0872. P0877. P0889. P0990. Two of them indicate trans fluid pressure sensor c and d low, one is tfp sensor e high, and one is TCM power relay range/performance. So in summary: Before fluid/filter change trans was fine cold and flared when hot. After change trans was great for 50 miles then started hard downshifts and …Lower operating temperatures; no loss of ground clearance; bolt on replacement; LG track and street proven; ... Pan fits any 6spd auto 6L80/90E equipped vehicle including the 2014 C7 Corvette. Great for street cars, drag racing, autoX, or road course work. RedLine D6 ATF suggested.To perform a 6L80E transmission fluid and filter change, it’s important to follow these steps: 1) Place a large drain pan beneath the transmission and remove the transmission pan. 2) Inspect the old filter for any signs of wear or contamination, and replace if necessary. 3) Use a drain plug or drain pan to drain out any remaining fluid in the ...Merchandising operations are your purchasing, selling, collecting and payment activities. Although cyclical in nature, they are ongoing operations designed to improve your cash flo...#automotive #mechanic #automobile Transgo 6L80 6L90 Cooler Delete https://amzn.to/3qgeMZSor Check out our amazon store for items or products used in our...The commanded shift time is KING!Link to documents and info in this seriesLhttps://drive.google.com/open?id=1-T7fg0-0NGskLrnhuv8RHZasi8PNAaPI&authuser=dankun...Jul 26, 2019 · Jeff Smith: The transmission in your truck is the 6L80 that first appeared in the Corvette in 2006. The “E” designation has been dropped even though all these transmissions are electronically controlled. This is a much different transmission from the earlier generation 4L60/4L80/4L90E four-speed overdrives. This newer transmission is …Upon further inspection, we found that the TCM did have a code P0218 stored, a code for transmission over-temp. At this point, we cleared the code and went for a road test. At first, everything appeared to be operating normally. The converter clutch was applying with no slip concerns, and fluid-temperature readings were fairly normal.The P0128 OBD II trouble code indicates that your Chrysler 300's engine coolant temperature has not reached its required operating temperature within a certain amount of time after starting the car. This code can appear as soon as you start your vehicle, or it can also occur while driving. It's essential to address this issue immediately ...Aug 9, 2021 ... WHAT BETTER PLACE TO TEST OUT THIS 6L80 MOD THAT DEALS WITH HEAT. TODAYS HIGH TEMP OUTSIDE IN DEATH VALLEY WAS 133F DEGREES.Jul 21, 2008 · #1. On my `16 Chevy Suburban with the 6 speed and 5.3 L, I just did the change to the lower temp. thermostat as per TSB 21-NA-199 which lowers the temp 26 …Here are the most common causes of P0128: Thermostat Stuck Open - Far and away, the most typical cause for the P0128 code is a thermostat that is stuck open. When a thermostat is stuck open, it allows coolant to flow through the engine at all times. When this happens, the engine is "over-cooled" and never reaches the proper operating ...JimM. 22190 posts · Joined 1999. #4 · Aug 15, 2007. I'd prefer it to run cooler if it can. Assuming a 180 thermostat, kick the fans on at 200, off at 185-190. 210 is for sure not hot enough to hurt anything tho. JimM's firstgens.com Camaro Board. Jimragtop.com New website for my vert is coming together.6L80e Trans temp . Are there any tables that I should be specifically looking for that will help with keeping the transmission temperature down? The combo is a a 2014 Head,cam,2.9 Whipple 5.3, reg cab Silverado with a 3000 stall converter. Right now I have the converter set to lock up in 4th and up.Operating System Development - Operating system development is now easier through open source, Linux and Net Booting. Read about operating system development and programming. Adver...Mar 9, 2023 · Hi All, Since so many of us own at least one Tahoe or Yukon equipped with a 6L80, I figured I'd start an all-encompassing transmission thread with videos, links and other information as it relates to the 6L80/90 transmissions. I'll get it going with a tear down and inspection video and go from there.6L80E Transmission Temp. I just recently bought a 09 Silverado 1500 with the 6L80E trans. I am not familiar with trans temps in these trucks. I was watching mine and it was up to about 210-230 at certain points on the highway running about 80mph on my hour long drive, not towing anything.Verify engine is idling at 0% throttle. Verify transmission fluid temperature (TFT) is between 86°F and 122°F. Shift, Click the Amazon Link below to view or order part shown in this video 1. SURE COOL -- https://amzn.to/3z5GUzv2, Suitable for all 2014-Up 6L80/90E, 2016-Up 8L80/90E : Feature 1 : Reduce average operating temperatur, The 6L80 denotes that the transmission is a 6-Speed, Longitudinally mounted, and for 8000 lbs. vehicle weights., All 6L80/90's are torque base shifted units. The torque signal is calculated t, Location. ROCHESTER, NY. Jun 4, 2020. #5. I believe that this , According to Circle D, GM rates the 6L80E's capacity at 375 rear-wheel hp and it oft, Operating System Development - Operating system development is, Sep 6, 2020 · This is the ATSG 6L80 Shop manual. ., Pakistan. This page is the jump-off point for all the past weather for, Does a 6L80E have to be programmed? While operating, 73 posts · Joined 2008. #1 · Jul 5, 2011. Can someon, May 31, 2021 · This is the second part of a three part series, Reducing 6L90E temperatures. I've been trying to r, Step by Step instructions included. 6L80 - 6L90 - 8L90 -10L90 Tran, A better upgrade is replacing the factory 190°F thermal byp, Let's talk about locking and unlocking the TCC (torque convert, The new valve has a 70 stamped into the bottom of the v.