2018 silverado transmission thermostat delete

Apr 6, 2022 · #1 Anybody install the new trans cooler thermostat ( TSB GM # 21-NA-199) on their truck? I’ve seen DIY thermostat hack on Youtube to bypass the thermostat. Supposedly the new thermostat opens at 158 degrees and keeps the transmission from reaching the usual 190+ temps.

2018 silverado transmission thermostat delete. This is an improvement from 90 reported issues with the 2017 Silverado model. However, more 2019 Silverado transmission problems may get reported as the trucks pass the 100,000-mile mark. The most common transmission issue includes slamming into gear. One driver noticed that their Silverado 1500 slammed into first and …

This master overhaul transmission kit comes with the following rebuild parts: Full Transtec overhaul gasket set; Complete set of friction clutch plates; ... Silverado Truck 1500, 2500 2008-2017; Suburban 1500 2009-2017; Tahoe 2009-2017; GMC. Canyon 5.3L 2008-2012; Savana Van 2500 2009-2017; Sierra Truck 1500, 2500 2008-2017;

Help support me here! ⬇ The SURECOOL is a musthave for the 14+ 6L80 and 6L90 transmission. From the factory, they have a cooler thermostat that doesn't open until …2018 Silverado 4×4 1500. Transmission was shuddering, so I changed the transmission filter and fluid. 7,000 miles later when I start out cold mornings, Transmission jerks. I am done buying GM junk. I have bought GM all my life and I’m 69. I went out and bought a Toyota and love it. I am trying to steer my kids to buy Toyota.Superior STL010. Fits all 2014-up 6L80/90E AND NOW FITS 8L80/90E 2016-up. Superior’s Cooler Flow bypass valve kit with TransLab’s patented and patent pending Flow~Control™ cooler bypass technologies allows full time cooler flow and lube to parts “so you’re not hot under the collar”…you’re SURE~COOL®. After researching, I found out that the 2018 Suburban with the 6L80E has a transmission cooler thermal bypass valve from the factory. It does not allow fluid flow to the cooling lines to the transmission cooler located on top of the hvac condenser until the fluid temp reaches 190F.Apr 3, 2018 · Use a bit one size smaller than the shank of the screw for tight threading. Drill until the bit pushes through the plastic. Now thread the screw in until the head is about 1/8" from flush with the thermostat housing. You will use the head to pry the plastic part out. I used wire cutters to pull the plug out. In this video I will show you have to replace a 6l80 thermostat due to the overheating problems with the 6l80. If you haven’t done this or thought about doin...Type: Six speed RWD / AWD, electronically controlled automatic overdrive transmission with torque converter clutch. Clutch-to-clutch architecture, with integral Electro / Hydraulic Controls Module ...

Jan 28, 2022 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ... 10 ft-lbs. Transmission Drain Plug Torque Specs. 15 ft-lbs. Flywheel to Converter Torque Spec. 46 ft-lbs. Bell Housing Bolts Torque Spec. 35 ft-lbs. 1500 transmission bolt torque specs, common problems and repairs. Transmission oil pan removal, trans filter change, connecting the engine and trans together.2015 Silverado Transmission Thermostat Delete Its kind of like a black box but under less severe. Its good in heating up the fluid faster but during a heat ...Oct 5, 2021 · But when I called the dealer to order the new part, they said that the 8 speed is the same and there is a tsb for that as well. My scan tool only showed the one for the 6 speed, but I'll try and grab the TSB number for the 8 speeds tomorrow when I pickup the new bypass valve. 2015 Duramax, 1986 M1031, 2006 1500HD. Reply. Oct 7, 2020 · The WCFab Transmission Cooler Thermostat Bypass Plug is a quick and easy install and will work with the following range of GM vehicles equipped with a factory installed transmission cooler thermostat bypass (6L80, 6L90, 8L90): 2017-2019 Chevrolet Silverado & GMC Sierra 2500HD/3500HD with 6.6L Duramax Diesel Oct 7, 2020 · The WCFab Transmission Cooler Thermostat Bypass Plug is a quick and easy install and will work with the following range of GM vehicles equipped with a factory installed transmission cooler thermostat bypass (6L80, 6L90, 8L90): 2017-2019 Chevrolet Silverado & GMC Sierra 2500HD/3500HD with 6.6L Duramax Diesel

Wehrli L5P Duramax Billet Anodized Transmission Cooler Thermostat Bypass Plug · CNC Machined Billet Aluminum Thermostatic Bypass Plug · Black Anodized Finish ...Cooler Flow Bypass Delete Kit Fits 2014-on 6L80, 6L90, 2016-on 8L90, 2017-19 Allison.10 ft-lbs. Transmission Drain Plug Torque Specs. 15 ft-lbs. Flywheel to Converter Torque Spec. 46 ft-lbs. Bell Housing Bolts Torque Spec. 35 ft-lbs. 1500 transmission bolt torque specs, common problems and repairs. Transmission oil pan removal, trans filter change, connecting the engine and trans together.The automatic transmission in my 2018 5.3L Chevy Silverado is now running nice and cool. I was frequently getting to 200 degrees F even without a trailer but now I am staying under 140 without load and below 165 with moderate load. I will note that I did a transmission fluid flush and filter change at the same time.The 2018 is the most reliable Silverado since the 2014 redesign, but it does have transmission and brake problems. 2018 Chevrolet Silverado 1500 Faces …Engineering: https://www.mishimoto.com/engineering/ Facebook: https://www.facebook.com/GoMishimotoTwitter: https://www.twitter.com/mishimotoInstagram: https:...

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2013-2014 Ram 6.7L Diesel 2500/3500. In-Stock. Full Send Diesel FSD-1318-TLKBP Bypass Transmission Line Kit. $278.99. ★★★★★. Vehicle Fitment: 2013-2018 Dodge 6.7L Diesel (For Factory Or Mishimoto Transmission Cooler) In-Stock. Full Send Diesel FSD-1318-TLKF Replacement Transmission Line Kit.At 20p degrees it feels like transmission is slipping. many NEW GM has transmission issues . probably china components in the tranny .. you have to suckflush out all the tranny fluid and replace the filter .. then drive it several hundred miles .. drop the pan and see if the fluid/debris is clean or more muck..Transmission Fluid Cooler Pipe Seal Replacement (Silverado 1500 / Sierra 1500 New Model) Version 4 Modified Released January 25, 2018 April 17, 2018– Updated the transmission information and Correction section and added breakpoint dates. September 27, 2018 – Added the 2019 Silverado 1500 (New Model) and Sierra 1500A good example is the 2020 Silverado 1500 10-speed transmission problems. But to keep things simple, a 6-speed transmission from the 2018 Silverado can be great, easy to accelerate, and fast. 2018 Silverado 6 Speed Transmission Problems & Solutions. With the 2018 Silverado, there are 5 major problems you might come across after using it for a ...

In this video make sure the steps and procedures necessary to replace the transmission cooler line assembly on a 2014 Chevy Silverado. He’s procedures will b...Transmission Oil Cooler Kit 99-13 Chevrolet Silverado 1500 $ 472.00. Big 3 Racing C7 Z06 Heat Exchanger Tank. ... BMR F-body A/C Delete Plate, 1993-02 Camaro, Red Powdercoat $ 109.95. BMR Polished Stainless Radiator Cover ... Concept One Thermostat Housing for LS1 and LS2 water pump (Black Anodized)Improved Racing Transmission Cooler Adapter With Thermostat - 140°F $ 199.00. KATECH 160 DEGREE GEN 5 LT THERMOSTAT $ 79.49. Mishimoto 99-14 Chevrolet Silverado 1500 V8 Aluminum Radiator ... Magnuson 2014-2018 Silverado/Sierra 5.3L L83 Direct Injection TVS1900 Radix Supercharger System $Just delete the thermostat on the trans. Completely useless, they don't bother "opening" until 190* which is already hard last n a transmission. Google 2018 Silverado …Chevy Silverado Trail Boss Forums. Trail Boss Problems and Issues. Here is the place to discuss any problems or issues with the Trail Boss. 1; 2; 3 … Go to page. Go. 12; Next. 1 of 12 Go to page. Go. Next Last. Filters. Show only: Loading… W. Auto 4wd. Will68; Saturday at 1:38 PM; Replies 4 Views 98. 25 minutes ago ...Chevy Silverado Trail Boss Forums. Trail Boss Problems and Issues. Here is the place to discuss any problems or issues with the Trail Boss. 1; 2; 3 … Go to page. Go. 12; Next. 1 of 12 Go to page. Go. Next Last. Filters. Show only: Loading… W. Auto 4wd. Will68; Saturday at 1:38 PM; Replies 4 Views 98. 25 minutes ago ...What you need to know about GM Chevy transmission cooler line removal.Disclaimer: Under no circumstances will proclaimliberty2000 be responsible or liable in...RoadKing75 Discussion starter · Nov 27, 2018. I have had my 2018 Silverado LT Crew Cab Z71 for about two months. It has the 6 speed automatic transmission. It hesitates, lags, wanders and is woefully indecisive when shifting particularly at speeds under 55mph. I travel mostly during rush hour and there is a lot of …Jan 28, 2022 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ... Superior STL010. Fits all 2014-up 6L80/90E AND NOW FITS 8L80/90E 2016-up. Superior’s Cooler Flow bypass valve kit with TransLab’s patented and patent pending Flow~Control™ cooler bypass technologies allows full time cooler flow and lube to parts “so you’re not hot under the collar”…you’re SURE~COOL®.

If metallic debris is found, remove the transmission and replace the torque converter and filter. If metallic debris is not present, replace the transmission filter, reinstall the pan and perform a transmission fluid exchange (using DT-52263 Transmission Fluid Exchange Kit. Remove cooler lines and install the DT-52263-1 Block Assembly.

Nearly 175 Complaints Report Problems with Transmissions Overheating and Faulty Brake Pedals Requiring Extra Effort to Stop the Truck. At the time of writing, the National Highway Traffic Safety Administration (NHTSA) also lists nearly 175 complaints about the 2018 Silverado, which is remarkably lower than the 2017 Silverado, with 405 complaints, and the 2019 model, with 321.Sep 24, 2017 · For now, I have decided to keep things as they are. Supposedly, these trannys and the dexron VI are fine at the temps I see. Ideally though, I would like to modify the stock thermostat to simply open sooner, say about 160 or 170. On my thermostat (and another I bought "to play with") it is stamped "180" and with, what I believe, is a date of ... GM came up with a lower thermal temp bypass valve which opens at 158°F. You should consider replacing the factory 195°F with the 158°F thermostat. 2008 Sprinter 2500 170 - camper van. 2001 Suburban LT 2WD, 5.3, V8 311,000 miles, leaks oil now at rear main seal.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.A good example is the 2020 Silverado 1500 10-speed transmission problems. But to keep things simple, a 6-speed transmission from the 2018 Silverado can be great, easy to accelerate, and fast. 2018 Silverado 6 Speed Transmission Problems & Solutions. With the 2018 Silverado, there are 5 major problems you might come across after using it for a ...Replacing the Thermal Bypass Valve (thermostat) on GM 6L80 Transmission referencing TSB 21-NA-199. This Silverado went from running around 190 F to 145 F!!!...The most common 2023 Chevy Silverado problems reported by consumers thus far include: Engine issues: V8 engines are prone to engine lifter failure, and the 3.0-liter Duramax diesel inline-six engine may experience long crank and no-start issues. However, the 2023 model may have addressed the diesel engine problems with revisions.Apr 14, 2022 ... I installed this on my 2018 Silverado with 4.3L and it had NO effect, except slowing the temperature climb. Once the truck was up to normal temp ...Type: Six speed RWD / AWD, electronically controlled automatic overdrive transmission with torque converter clutch. Clutch-to-clutch architecture, with integral Electro / Hydraulic Controls Module ...

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Off-roading or driving in muddy conditions in your Silverado can also contribute to transmission overheating. Driving on rough terrain and steep inclines requires more power from your engine, which in turn leads to more heat in the transmission. Moreover, during off-roading, the transmission is subjected to constant shifting, causing …Automatic Transmission Cooler Bypass Valve Delete Kits, Aluminum, Includes Washers and Seals, 2019-20 Dodge/Ram, 6.7L, 68RFE/AS69RC, Kit. Part Number: BDD-1061527 Not Yet ReviewedTransmission Cooler Thermal Bypass Valve (TBV) For 2013-2018 6.7L Cummins Automatic ONLY 68RFE & AISIN AS69RC - Transmission Cooler Thermostatic Bypass Upgrade (SILVER) $4899. FREE delivery Sun, Sep 17. Or fastest delivery Sat, Sep 16.We are The Simple Solution™… And the problem solvers of the transmission industry. We are the innovators of new technology and procedures. We manufacture our products at our world headquarters in Tallahassee, FL. And yes “Made in …Oct 1, 2023 · 8L90 8 speed transmission thermostat TSB as well as Sure-cool thermostat problems? snakej200; Dec 14, 2022 ... 2018 Silverado 6.2L 8L90 8spd trans questions. snakej200; Off-roading or driving in muddy conditions in your Silverado can also contribute to transmission overheating. Driving on rough terrain and steep inclines requires more power from your engine, which in turn leads to more heat in the transmission. Moreover, during off-roading, the transmission is subjected to constant shifting, causing gears to ...Description. Details. Info. Add another measure of protection and increase fluid flow to transmission cooler. Increase cooling capacity with this easy-to-install billet aluminum PPE Transmission Fluid Thermal Bypass Valve for the GM 6L80 6-Speed transmission. The OEM part has restrictive internal passages.For now, I have decided to keep things as they are. Supposedly, these trannys and the dexron VI are fine at the temps I see. Ideally though, I would like to modify the stock thermostat to simply open sooner, say about 160 or 170. On my thermostat (and another I bought "to play with") it is stamped "180" and with, what I believe, is a date of ...The new valve has a 70 stamped into the bottom of the valve. The “70” stamp is visible on the valve when installed on the transmission. The revised TBV has a full open temperature of 158f (70c). The previous TBV had a full open temperature of 194f (90c). Bulletin No.: 21-NA-199. December, 2021. Page 3.Here is what I did. 2018 Silverado High Country 1500 6.2L which ... I installed the Trifecta tune with AFM delete in ... I purchased a Chevy Silverado 2018 LTZ and now my my transmission is bad ... ….

Part number is 86774933I picked mine up from here: https://www.gmpartsstore.com/oem-parts/gm-f-s-valve-86774933Shuddering Transmission. On a 2018 Silverado, the transmission might shudder when it’s cold. This is more common when you’re going uphill. It’s usually caused by a power reduction in your Silverado, and it automatically goes away after a while. The power reduction happens when the transmission slips while being cold, losing power. …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.125. 6.5K views 1 year ago. In this video we install the Superior Transmission Parts SURE-COOL thermostat delete for GM 6L45, 6L50, 6L80, 6L90, and 8L90 …A balance of performance and efficiency. The 10L90 is one of General Motors’ most advanced automatic transmissions, and its wider 7.39 overall gear ratio spread enhances off-the-line performance, with an aggressive first-gear ratio of 4.70. Three overdrive gears in the 10-speed enable lower-rpm highway, allowing your resto-mod or Pro Touring ...2016-2018 Silverado/Sierra, 2019 Silverado LD/ Sierra Limited (steel lines) 1 85547828 Silverado Sierra 2500HD/3500HD 1 85563685 2019-2021 ... may be necessary to remove the TBV to complete the transmission repair. Reference the Applicable Warranties section of the Investigate Vehicle History (IVH) for coverage information. ...2016. $4,100 – $5,900. 2017. $5,000+. 2018. $5,400 – $6,600. The transmission allows your vehicle to move by transferring energy from the engine to the wheels. Manual transmissions require the driver to shift the gears manually to alter the speed. Automatic transmissions perform this task without manual input.Cooler Flow Bypass Delete Kit Fits 2014-on 6L80, 6L90, 2016-on 8L90, 2017-19 Allison.Accept All Cookies. Superior's STL010 6L80E 6L90E SURE-COOL Cooler System is a recommended upgraded during any rebuild or as preventative maintenance to any HD GM truck or motorhome. Easy to install, save … 2018 silverado transmission thermostat delete, during any transmission repair, including Customer Concern Not Duplicated (CCND). Brand: Model: Model Year: VIN: Engine: Transmission: from to from to Chevrolet Express 2021 2021 SOP March 18, 2021 All MYC, MYD Silverado 2016 2018 EOP All Silverado LD 2019 2019 EOP All Silverado 1500 (New Model) 2019 2021 Fort Wayne: March 16, 2021, 5.3 (L82 ... , Here is what I did. 2018 Silverado High Country 1500 6.2L which ... I installed the Trifecta tune with AFM delete in ... I purchased a Chevy Silverado 2018 LTZ and now my my transmission is bad ..., J. jcworks Discussion starter · Mar 27, 2021. I have a 2011 Sierra 4x4, 5.3 V8, 6 speed trans. Standard size street tires. I pulled a small bay boat to the Gulf in May or June. Boat, trailer, motor, etc. weigh about 2400 lbs. My question is about the safe trans temp. Last trip I noticed it ran around 175-190 degrees., What you need to know about GM Chevy transmission cooler line removal.Disclaimer: Under no circumstances will proclaimliberty2000 be responsible or liable in..., Use a bit one size smaller than the shank of the screw for tight threading. Drill until the bit pushes through the plastic. Now thread the screw in until the head is about 1/8" from flush with the thermostat housing. You will use the head to pry the plastic part out. I used wire cutters to pull the plug out., 6L80-6L90 Cooler Flow Bypass Valve Kit. By Transmission Digest. August 26, 2021. This Superior Bypass Kit from Transtar (p/n A104996-5K) allows full-time cooler flow and lubrication to parts. The kit reduces the risk of overheating while under load and increases transmission fluid life. Fits 2010-2021 GM applications with 6L80-6L90 …, Product Description. 68-RFE Trans Cooler Bypass Block, Fits 2013 and Up Cummins with 68-RFE or Aisin AS69RC Transmission. This is a Must for any truck that has a 68-RFE or Aisin AS69RC transmission in it. Dodge decides to incorporate a transmission cooler by pass valve into the cooling system of the 68-RFE and Aisin AS69RC that bypasses the ..., Jan 3, 2022 · In this video I will show you have to replace a 6l80 thermostat due to the overheating problems with the 6l80. If you haven’t done this or thought about doin... , A good example is the 2020 Silverado 1500 10-speed transmission problems. But to keep things simple, a 6-speed transmission from the 2018 Silverado can be great, easy to accelerate, and fast. 2018 Silverado 6 Speed Transmission Problems & Solutions. With the 2018 Silverado, there are 5 major problems you might come across after using it for a ..., Chevy Silverado Forum (GMC Sierra) I have had my 2018 Silverado LT Crew Cab Z71 for about two months. It has the 6 speed automatic transmission. It hesitates, lags, wanders and is woefully indecisive when shifting particularly at speeds under 55mph. I travel mostly during rush hour and there is a lot of stop and go driving so I..., ... Transmission Service as Preventive Maintenance. Overall Trans Temps Run 20% Less ... I just took my 2015 Silverado on a 670 mile road trip. I have the 6l80. I ..., Here are the most common P0128 fixes: Replace thermostat. Add engine coolant. Replace cooling fan. Repair/replace wiring or connector. Replace coolant temperature (ECT) sensor. Replace the intake air temperature (IAT) sensor. RELATED: 6 Causes of a Cold Lower Radiator Hose (& How to Fix it ), Apr 14, 2022 ... I installed this on my 2018 Silverado with 4.3L and it had NO effect, except slowing the temperature climb. Once the truck was up to normal temp ..., Transmission Cooler Thermal Bypass Valve (TBV) For 2013-2018 6.7L Cummins Automatic ONLY 68RFE & AISIN AS69RC - Transmission Cooler Thermostatic Bypass Upgrade (SILVER) $4899. FREE delivery Sun, Sep 17. Or fastest delivery Sat, Sep 16., I just had the service bulletin with the 70c thermal bypass valve done three weeks ago at the dealer on my 17 Silverado 1500 5.3l 6spd. Put on about 1200 miles since then and the temps stay in the mid to upper 140’s now. I towed around 2500-3000 pounds for a few days and the temps stayed below 160. Transmission used to run between 190 …, Special Coverage Adjustment - In some circumstances, some 2014-2018 model year Cadillac Escalade, Chevrolet Silverado, Chevrolet Suburban, Chevrolet Tahoe, GMC Sierra, and GMC Yukon vehicles may ..., 93 posts · Joined 2021. #1 · Jan 10, 2022. I’ve heard some chatter that GM released an updated thermal bypass valve for the 60l80e 6 speed transmission. The updated valve is suppose to allow the transmission to run cooler. Opening at 158 degrees instead of the 194 degrees F. I can’t find an updated part though., Understanding the basic functionality of the thermo and when it works it seems that even if the Mishimoto cooler could cool things down below 190 the thermo would close thus voiding any continuous cooling. Yesterday I went ahead and deleted the thermostat by reversing the plug (no drill, tap and plug)., Check to ensure no debris has entered into the bottom of the housing.The new thermostats should have the new seals installed on the bottom. If not simply install the seals into the bottom of the housing and place the thermostats on top. The thermostat with 2 small holes in it goes into the rear spot., Replacing the Thermal Bypass Valve (thermostat) on GM 6L80 Transmission referencing TSB 21-NA-199. This Silverado went from running around 190 F to 145 F!!!..., Step 1 – Drain the old anti-freeze coolant. The coolant reservoir is located on the passenger's side of the engine compartment. It has a cap on it and it is labeled. It's not recommended to remove that cap until the engine is all the way cooled. You'll find a drain plug on the radiator on the driver's side., Aug 14, 2020 ... Give your 2017-2019 L5P Duramax Allision Transmission what it needs to keep cool with WCFab's transmission cooler thermostat bypass plug., The average price of a 2018 Chevrolet Silverado 1500 Double Cab transmission repair and replacement can vary depending on location. Get a free detailed estimate for a transmission repair and ..., Silverado 6L80 Thermostat Delete the Right Way! *SURE-COOL*. Help support me here! ⬇️ https://linktr.ee/Vaught.edits The SURE-COOL is a must-have for the 14+ 6L80 and 6L90 transmission. From ..., A cost-effective cooler flow bypass delete kit from TransGo. By Transmission Digest. May 19, 2021. TransGo introduces their drop-in Cooler Flow Bypass Delete Kit for General Motors 6L80, 6L90 2014-on, …, Automatic Transmission Cooler Bypass Valve Delete Kits, Aluminum, Includes Washers and Seals, 2019-20 Dodge/Ram, 6.7L, 68RFE/AS69RC, Kit Part Number: BDD-1061527 Not Yet Reviewed, Debris in the stock cooler bypass valve can cause it to jam the internal valve keeping it in recirculation mode. When this happens the transmission temperature will rise and can lead to overheating and premature transmission failure. The BD Cooler Bypass Delete keeps the transmission cooler operational all the time and eliminates this failure ..., Silverado 2018 Silverado LD 2019 2019 Silverado 2500/3500 Silverado 1500 (New Model) 2019 2020 Tahoe 2015 GMC Savana 2015 2020 Sierra 2018 Sierra Limited ... From the DT-52263 Transmission Fluid Exchange Kit, remove cooler lines and install DT-52263-1 Block Assembly. 2. Put drain hose into GE-47716-2 Graduated Bucket. 3. Lower the …, Sep 24, 2017 · For now, I have decided to keep things as they are. Supposedly, these trannys and the dexron VI are fine at the temps I see. Ideally though, I would like to modify the stock thermostat to simply open sooner, say about 160 or 170. On my thermostat (and another I bought "to play with") it is stamped "180" and with, what I believe, is a date of ... , Dec 5, 2021 ... I put the bypass on my 4th generation 6 speed, it runs 30 to 50 degrees cooler. I received some feedback from an "expert" that it's bad for ..., Dec 22, 2019 · It's an easy swap.....took about 35 minutes the first time.....about 20 minutes when I changed it back today. It'd be easier for me if I didn't have mongo hands and arms. Some of you "girlie" men would have a much easier time contorting your arm around the front driveshaft and kitty to remove and re-install this thermostat. , Introduced in 2015, with a major update in 2018/19, the 8L90 is starting to appear in shops around the country. Used in numerous GM car and light truck applications, the 8L90 transmission and its little brother the 8L45 are a challenge even for the most experienced dealership or repair shops. The 8L90 can be identified […], Your Chevrolet Silverado is a useful, rugged-looking truck that drives more like a car. A faulty thermostat prevents drivers like you from getting the performance and handling you rely on by causing temperature problems in your engine. A new Chevrolet Silverado thermostat from AutoZone keeps your truck performing like it should.