8l90 transmission pdf. Chevy Silverado 3 (2014-2018) Torque Spec Settings.

Shipping is free, but there is a delivery fee for residential addresses. 725. The 8L90 actually ways less than the Corvette 6L90 and fits the same space as the 6L80 INFORMATION. The 8L90E fits only the GEN V LT1, LT4 or LT5 engines. rator has selected. Each switch is supplied a 9 V reference circuit, and a signal c. The manufacturer creates a “genealogy” table or data history for the transmission and vehicle, using the part unique number (PUN) (figure 1 This video is part two of a three part series on the overhaul of the GM 8L90 transmission. The TCM uses a unique current modulation algorithm to control solenoid flow. Discard all oil. Delete Thermal Bypass Valve if equipped. National Highway Traffic Safety Administration Apr 1, 2015 · Reprogramming Procedures for the 8L90 8-Speed Transmission All-New 8L90 8-Speed Transmission – continued from page 2 signal circuit and a low reference circuit to the input speed sensor . General Motors has issued several technical service bulletins pertaining to torque converte. Learn more. Subject: Information on Surge, Chuggle, Misfire, Fishbite, Shudder Feel During Driving Maneuvers. The upper clip may be moved to facilitate mounting. The signal circuit for each gear selector position will have either a voltage May 11, 2024 · Automatic Transmission Service Group - ATSG Techtran rebuild manual. 1x SuperMatic 8L90-E Eight-Speed Automatic Transmission for LT4 (Slip Yoke) $5,989. INFORMATION. Manufactured with upgraded High-Performance Blue AEM material for superior thermal and chemical resistance with better fit and performance. Without further ado, we will now assess the prolific problems associated with this transmission and how to address and enhance them. Direct fit with OEM 8L90 8-speed transmission and fluid lines. Supermatic 8L90 Transmission Controller Kit IR 02AU19 PART No. Allomatic transmission filters meet or exceed OEM requirements and provide consistent, reliable protection for every rebuild and meet the challenge of tough OE quality testing. com/thompsonautotest123/☕ Buy me a coffee : https://ko-fi. Install transmission to the engine using 6 -11515768 bolts as shown. With a wide 7. October 01, 2021. Connect the transmission vent hose (P/N 24280351) to the transmission and route so the top of the hose is a minimum of 4 inches above the center bolt of the transmission. If the bolts are removed, discard and replace them with new ones. Now Includes the Full Synthetic Transmission Fluid For Free! INCLUDED FREE - No Fault Warranty A 1-time no questions asked repair or replacement. The 8L90 transmission can be paddle shifted and features 4. 03 6L80 gear ratio. Switch the TransFlow DT-45096 to Flow and start the engine: 18. The 8L90 transmission is still in use today, but is slowly retiring in exchange for the 10L80 and 10L90 transmissions. Cause. Overhaul Kit. 8-SPEED AUTOMATIC. 2L CONNECT & CRUISE POWERTRAIN SYSTEM. The next eight-speed automatic to hit the streets came from ZF in late 2009 and Aug 13, 2019 · The GM 8L45 eight-speed automatic transmission. 715 LB-FT TORQUE LIMIT. Typically, the transmission shifts fine until the transmission fluid temperature exceeds 110 °F (43°C) but as it gets warmer the shift becomes more Information about GM's 8-speed 8L45 M5N Hydra-Matic transmission, including details, specifications, vehicle applications, and more. This condition is due to the initial clutch fill time of the 2-3-4-6-8 (C4) clutch. The 515685 8L45, 8L90 Transmission Filter is a replacement for OE part 24268875, 24274402. The 8L90/8L45 transmissions utilize five clutches to provide eight forward ©2024 Sonnax Transmission Company, Inc. Add to cart. Superior offers our original and genuine Sure~Cool® SYSTEM Cooler~Flow™ bypass valve kit with TransLab’s patented and patent pending Flow~Control Chevrolet Performance has adapted the production-based 8L90-E eight speed automatic transmission for use with the LT1 and LT4 crate engines. 0:1 overall ratio helps enhance cruising efficiency. Subject: Information on 6L80 6L90 8L90 10L80 10L90 10L1000 Equipped Vehicles With A Harsh Shift, Shudder, Surge, Stall, Neutral/Flare, Transmission Overheating and/or High Transmission Fluid Temperature. Useful for both professional mechanics and DIYers. 2. The Hydra-Matic 8L90 (production code M5U) is a fuel-saving and electronically controlled eight-speed automatic transmission developed and produced by General Motors for use in rear- and rear . 2 (L86) and Transmission RPO 8L90 (M5U) (M5X) (MQE). The first table contains the most-used torque settings. 1. The tables after it contain all torque spec values I could find. This comprehensive, professional technical manual is the Transmission: Subject: Application: Issue Date: 8L90 Internal Mode Switch Codes GM RWD 2015-Up September, 2019 Technical Bulletin #1925 8L90 Internal Mode Switch Codes There are 27 different trouble codes that can be produced related to the IMS signal/sensor. Protectant significantly reduces torque converter clutch shudder and slippage. Oct 1, 2021 · GM 8L45, 8L90 Valve Body Layout. Covers Shipping, Freight claims, Installation errors, overheating and more! Monster Sale Price: $5,042. with on both the 8L90 and 8L45. 19418254. Parts Information Description Part Number Qty Trans Model Component Number in Disassembled Views GASKET-A/TRNS FLUID PAN 24260071 1 (if required) 8L45/8L90 48 BOLT/SCREW-A/TRNS FLUID BFL 11548404 2 8L45/8L90 12 BOLT/SCREW-A/TRNS CASE FRT CVR 11548201 11 8L45 NOTES: These harnesses are designed for retrofitting ’14 – 18 LT4 GEN V engines with a 8L90E automatic transmission into older muscle cars and street rods or newer non-emissions controlled vehicles. Chevrolet Performance has adapted the production-based 8L90-E eight speed automatic transmission for use with the LT1, LT4 and LT5 crate engines. The 8L90 transmission contains a total of nine (9) individual solenoids installed in various bore locations on the lower control valve body assembly. Our continued development in custom modifications and billet upgrades makes your choice an easy one. This procedure is available on all 2015-2021 MY Trucks, Cars and SUVs with 8L45 and 8L90 Automatic Transmissions (RPOs: M5U, M5T, M5N, M5X, MQD, MQE). . These transmissions suffer from torque converter clutch shudder during acceleration between 25 – 80 mph. 24260071, 24268875, 24274402. This custom built Mega Monster Transmission is Engineered to Dominate, while ensuring stability. 8L90-E for LT5 Gear Ratios. The 258-millimeter torque converter is based on the 6-speed transmission, modified to use an off-axis fluid pump. Superior® Sure~Cool® STL010Ⓡ system with Lube~Loop™ Cooler~Flow™ active bypass, US Patent # 11. Every clutch may not need to be learned. Designed and built by GM, the 8L90 automatic transmission offers increased efficiency and lighter weight compared to the previous 6L90 Hydra-Matic six speed transmissions. pdf), Text File (. There are 2WD and 4WD versions and the case assembly is substantially different between Corvette and truck applications at the Bell housing area. In this video, I cover the mechanical operation and powerflow. The latter device, which regulates fluid flow into-and-through the transmission based on driving style, operates under two output levels – low and Dec 15, 2022 · A 2016 Honda CRV 2. A slip-yoke design to be used with the LT4 engine. Problem #1 - The Torque Converter. This procedure is completed in the service stall and no vehicle driving is required. April 06, 2022. Year. 3. The 8L90’s pump is located lower in the case, inside the valve body (figure 4). 4L (Figure 1), using a BLJA CVT 4WD transmission (Figure 2) comes in to a shop with a customer complaint of a leak. Date: August, 2023. FREE SHIPPING ON ORDERS OVER $100. 56 1st gear ratio compared to a lesser 4. 0, via Wikimedia Commons. 8L90-E Eight-Speed Automatic OEM Transmission (Stock Build) 3Yr Warranty*/Unlimited Mileage Warranty. It will be updated with the status of what to do and when complete or aborted. GENERAL MOTORS. cation and FunctionThere are nine solenoids located on the 8L90 valve body, seven variable force pressure control (PC) and two o. Complete the clutch drive learn procedure for the suspect clutch(s) based on the bookmarks placed in the GDS2 session. 20; Discount: $514. No image available. The 1-2-7-8-Reverse (S1), 2-3-4-6-8 (S4), 4-5-6-7-8-Reverse (S5) and Line Pressure solenoids are. Dec 1, 2020 · • Transmission Control Module • Configuration / Reset Function • Transmission Service Fast Learn Transmission Service Fast Learn is the recommended method to reset and relearn adapts. Chevrolet Performance has adapted the production-based 8L90-E eight-speed automatic transmission for use with the LT1 and LT4 crate engines. Circle D Transmission is ready to turn your 8L90 into a performance beast. Connect the transmission vent hose retainer (1) to the transmission bolt. In this video, I cover the disassembly of the transmission and wh Oct 4, 2021 · Thanks for watching!📱 Facebook: https://www. Jan 1, 2024 · Chevrolet Performance has adapted the production-based 8L90-E 8-speed automatic transmission for use with the LT1, LT4, and LT5 crate engines. A part unique number (PUN) is located on the valve body and solenoids and a transmission unique number (TUN) is loc. It features clutch to clutch shifting which provides eight forward and one reverse gear. Apr 28, 2021 · GM 8L90 – The Other 8 Speed Automatic: Part 1. ft strategy. The Aisin Corp. When GM developed the 6L80/6L90 transmission series, they were loosely based upon the ZF 6HP family of transmissions. This allows a high first-gear ratio for improved acceleration, as well as a lower final gear ratio, which increases fuel efficiency and decreases engine rpms, sound, and wear-and-tear. Switch (continued)The IMS indicates to the TCM which gear position the vehicle op. Refer to Transmission Replacementin SI. • A Marmon/Berkshire Hathaway Company The products listed here may be protected by one or more patents or be patent pending. of type solenoids. Sonnax valve body layouts provide a detailed overview of individual units making it quick and easy to determine what’s available for the specific valve body you’re working on. ion and StrategyThe 8L90 transmission solenoid identification and strategy is similar to what Ford is doing with the 6R140W, also known as t. Seven (7) of the nine (9) solenoid valves are used to control pressure regulation and direction of transmission fluid. 20 (12. e Torqueshift 6. Remove the transmission jack from under the vehicle. You should consider replacing the factory 195°F with the 158°F thermostat. HE RIGH T SOLU T IONSThe GM 8-Speed TCC Shudder SolutionTHE RESULTS ARE CLEARLubegard Platinum AT. 28. 8% off) Sale Price Oct 11, 2019 · The 8L90 can be identified by the following RPO codes, M5Q, M5X and new for 2019, MQE while the 8L45 is identified by the RPO codes, M5T, M5N. 0 overall gear ratio, smaller steps between gears, and numerically higher 4. 11. Photo shown on transmission is of the 1st generation 6L80E shifter which was revised in June, 2024 to the new style. Buy in monthly payments with Affirm on orders over $50. One example of how time flies by is the fact that there has been an eight-speed automatic transmission on the road since 2007. We offer a Technical Hotline, Books, Software, Bulletins, Wiring Diagrams, Seminars, and Technical Courses to the Automatic Transmission Professional. GM 8L transmission. It is designed for use in longitudinal engine applications attached to the front-located engine [1] with a standard bell housing. GM 8L45, 8L90 Vacuum Test Guide. It also uses a four element lockup torque converter, four planetary gear sets 8L90 Speed Sensor Locations There are three (3) speed sensors for the 8L90: ─ Input Speed ─ Intermediate Speed ─ Output speed Torque-to-yield bolts are used to retain the speed sensors. 3, V8 311,000 miles, leaks oil now at rear main seal. Remove any existing linkage from the transmission selector shaft and the steering column. strap from the transmission bell housing. * ATSG is a technical support service specifically for the Automatic Transmission Industry. The hard 1-2 and/or 5-4 shift you are experiencing may be temperature sensitive. rcuit from the TCM. Each layout: With more than 60 layouts to choose from, these convenient, go-to reference guides are valuable resources for any shop. com/thompsonautotest HYDRA-MATIC 8L90 Manual - The 8L90 transmission is a fully automatic eight speed rear wheel drive transmission that is available in both two and four wheel drive configurations. Some customers may experience a flare condition on the first 1-2 shift of the day or after the vehicle Search by Vehicle. Chevy Silverado 3 (2014-2018) Torque Spec Settings. CAUTION! and StrategyClearly mark each solenoid to indicate what bore it is in bef. The all-new 8L90-E 8-speed automatic transmission joins the SuperMatic™ 4L75-E and T-56 Super Magnum manual transmission as an option for the LT1 and LT4 crate engines. This is a complete GM 8L90 technical repair service manual put together by the ATSG to cover the procedures for transmission inspection, repair, disassembly, rebuilding, diagnosis and troubleshooting. According to TSB (Technical Service Bulletin) 18-NA-355, the latest update addresses “torque converter clutch (TCC) shudder conditions on 8L45 and Aug 20, 2014 · Starting with a ratio spread of 7. 0 (LM2) Diesel. August 02, 2022. Aug 24, 2017 · Step 2: Drain, Fluid Fill, & Circulate New Fluid. Features: Maximizes fluid flow to and from the transmission cooler. 32. Service plug with Neodymium magnet and O-ring seal. A numerically high 4. all-efect switches. : 22-NA-182. com/thompsonautotest LT4 6. Currently, GM offers two models of eight-speed transmissions, the light-duty 8L45 and heavy-duty 8L90. Simply move to the gated position and bump the shifter to override what gear you're in. A numerically higher 4. Brand: Model: Model Year: VIN: Engine: 8L90 Performance Transmission Options. Step 2:Install the splined trans arm bushing onto the transmission selector shaft with the open end facing out. Add a maximum of 4 quarts of HP Fluid to the transmission, turn the TransFlow switch to idle once 4 quarts have been added, while allowing 4 additional quarts of oil to fill the DT-graduated bucket (Reducing fluid level in the TransFlow from 16–12). 8L45 and 8L90 Raybestos Powertrain RPT shift-pro premium transmission filter kits eliminate leaks and reduce overall labor time. PIP5700A 8L45 8L90 Internal Wiring Harness Part Numbers By Application Models Brand: Model: Model Years: VIN: Engine: Transmissions: from to Cadillac ATS Models 2016 - 2019 All All All M5N M5T M5U Cadillac CT4 Models 2020 All All All M5N Cadillac CT6 2016 - 2018 All All All M5N M5X Cadillac CTS Models 2016 - 2019 All All All M5N M5U Provides tap shift control for the GM 8L90 transmission when in sport mode. If replacing an 8L45 or 8L90 valve body, make certain to not install a stop-start valve body on a non-stop-start transmission/vehicle. 2001 Suburban LT 2WD, 5. 00—up from 6. With the engine running, shift the transmission to the Drive position with the brake applied. Description. GM 8L45, 8L90 Valve Body Layout. Many vehicle owners with the stock 8L90-E have reported an inherent “shudder” issue and harsh shifting problems with the transmission. 2 a. ATSG part number: 8L90 Book type: Rebuild and overhaul Covered models: 8L90, 8L45, 8L90E, 8L45E Hydra-Matic, 8 speed automatic Mar 28, 2021 · The 2015 (and later) C7 Corvette’s eight-speed transmission, formally referred to as the 8L90E, was constructed of four gearsets, a pair of open clutches, and an industry-first binary-vane pump. In addition, we are seeing issues with the 5-4 shift on the 8L45 applications. Apr 23, 2014 · On the surface, there are many similarities between the ZF 8HP transmission family and the GM 8L90. Transmission Fluid Temperature Sensor The transmission fluid temperature sensor measures the tempera- Product Details. 8-Spped Transmission Check Engine Light Models: 2017 Cadillac ATS, CTS, CT6, Escalade, Escalade ESV 2017 Chevrolet Camaro, Corvette, Silverado 2017 GMC Sierra, Yukon, Yukon XL Equipped with Auto Transmission 8-Speed, 8L90 and 8L45, BAS+ (M5U, M5X, M5N, M5T) To: All General Motors Dealers General Motors is releasing Service Update 17098 today. FOR THE RIGHT FLUID AND THE RIGHT SOLUTIONS The GM 8-Speed TCC Shudder Solution. facebook. Observe scan data to determine if the sensor issue is intermittent. Subtotal $5,989. Parts Information Description Part Number Qty Trans Model Component Number in Disassembled Views GASKET-A/TRNS FLUID PAN 24260071 1 (if required) 8L45/8L90 48 BOLT/SCREW-A/TRNS FLUID BFL 11548404 2 8L45/8L90 12 BOLT/SCREW-A/TRNS CASE FRT CVR 11548201 11 8L45 GENERAL MOTORS 8L90Solenoid L. After repairs and installation were completed, during the road test the transmission lost fourth through eighth gears and shifts from third to neutral. Compared to the 8L90, the 8L45 is smaller and lighter while GM OEM 2016-2017 GM 8L90 Automatic Transmission Assembly, Remanufactured - 19433290. I describe the tr transmission 8 Speed (8L90) - 194F (90C)– TBV is external to the transmission 10 Speed (10L80, 10L90, 10L1000)– 143F (61C) – TBV is within the valve body on all listed applications expect those equipped with 3. gures 1 & 2)and TUN (transmission unique part number) for performance and sh. Model. The TUN is located on a tag on the side of the trans. To Learn C4 (For 1-2, 5-6, or 7-8 Shift) 1. April 21, 2021 • Transmission Control Module • Configuration / Reset Function • Transmission Service Fast Learn Transmission Service Fast Learn is the recommended method to reset and relearn adapts. General Motors has released technical guidance regarding a shudder issue caused by improper transmission fluids in their 6L90, 8L90 and 10L90 transmissions. The speed sensor produces a square wave signal . How to Identify 8L90 Input Shafts. A. ) Remove the transmission fluid pan and drain transmission fluid again. 3L Engine (RPO L83) Condition Some customers may comment on one or more of the following conditions regarding the 8L90 Automatic Transmission in their vehicle. This GM HYDRA-MATIC 8L90 Transmission Rebuild Manual: 2015-2020 is published by ATSG (Automatic Transmission Service Group) and printed in COLOR. Namely both use 4 gear sets, 5 shifting elements (3 clutches and two brakes), off axis pumps, and have roughly the same gear ratio spread at about 7:1 overall spread. 56 first gear ratio offers strong take-off performance while a double-overdrive sixth gear ratio of 0. The TCM is a standalone Delphi unit which is shared with several other GM applications such as the 9T, and 10L transmissions. beat everyone to the punch when they developed the AA80E for use by Lexus. With Continuously Variable Transmissions (CVTs) and Direct Shift Gearboxes (DSGs), planetary-based automatic transmission technology had to make advances in order to maintain relevance. The saturation dive is not about dealing with things that are on the surface. Fits all 2014-up 6L80/90E AND NOW FITS 8L80/90E 2016-up AND L5P ALLISON. The GM 8L90 Hydra-Matic 8-speed transmission can perform wide open throttle upshifts 8/100 of a second faster than Porsche’s DCT gearbox. Mar 23, 2023 · I don't think heat and electronics get along. The 8L90 was introduced in 2014 in vehicles like the Chevrolet Silverado / GMC Sierra pickups, the GMC Denali, the Corvette and Camaro, and several Cadillac applications. Condition 4: Wrong Valve Body. Leveraging direct injection and continuously variable valve timing, both of the LT engines deliver broad power bands with great 18. Jun 30, 2017 · The GM 8L45/8L90, 9T50 and 10L90 (RPOs M5U, M5T, M5N, M5X) use solenoids that may require a few different service procedures. Billet aluminum construction. All three sensors are part of a wiring harness that connects to the main harness going Jan 1, 2024 · A match for LT1, LT4 or LT5. Make. MSRP: $4,017. 96. The 8L90 is found in GM high-horsepower vehicles highlighted by the Corvette and common daily driven vehicles like the Yukon and Silverado. During the rebuild of an 8L90 Transmission, the internal wire harness was replaced due to a faulty transmission temperature sensor which is a common failure. SKU: 19419799 Categories: Chevrolet Performance, Shift Into Summer Rebate, Transmissions Automatic. Pressure Learns: Note: It is recommended to utilize a road with a speed limit between of 64-72 km/h (40-45 mph) for this procedure. A match for LT1, LT4, or LT5. ) Install the transmission fluid pan and refill with new transmission fluid using enough volume to have oil come out of oil level check plug. • Shift the transmission into 7th gear with the PRNDM in the M position. In addition, a CPA design converter is required to avoid vibration issues with the late model 8L90 DFM applications (figure 1), or for that matter, anything with DFM. On the LM2 Diesel the TBV is external to the transmission Version 1 Modified Released September 06, 2022 PART NUMBER: 125071000 GTIN: 840171223149. SKU: 8L90ATSG-Manual. 04 in the six-speed—the transmission development team used software to analyze power flow and help select the optimum gear ratios, which are 64. Step 1: Put the shifter and transmission selector shaft into the Park position. Related Articles – Watch out for high pressure in GM 8L45, 8L90 valve bodies – A part for every need: Hard parts supplier listing 2024 – Ford 8F24 Dec 6, 2022 · In simple terms, you must install the correct torque converter. The 8L90E from Chevrolet Performance is equipped with a slip-yoke design tail shaft. For more Feb 26, 2021 · The 8L90-E is equipped with a slip-yoke tail shaft for use with the LT1 engine and a fixed-yoke design for use with the LT4 and LT5 engine platforms. Obtain an engine speed between 1000 and 1750 rpm. 2 b. This video is part two of a three part series on the overhaul of the GM 8L90 transmission. Below you'll find the tightening torques for the Chevy Silverado 3 in both Nm and ft/lbs. Currently, GM offers two models of eight speed transmissions, the light-duty 8L45 and heavy-duty 8L90. 3 (L83) (L84), 6. 4 days ago · The Chevrolet Performance SuperMatic 8L90-E automatic transmission offers increased gear count. We’ve been a leader in the transmission industry since 1976. PART NO. Diagnosing the Infamous GM 8L45, 8L90 3-4 Neutral: Check Your Solenoid Wiring Harness Assembly. e removing! The 8L45 and 8L90 use solenoid and valve body PUNs (part unique numbers, F. Four gearsets for greater efficiency For model year 2016 and 2017 vehicles follow the information in bulletin 16-NA-019: Information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares. Engine. May 7, 2020 · PIP5700C 8L45 8L90 Internal Wiring Harness Part Numbers By Application Models Brand: Model: Model Years: VIN: Engine: Transmissions: from to Cadillac ATS Models 2016 - 2019 All All All M5N M5T M5U Cadillac CT4 Models 2020 All All All M5N Cadillac CT6 2016 - 2018 All All All M5N M5X Cadillac CTS Models 2016 - 2019 All All All M5N M5U GM 6L80/90, 8L90, & 10L90 Transmission Shudder During Acceleration. For model year 2016 and 2017 vehicles follow the information in bulletin 16-NA-019: Information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares. 2008 Sprinter 2500 170 - camper van. Export Regions Additional Options (RPO) Equipped with 8L90 Automatic Transmission and 5. The GM 8L90 and 8L45 transmissions were developed to replace earlier 6-speed automatic transmissions in General Motors rear wheel drive vehicles. Attention: This bulletin applies to Vehicles equipped with Engine RPO 5. Sep 28, 2021 · Thanks for watching!📱 Facebook: https://www. It is a hydraulic (hydramatic) design sharing much with the 8L 90 8L90 Adapt Information to Correct Harsh Shifts #1946 How to Adapt Your Transmission Transmission adapts can be reset and relearned on most vehicles through GDS 2 or other scan tools by using the Transmission Service Fast Learn procedure. Product specifics:. 8L90 DFM applications have an additional change affecting the front support and bushing. Hi-Per Blue® Piston for C1 (1-2-7-8-R). The IMS consists of 5 separate. This video is part two of a seven part series on the GM 8L90 transmission. It also uses a four element lockup torque converter, four planetary gear sets Mar 1, 2016 · A year later, the 8L transmission series had spread out to the Corvette and trucks such as the Silverado and Yukon. And it operates far smoother than a double clutch transmission, thanks to the turbine dampers in the 8L90 torque converter. This moves the pump away from the center of the bellhousing, where it was on the 6L80 transmission. The two ON/OFF solenoid valves are only used to direct transmission fluid. Chevrolet Performance has adapted the production-based 8L90-E eight speed automatic transmission for use with the LT4 crate engines. They are completely plug and play with four wire hookup (switched power, constant power and ground connections required). Align the torque converter to flexplate. txt) or read book online for free. Jul 6, 2018 · Bill Martens, Chevrolet's Associate Marketing Manager, walks us through details of the Chevrolet Performance 8L90-E 8-Speed Automatic Transmission. As with many transmissions, the torque converter suffers Contents. The Hydramatic 8L 45 is an eight-speed automatic transmission built by General Motors debuting in the 2016 Cadillac CT6. Please select one of the options below for more information. Connect the electrical wiring harness retainers to the transmission to engine fasteners and to the transmission case. In this video, I cover the assembly of all components, and how to Dec 12, 2022 · Sonnax offers drop-in pressure regulator and shuttle valve kit 154740-02K for the OE lineup in instances of worn valves/sleeve/casting. 8L90. service manual 2016 2016 L83 8L90 Involved Region or Country North America and N. GM came up with a lower thermal temp bypass valve which opens at 158°F. 04-15-24 8L90 Control Solenoid Body 3 10 6 12 4 11 7 2 1 8 3 3 9 8L90 Upper Valve Body Drop-In Zip Valve ™ Parts 5 * VB-FIX Required † Recommended Tool GM 8L45, 8L90 24 GEARS January/February 2015. SuperMatic™ 8L90-E Eight-Speed Transmission. April 21, 2021. Aug 10, 2020 · Some customers may comment that the transmission exhibits a harsh 1-2 shift on the first shift of the day, typically under light throttle. The 8L90 ATSG rebuild / repair manual provides detailed transmission step-by-step DIY procedures and diagrams for the models listed below. The 8L90 transmission can also be manually shifted via steering wheel paddles. HYDRA-MATIC 8L90 Manual – The 8L90 transmission is a fully automatic eight speed rear wheel drive transmission that is available in both two and four wheel drive configurations. Ideal for commercial and DIY projects, RPT shift-pro filter kits come complete with OEM-sytle filters and OEM-style, re-usable transmission pan gaskets. 56 first gear ratio offers strong take-off performance while a wide 7. Information. 19419038 SHEET 2 of 36 Kit Contents: Kit P/N 19419039 (all quantity 1 unless noted) 19367133 - 8L90 Transmission 19419038 - I-sheet 19371498 - Harness 24284058 - TCM 23135703 - Seal 11588724 - Bolt 19418460 - Cooler Line Adapter 24289777 - Vent Tube 6R80 service manual - Free ebook download as PDF File (. 56 first gear, the 8L90 (AH2R) helps keep the engine within the sweet spot of the Feb 1, 2016 · The RPO code for the 8L90 is M5U. 65:1 helps optimize cruising efficiency . To exit tap shift mode, put the shifter back into "D" position. GM 8L90 Model Year 2019 S4/23468 Control Valve Changes. Transmission fluid temperature must be between 167?F (75?C) and 185?F (85?C). Utilizing a stand-alone TCM, a clutch-to-clutch gear train control set 19367133 - 8L90 Transmission 19419038 - I-sheet 19371498 - Harness 24284058 - TCM 23135703 - Seal 11588724 - Bolt 19418460 - Cooler Line Adapter 24289777 - Vent Tube 24265164 - Vent Tube Bracket 22942442 - Emblem Kit Contents: Kit P/N 19419040 (all quantity 1 unless noted) 19367133 - 8L90 Transmission 19419038 - I-sheet Jul 13, 2020 · The 8-Speed GM Transmission. SHIFTS 3-NEUTRAL. Components: 1 515685, 1 14G685. Jim Mobley. Tipping the scale in technological genius is the 8L90 transmission. Install the transmission into the vehicle. 891 B2. Install the transmission support. Bulletin No. order_242 from Chile, CC BY-SA 2. First add the fast relearn PID to HP Tuners and monitor it. Make sure the flats in the Jun 3, 2019 · Technology continues to change the nature of automatic transmissions. This procedure is available on all 2015-2021 MY Trucks, Cars and SUVs with 8L45 and 8L90 Automatic Transmissions (RPOs: M5U, M5T, M5N, M5X, MQE). qa en wz we lu dr zp tp gp jm