6l90e Transmission

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M 6L45, 6L50, 6L80, 6L90 Identification uide ©2017 Sonnax Industries, Inc. 6L45-6L90-IdentifyD 01-24-17 800-843-2600. 802-463-9722. F: 802-463-4059. www.sonnax.com Page 2. M 6L45, 6L50, 6L80, 6L90 Identification uide ©2017 Sonnax Industries, Inc. 6L45-6L90-IdentifyD 01-24-17 800-843-2600. 802-463-9722. F: 802-463-4059. www.sonnax.com Page 2.

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. Click here for complete warranty information. Remember, this is a completely remanufactured automatic transmission assembled to exacting tolerances and live-run dynamometer tested for reliability.

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 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.

JASPER remanufacturing advantages include:

  • 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.
  • 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).
  • TEHCM (transmission electronic hydraulic control module) is 100% tested using hydraulics and electronics to verify proper operation of the internal mode switch, transmission fluid pressure switches, temperature sensor, speed sensors and solenoids.
  • 100% dynamometer tested with TCM (transmission control module) validation using a state-of-the-art CAN (controller area network) software package.
  • JASPER offers their installers free rental of a J2534 pass-through device, with transmission purchase, to assist in the reprogramming of the TEHCM and ECM (engine control module) to ensure the latest OEM calibration is installed in the vehicle.
  • J2534 reprogramming will require a subscription fee charged by General Motors.

6l90e Transmission Pan

Please visit our Video Library to learn more about some of the quality processes we perform to this transmission family.

6l90e

Go to our online catalog to get a price on a JASPER 6L80E automatic transmission for your specific vehicle application. Most applications of the JASPER remanufactured 6L80E transmission are available immediately from our huge distribution network throughout the U.S. This means you can be up and running again quickly and reliably. So, as soon as you get a price from our online catalog, just click on the “Find an Installer” icon to find the installer closest to you.

Full warranty disclosure available on our website or upon request. Specifications subject to change without notice.

The Hydra-Matic 6L90E transmission was introduced by GM to handle the increasing power of 3/4 ton and 1 ton Chevy and GMC Trucks. The 6L90 automatic six speed transmission is the heavy duty version of the 6L80E transmission. The 6L90E transmission has stronger input gear sets with six pinion gears and also a strengthened output gear set that has wider gears than the 6L80 transmission.

Here at Smart Parts we have given this precision workhorse a performance overhaul. Our long list of upgrades make the 6L90E transmission heavy duty enough to handle the toughest of hauling and off road conditions encountered by the Yukon or Sierra. At the same time the 6L90 has the fine tuning and tight tolerances needed to handle the extreme RPM's and power created by the ZL1 Camaro.

6l90e Transmission For Sale

6l90e transmission rebuild kitA quick overview
Chevy/GMC Vehicle Compatibility

6l90e Transmission For Sale

  • Camaro ZL1
  • Express Van 2500
  • Express Van 3500
  • Sierra 2500
  • Sierra 3500
  • Sierra Denali
  • Suburban 1500
  • Suburban 2500HD
  • Yukon
  • Tahoe
Years Covered
  • 2006
  • 2007
  • 2008
  • 2009
  • 2010
  • 2011
  • 2012
  • 2013
Performance Upgrades
  • Valve Body
  • Clutches
  • Seal & Gasket
  • Bearing
  • Shift Improver Kit
  • Bands
  • Clutch Disks
  • Dyno-Tested

6l90e Transmission Rebuild Kit

6L90 Build Type

6l90e Transmission

  • Performance Grade remanufactured QS9000 Certified