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Home >> Chevrolet >> 2012 >> Tahoe Base, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1566 (Automatic Transmission - 6L45/6L50/6L80/6L90 - Repair Instructions - On Vehicle) >> Repair Instructions - On Vehicle >> Automatic Transmission Electrical Connector Passage Sleeve Replacement

Automatic Transmission Electrical Connector Passage Sleeve Replacement

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Automatic Transmission Electrical Connector Passage Sleeve
GM1657065Courtesy of GENERAL MOTORS CORP.
Callout Component Name
CAUTION: Orientate the alignment tab inside the passage sleeve with the slot in the electrical connector of the control solenoid valve assembly. Push the sleeve straight into the case bore and connector. Do NOT rotate the sleeve at any time. Ensure the sleeve is fully seated into the case. When the sleeve is properly installed, the distance from the case surface to the end of the sleeve should be 14-16 mm. Even though the correct electrical connections may still be maintained, failure to ensure proper installation of the sleeve may result in a fluid leak around the sleeve lip seal and into the sleeve cavity.

Preliminary Procedures

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove the transmission oil pan. Refer to Automatic Transmission Fluid, Fluid Pan and/or Filter Replacement .
  3. Disconnect the vehicle wire harness electrical connector from the transmission electrical connector passage sleeve.
1 Electrical Connector Slide Lock
Tip:  Pull down on the slide lock to remove the sleeve. Push up on the slide lock after sleeve installation.
2 Electrical Connector Passage Sleeve
Tip: 
  • Use the DT 47715  Electrical Connector Passage Sleeve Remover/Installer and J 42183  Driver Handle to remove and install the electrical connector passage sleeve.
  • The distance (a) from the case surface to the end of the sleeve should be 14-16 mm.

Special Tools

  • DT 47715  Electrical Connector Passage Sleeve Remover/Installer
  • J 42183  Driver Handle
3 O-Ring Seal (Qty: 2)
Tip:  Use a NEW O-ring seal.
4 Lip Seal
Tip:  Use a NEW lip seal.