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Home >> Chevrolet >> 2007 >> Avalanche 5.3 3 >> Repair and Diagnosis >> External Pages >> Different car >> Section 892 (Automatic Transmission - 4L80-E/4L85-E - Introduction (2 Of 2)) >> Repair Instructions >> Repair Instructions - Off Vehicle >> Transmission Wire Harness Removal

Transmission Wire Harness Removal

WARNING: This page is about a different car, the 2007 GMC Yukon XL and 2007 Chevrolet Suburban. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Identifying Transmission Wire Harness
    GM1236987Courtesy of GENERAL MOTORS CORP.
  1. Disconnect the wire harness connectors from the electrical components.
  2. Remove the transmission wiring harness assembly (34) from the wiring harness clamps (33).
    3. NOTE: If the transmission wiring harness assembly does not need servicing, do not remove the assembly from the case. Excessive force may damage the pass-through connector.
  3. Remove the transmission wiring harness assembly (34) from the case. Use a 1-5/16 inch 12-point socket in order to release the pass-through connector retaining clips from the case.
  4. Remove the pass thru connector O-ring seal (36) and replace.
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