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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 236 (Automatic Transmission - 4L60-E/4L65-E (Service & Replacement)) >> Repair Instructions >> Transmission Extension Housing Assembly Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2003 GMC Savana and 2003 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install a new case extension 0 ring seal (3).
  2. Install the case extension (2).
    CAUTION: Refer to FASTENER NOTICE .
  3. Install the ease extension bolts (1).

    Tighten 

    Tighten the case extension bolts (1) to 45 N.m (33 lb ft).

  4. Install the transmission mount. Refer to Transmission Mount Replacement .
  5. Install the propeller shaft. Refer to PROPELLER SHAFT REPLACEMENT - ONE PIECE or PROPELLER SHAFT REPLACEMENT - TWO PIECE .
  6. Remove the drain pan and the transmission jack.
  7. Lower the vehicle.
    Fig 1: Installing Case Extension O-Ring Seal, Extension & Bolts
    G02424243Courtesy of GENERAL MOTORS CORP.
  8. Fill the transmission to the proper level with DEXRON® III transmission fluid. Refer to Transmission Fluid Checking Procedure .