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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1008 (Automatic Transmission - 4L60-E/4L65-E (Introduction, Service & Replacement)) >> Repair Instructions >> Transmission Extension Housing Rear Oil Seal Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra and 2004 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Lubricate the inside diameter of the new seal with J 36850  .
  2. Use the J 21426  with a soft faced mallet to install the seal.
    Fig 1: Installing Case Extension Housing Rear Oil Seal
    GM647512Courtesy of GENERAL MOTORS CORP.
  3. Install the seal to the extension housing.
  4. Install the propeller shaft. Refer to Propeller Shaft Replacement - One Piece or Propeller Shaft Replacement - Two Piece in Propeller Shaft.
  5. Remove the drain pan and lower the vehicle.
  6. Fill the transmission to the proper level with DEXRON® III transmission fluid. Refer to Transmission Fluid Checking Procedure .
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