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Home >> Chevrolet >> 2005 >> Chevy Express H1500, Van Passenger >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Automatic Transmission - 4L80-E/4L85-E - Introduction & Repair Instructions) >> Repair Instructions >> Transmission Extension Housing Rear Oil Seal Replacement >> Installation Procedure

Installation Procedure

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    Fig 1: Installing Transmission Extension Housing Rear Oil Seal
    GM744178Courtesy of GENERAL MOTORS CORP.
  1. Lubricate the inside diameter of the new seal with J 36850  . See Special Tools .
  2. Use the J 38869 (1) with a soft faced mallet to install the seal (2).
  3. Install the seal (2) to the extension housing (3).
  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 approved fluid.