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

Installation Procedure

  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.
  3. Install the seal to the extension housing.
    Fig 1: Installing Rear Seal To Transmission Case Extension Housing
    G01565936Courtesy of GENERAL MOTORS CORP.
  4. Install the propeller shaft. Refer to PROPELLER SHAFT REPLACEMENT - REAR 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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