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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 Assembly Replacement >> Installation Procedure

Installation Procedure

  1. Install a new case extension O ring seal (3).
  2. Install the case extension (2).
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  3. Install the case extension bolts (1).

    Tighten 

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

    Fig 1: Transmission Extension Housing
    G01565938Courtesy of GENERAL MOTORS CORP.
  4. Install the transmission mount. Refer to TRANSMISSION MOUNT REPLACEMENT .
  5. Install the propeller shaft. Refer to PROPELLER SHAFT REPLACEMENT - REAR in Propeller Shaft.
  6. Remove the drain pan and the transmission jack.
  7. Lower the vehicle.
  8. Fill the transmission to the proper level with DEXRON® III transmission fluid. Refer to TRANSMISSION FLUID CHECKING PROCEDURE .