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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 813 (Automatic Transmission - 4L80-E/4L85-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 Yukon XL, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install a NEW O-ring seal (2) to the case extension.
  2. Install the case extension (1).
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  3. Install the case extension bolts (3).

    Tighten 

    Tighten the bolts to 34 N.m (25 lb ft).

  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. Fill the transmission to the proper level with DEXRON® III transmission fluid. Refer to TRANSMISSION FLUID CHECKING PROCEDURE  .
    Fig 1: Installing Transmission Extension Housing Assembly
    G02112310Courtesy of GENERAL MOTORS CORP.
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