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Home › Hummer › 2003 › H2 › Repair and Diagnosis › External Pages › Different car › Section 751 (Frame And Underbody) › Repair Instructions › Transmission Support Replacement › Installation Procedure

Installation Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 Chevrolet Avalanche, 2003 Cadillac Escalade EXT, and 2003 Cadillac Escalade ESV. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the transmission support to the frame. (15 series)
    Fig 1: Installing Transmission Support To Frame
    G03384568Courtesy of GENERAL MOTORS CORP.
  2. Install the transmission support to the frame. (25/35 series)
    NOTE: Refer to FASTENER NOTICE in GM VEHICLES CAUTIONS & NOTICES .
  3. Install the bolts and the nuts in order to retain the transmission support to the frame.

    Tighten 

    Tighten the nuts to 95 N.m (70 lb ft).

    Fig 2: Installing Bolts And Nuts To Retain Transmission Support To Frame
    G03384569Courtesy of GENERAL MOTORS CORP.
  4. Lower the rear of the transmission.
  5. Install the transmission mount to the transmission support.
  6. Install the nuts in order to retain the transmission mount to the transmission support.

    Tighten 

    Tighten the nuts to 40 N.m (30 lb ft).

  7. Remove the transmission jack.
  8. Lower the vehicle.
    Fig 3: Installing Transmission Mount To Transmission Support
    G03384570Courtesy of GENERAL MOTORS CORP.
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