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Home › Pontiac › 2001 › Aztek Base, AWD › Repair and Diagnosis › External Pages › Different car › Section 979 (Frame & Underbody) › Repair Instructions › Transmission Support Replacement › Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. 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)
    2. Fig 1: View Of Transmission Crossmember
    GM702036Courtesy of GENERAL MOTORS CORP.
  2. Install the transmission support to the frame. (25/35 series)
    3. Fig 2: Identifying Crossmember & Bolts
    GM652595Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice in Cautions and 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).

  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. Fig 3: Identifying Transmission Mount Nuts
    GM647997Courtesy of GENERAL MOTORS CORP.
  7. Remove the transmission jack.
  8. Lower the vehicle.
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