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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1355 (Automatic Transmission - ALLISON - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis) >> Repair Instructions - On Vehicle >> Transmission Mount Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Locating Transmission Mount Bolts
    GM702771Courtesy of GENERAL MOTORS CORP.
  1. Install the transmission mount to the vehicle.
    2. CAUTION: Refer to Fastener Caution .
  2. Install the transmission mount to the transmission or transfer case adapter mounting bolts (1).

    Tighten:  Tighten the bolts to 50 N.m (37 lb ft).

    3. Fig 2: Identifying Transmission Mount Nuts
    GM647997Courtesy of GENERAL MOTORS CORP.
  3. Lower the transmission.
  4. Install the transmission mount to the transmission support retaining nut or nuts.

    Tighten:  Tighten the nut or nuts to 50 N.m (37 lb ft).

  5. Remove the transmission jack.
  6. Lower the vehicle.
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