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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1035 (Automatic Transmission - ALLISON - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis) >> On-Vehicle Repair Information >> Transmission Mount Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Identifying Transmission Mount Nuts
    GM647997Courtesy of GENERAL MOTORS CORP.
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Support the transmission with a transmission jack.
  3. Remove the transmission mount to the transmission support retaining nut or nuts.
    4. Fig 2: Locating Transmission Mount Bolts
    GM702771Courtesy of GENERAL MOTORS CORP.
  4. Raise the transmission to take the weight off of the mount.
  5. Remove the transmission mount to the transmission or transfer case adapter mounting bolts (1).
  6. Raise the transmission just enough to remove the transmission mount.
  7. Remove the transmission mount from the vehicle.
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