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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1035 (Automatic Transmission - ALLISON - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis) >> Off-Vehicle Repair Information >> Holding Fixture Removal

Holding Fixture Removal

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: Transmission Mounted On Holding Fixture
    GM1914749Courtesy of GENERAL MOTORS CORP.
    CAUTION: The 1000 Series™ transmission dry weight is approximately 150 kg (330 lb). To help avoid personal injury and/or property damage: Use caution when installing, removing, or moving the transmission. Get help when lifting the transmission. Assistance from a hoist or another person may be required. Ensure that lifting equipment can properly support the transmission.
  1. Attach a sling to the transmission.
  2. Attach a hoist to the sling.
  3. Put moderate lift tension on the hoist.
  4. Disconnect and remove the transmission from the repair stand.
  5. Place the transmission on the work table with the oil pan facing down.
  6. Fig 2: PTO Cover, Bolts & Gasket
    GM1914750Courtesy of GENERAL MOTORS CORP.
  7. Install the power take-off (PTO) cover gaskets (1)
  8. Install 2 PTO covers (2).
  9. NOTE: Refer to Fastener Notice .
  10. Install 12 PTO cover bolts (3).

    Tighten:  Tighten the bolts to 43 N.m (31 lb ft).