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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 144 (Engine Mechanical - 4.3L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Engine Mount Replacement - Right >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 GMC Savana and 2003 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: Broken engine mountings can cause misalignment of certain drive-train components. Misalignment of drive-train components causes eventual destruction of the drive-train components. If one engine mount breaks, the rest of the engine mounts will have increased stress put on them. This could cause the rest of the engine mounts to break.
  1. Raise and support the vehicle.
  2. Remove the starter. Refer to STARTER MOTOR REPLACEMENT (4.3L) or STARTER MOTOR REPLACEMENT (4.8L, 5.3L & 6.0L) .
  3. Remove the engine mount to frame mounting bolts.
    Fig 1: Removing Engine Mount To Frame Mounting Bolts
    G02077678Courtesy of GENERAL MOTORS CORP.
    CAUTION: When raising or supporting the engine for any reason, do not use a jack under the oil pan, any sheet metal, or crankshaft balancer. Jacking against the oil pan may cause it to crack or break.

    Important:  Raise the engine only enough to permit removal of the engine mount.

  4. Use a jack on the square tab at the rear of the engine block, and raise the engine, left side shown.
    Fig 2: Identifying Square Tab At Rear Of Engine Block
    G02077679Courtesy of GENERAL MOTORS CORP.
  5. Remove the engine mount to engine mounting bolts.
  6. Remove the engine mount from the vehicle.
    Fig 3: Removing Bolts & Engine Mount
    G02077680Courtesy of GENERAL MOTORS CORP.
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