GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2004 🢒 GMC C Sierra - 2WD 🢒 Transmission/Transaxle 🢒 Clutch 🢒 Engine Mount Replacement - Right Side

Removal Procedure
  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the tire and wheel. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  3. Remove the wheelhouse panel. Refer to Wheelhouse Panel Replacement in Body Front End.
  4. Remove the exhaust manifold. Refer to Exhaust Manifold Replacement - Right Side in Engine Exhaust.
  5. Remove the engine protection shield. Refer to Engine Protection Shield Replacement in Frame and Underbody.

    6. Object Number: 1235951 Size: SH
  6. Remove the engine mount heat shield, if equipped.

    7. Important: DO NOT raise and/or support the engine by the crankshaft balancer, or oil pan.

  7. Raise and support the engine using an adjustable (screw type) jack stand.

    8. Object Number: 307275 Size: SH
  8. Remove the engine mount-to-engine mount bracket bolts.

    9. Object Number: 307279 Size: SH
  9. Remove the engine mount bolts.
  10. Remove the right engine mount.

Installation Procedure

    Object Number: 307279 Size: SH
  1. Install the right engine mount to the engine.

    2. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  2. Install the engine mount bolts to the engine.

    3. Tighten
    Tighten the engine mount bolts to 50 N·m (37 lb ft).


    Object Number: 307275 Size: SH
  3. Install the engine mount-to-engine mount bracket bolts.
  4. Lower the engine.
  5. Remove the adjustable jack stands.

    6. Object Number: 1235951 Size: SH
  6. Install the engine mount heat shield, if equipped.

    7. Tighten
    Tighten the engine mount-to-engine mount bracket bolts to 65 N·m (48 lb ft).

  7. Install the exhaust manifold. Refer to Exhaust Manifold Replacement - Right Side in Engine Exhaust.
  8. Install the wheelhouse panel. Refer to Wheelhouse Panel Replacement in Body Front End.
  9. Install the engine protection shield. Refer to Engine Protection Shield Replacement in Frame and Underbody.
  10. Install the tire and wheel. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  11. Lower the vehicle.