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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 994 (Engine Mechanical - 6.6L (LLY)) >> Repair Instructions >> On-Vehicle Repair Instructions >> Engine Mount Replacement - Right >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Position the engine mount frame bracket on the frame. Do not install the bolts.
  2. Install the engine mount.
  3. Perform the following procedure prior to installing the engine mount bracket bolts.
    • Remove all traces of the original adhesive patch.
    • Clean the threads of the bolt with denatured alcohol or equivalent and allow to dry.
    • Apply threadlocker GM P/N 12345382 (Canadian P/N 10953489) or equivalent to the bolts.
    4. NOTE: Refer to Fastener Notice in Cautions and Notices.
  4. Install the 2 through-bolts.

    Tighten:  Tighten the through-bolts to 75 N.m (55 lb ft).

    5. Fig 1: View Of Engine Mount Frame, Bracket & Bolts (Right)
    GM657624Courtesy of GENERAL MOTORS CORP.
  5. Install the bolts holding the engine mount to the engine.

    Tighten:  Tighten the engine mount bolts to 58 N.m (43 lb ft).

  6. Lower the engine.
  7. If 4WD vehicle, remove the chain from the front of the engine.
  8. If 4WD vehicle, install the generator mounting bracket and the power steering mount bracket bolt.

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

    9. Fig 2: View Of Engine Mount To Engine Bolts (Right)
    GM657622Courtesy of GENERAL MOTORS CORP.
  9. Install the 3 bolts holding the engine mount to the engine mount frame bracket.

    Tighten:  Tighten the engine mount to engine mount frame bracket bolts to 65 N.m (48 lb ft).

    10. Fig 3: View Of Engine Mount To Engine Mount Frame Bracket Bolts (Right)
    GM657626Courtesy of GENERAL MOTORS CORP.
  10. If RWD vehicle with an automatic transmission, install the bolt for the transmission oil cooler line bracket.

    Tighten:  Tighten the transmission oil cooler line bracket bolt to 9 N.m (80 lb in).

    11. Fig 4: View Of Transmission Oil Cooler Lines, Bracket & Bolt
    GM686706Courtesy of GENERAL MOTORS CORP.
  11. Install the engine protection shield and bolts.

    Tighten:  Tighten the engine protection shield bolts to 20 N.m (15 lb ft).

    12. Fig 5: Identifying Engine Shield And Retaining Bolts
    GM310119Courtesy of GENERAL MOTORS CORP.
  12. Install the oil pan skid plate.

    Tighten:  Tighten the bolts to 20 N.m (15 lb ft).

    13. Fig 6: Identifying Oil Pan Skid Plate
    GM309158Courtesy of GENERAL MOTORS CORP.
  13. Install the right front tire and wheel. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  14. Install the front fender wheelhouse inner panel.
  15. Lower the vehicle.
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