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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Engine Mechanical - 6.6L - On Vehicle Repair Instructions) >> On-Vehicle Repair Instructions >> Engine Mount Replacement - Right >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Position the engine mount frame bracket on the frame. Do not install the bolts.
    Fig 1: Identifying Frame Bracket
    GM1602052Courtesy of GENERAL MOTORS CORP.
  2. Install the engine mount.
  3. Perform the following procedure prior to installing the engine mount bracket bolts.
    1. Remove all traces of the original adhesive patch.
    2. Clean the threads of the bolt with denatured alcohol or equivalent and allow to dry.
    3. Apply threadlocker GM P/N 12345382 (Canadian P/N 10953489) or equivalent to the bolts.
    4. NOTE: Refer to Fastener Notice .
  4. Install the 2 through-bolts.

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

  5. Install the bolts holding the engine mount to the engine.
    Fig 2: Identifying Engine Mount Bolts
    GM1602045Courtesy of GENERAL MOTORS CORP.

    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. Install the 3 bolts holding the engine mount to the engine mount frame bracket.
    Fig 3: View Of Engine Mount To Engine Mount Frame Bracket Bolts
    GM657626Courtesy of GENERAL MOTORS CORP.

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

  10. If RWD vehicle with an automatic transmission, install the bolt for the transmission oil cooler line bracket.
    Fig 4: View Of Transmission Oil Cooler Lines, Bracket & Bolt
    GM686706Courtesy of GENERAL MOTORS CORP.

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

  11. Install the engine protection shield and bolts.
    Fig 5: Identifying Engine Shield And Retaining Bolts
    GM310119Courtesy of GENERAL MOTORS CORP.

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

  12. Install the oil pan skid plate.
    Fig 6: Identifying Oil Pan Skid Plate
    GM309158Courtesy of GENERAL MOTORS CORP.

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

  13. Install the right front tire and wheel. Refer to Tire and Wheel Removal and Installation .
  14. Install the front fender wheelhouse inner panel.
  15. Lower the vehicle.
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