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Home >> Cadillac >> 2005 >> STS 3.6 7 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Mechanical - 4.6L (LH2) (2 Of 6)) >> On-Vehicle Repair Instructions - Part 1 >> Engine Front Cover Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: Applying Sealant To Split Line Of Crankcases
    GM928307Courtesy of GENERAL MOTORS CORP.
  1. Place a small amount of sealant GM P/N 12578521 (Canadian P/N 88901148) or equivalent at the split line (1) of the upper and lower crankcases, and at the top of the block face.
    2. Fig 2: View Of Engine Front Cover Gasket
    GM928304Courtesy of GENERAL MOTORS CORP.
  2. Place the NEW engine front cover gasket over the crankcase dowel pins.
    3. Fig 3: View Of Engine Front Cover
    GM928288Courtesy of GENERAL MOTORS CORP.
  3. Place the engine front cover in position on the crankcase.
  4. Apply the thread locking compound GM P/N 12345382 (Canadian P/N 10953489) or equivalent to the threads of the engine front cover bolts.
  5. Install the engine front cover retaining bolts.
    6. Fig 4: Tightening Engine Front Cover Bolts
    GM928300Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  6. Tighten the engine front cover bolts in the sequence shown.

    Tighten:  Tighten the engine front cover bolts in proper sequence to 15 N.m (11 lb ft).

  7. Install the crankshaft balancer. Refer to Crankshaft Balancer Replacement .
  8. Install the water pump pulley.

    Tighten:  Tighten the water pump pulley bolts to 10 N.m (89 lb in).

    9. Fig 5: View Of Drive Belt Idler Pulley
    GM887830Courtesy of GENERAL MOTORS CORP.
  9. Install the drive belt idler pulley.
  10. Install the drive belt idler pulley bolt.

    Tighten:  Tighten the drive belt idler pulley bolt to 50 N.m (37 lb ft).

  11. Install the drive belt tensioner. Refer to Drive Belt Tensioner Replacement - Generator  and to Drive Belt Tensioner Replacement - Air Conditioning, Power Steering and Water Pump .
  12. Install the coolant radiator hose to the thermostat housing. Refer to Coolant Bypass Hose Replacement (LH2) in Engine Cooling.
  13. Install the heater hose to the thermostat housing using a J 38185  . See Special Tools .
  14. If equipped, install the afterboil coolant pump. Refer to Afterboil Coolant Pump Replacement in Engine Cooling.
  15. Install the air outlet duct. Refer to Air Cleaner Outlet Duct Replacement in Engine Controls - 4.6L (LH2).
  16. Fill the cooling system. Refer to Draining and Filling Cooling System in Engine Cooling.
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