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Home >> GMC >> 2000 >> C3500 HD 7.4 J, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 401 (Engine Mechanical - 3.1L V6 - VIN (J) (On-Vehicle)) >> Repair Instructions >> Engine Front Cover Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2002 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
  1. If removed, install the water pump to the engine front cover. Refer to WATER PUMP REPLACEMENT (3.1L) in ENGINE COOLING SYSTEM .
  2. If removed, install the crankshaft position sensor to the engine front cover. Refer to CRANKSHAFT POSITION (CKP) SENSOR REPLACEMENT (7X CKP SENSOR) or CRANKSHAFT POSITION (CKP) SENSOR REPLACEMENT (24X CKP SENSOR) in ENGINE CONTROLS - REMOVAL & INSTALLATION, OVERHAUL .
    Fig 1: Crankshaft Position Sensor To The Engine Front Cover
    G01763631Courtesy of GENERAL MOTORS CORP.
  3. Coat both sides of the lower tabs of the engine front cover gasket with sealant GM P/N 12346004 (Canadian P/N 10953480) or equivalent.
    Fig 2: Engine Front Cover Gasket
    G01763632Courtesy of GENERAL MOTORS CORP.
  4. Install the engine front cover gasket.
    Fig 3: Engine Front Cover Gasket
    G01763633Courtesy of GENERAL MOTORS CORP.
  5. Install the engine front cover.
  6. Install the engine front cover bolts.

    Tighten: 

    • Tighten the small engine front cover bolts (1) to 27 N.m (20 ft lbs).
    • Tighten the large engine front cover bolts (2,3) to 55 N.m (41 ft lbs).
      • Fig 4: Engine Front Cover Bolts
      G01763634Courtesy of GENERAL MOTORS CORP.

  7. Install the lower crankshaft position sensor wiring harness bracket to the engine front cover.
    Fig 5: Lower Crankshaft Position Sensor Wiring Harness Bracket
    G01763635Courtesy of GENERAL MOTORS CORP.
  8. Install the drive belt shield.
  9. Install the drive belt shield bolt.

    Tighten: 

    Tighten the bolt to 10 N.m (89 in lbs) 

    Fig 6: Drive Belt Shield Bolt
    G01763636Courtesy of GENERAL MOTORS CORP.
  10. Install the water pump pulley.
  11. Install the water pump pulley bolts.

    Tighten: 

    Tighten the bolts to 25 N.m (18 ft lbs) 

  12. Install the radiator outlet hose to the coolant pump. Refer to RADIATOR HOSE REPLACEMENT - OUTLET (3.1L) in ENGINE COOLING SYSTEM .
  13. Install the thermostat bypass pipe to the engine front cover. Refer to THERMOSTAT BYPASS PIPES REPLACEMENT in ENGINE COOLING SYSTEM .
  14. Install the power steering pump with lines. Refer to POWER STEERING PUMP REPLACEMENT (3.1L) .
  15. Install the drive belt tensioner. Refer to Drive Belt Tensioner Replacement .
  16. Install the crankshaft balancer. Refer to Crankshaft Balancer Replacement .
  17. Fill the crankcase with new engine oil. Refer to Engine Oil and Oil Filter Replacement .
  18. Fill the cooling system. Refer to DRAINING AND FILLING COOLING SYSTEM in ENGINE COOLING SYSTEM .
  19. Connect the negative battery cable.
  20. Perform a CKP system variation learn procedure. Refer to CKP SYSTEM VARIATION LEARN PROCEDURE in ENGINE CONTROLS - REMOVAL & INSTALLATION, OVERHAUL .
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