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Home >> Chevrolet >> 2011 >> Impala LS, 3.9 M >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 6 (Engine Mechanical - 3.5L - Repair Instructions - On Vehicle) >> Valve Rocker Arm Cover Replacement - Left Side >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
NOTE: All gasket mating surfaces need to be free of oil and foreign material. Use cleaner to clean the surfaces. Refer to Adhesives, Fluids, Lubricants, and Sealers .
    Fig 1: Cylinder Head To Lower Intake Manifold Joint
    GM190588Courtesy of GENERAL MOTORS CORP.
  1. Install a NEW valve rocker arm cover gasket into the groove in the valve rocker arm cover. Ensure that the gasket is properly seated in the groove of the valve rocker arm cover.
  2. Apply sealant at the cylinder head to the surfaces where the cylinder head and intake manifold meet (1). Refer to Adhesives, Fluids, Lubricants, and Sealers .
    3. Fig 2: Valve Rocker Arm Cover
    GM1609161Courtesy of GENERAL MOTORS CORP.
  3. Install the valve rocker arm cover.
  4. Install the valve rocker arm cover bolts. Refer to Valve Rocker Arm Cover Installation - Left Side .
    5. Fig 3: Locating Heater Inlet & Outlet Pipe To Vehicle
    GM1608994Courtesy of GENERAL MOTORS CORP.
  5. Install the heater inlet and outlet pipe to the vehicle.
    6. CAUTION: Refer to Fastener Caution .
  6. Install the heater inlet and outlet pipe bolt and stud.

    Tighten: 

    • Tighten the bolt to 25 N.m (18 lb ft).
    • Tighten the stud to 10 N.m (89 lb in).

  7. Install the front heater outlet hose to the outlet heater pipe.
    8. Fig 4: Coolant Inlet And Outlet Hoses/Pipes
    GM1608325Courtesy of GENERAL MOTORS CORP.
  8. Position the hose/pipe assembly. Install the clips to the throttle body studs.
  9. Install the heater inlet and outer hoses/pipes to the engine inlet and outlet pipes.
  10. Install the heater inlet and outlet hose/pipe clip nuts at the throttle body.

    Tighten:  Tighten the nuts to 10 N.m (89 lb in).

  11. Position the heater inlet and outlet hose/pipe clamps at the engine inlet and outer pipes.
  12. Install the left engine mount strut bracket. Refer to Engine Mount Strut Bracket Replacement - Left Side .
    13. Fig 5: Locating PCV Foul Air Tube
    GM1608801Courtesy of GENERAL MOTORS CORP.
  13. Install the PCV foul air tube. Refer to Plastic Collar Quick Connect Fitting Service .
    14. Fig 6: View Of Left Side Spark Plug Wires
    GM1608802Courtesy of GENERAL MOTORS CORP.
  14. Position the spark plug harness.
  15. Install the spark plug wire harness clip to the heater inlet and outlet front pipe bracket.
  16. Connect the left spark plug wires to the spark plugs.
  17. Install the oil level indicator tube. Refer to Oil Level Indicator Tube Replacement .
  18. Install the intake manifold cover. Refer to Intake Manifold Cover Replacement .
  19. Fill the cooling system. Refer to Cooling System Draining and Filling (LZE, LGD Static Fill) or Cooling System Draining and Filling (LZE, LGD GE47716 Fill) .
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