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Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 785 (Engine Mechanical Unit Repair) >> Repair Instructions >> Cylinder Head Assemble

Cylinder Head Assemble

WARNING: This page is about a different car, the 2002 Pontiac Montana, 2002 Oldsmobile Silhouette, and 2002 Chevrolet Venture. However, it is still accessible from the selected car via links, so may be relevant.

Tools Required 

J 38606  Valve Spring Compressor

Important  : Use oversize valve stem seals if you install oversize valves.

    Fig 1: Valve Assembly
    G01828999Courtesy of GENERAL MOTORS CORP.
  1. Lubricate the valve stem with clean engine oil.
  2. Install the valves.
  3. Lightly lap the reconditioned valves into the valve seat.
  4. Install the valve stem oil seals.
  5. Install the valve springs.
  6. Install the valve spring caps.
    7. Fig 2: Compressing Valve Spring
    G01829000Courtesy of GENERAL MOTORS CORP.
  7. Compress the valve springs using the J 38606  .
  8. Install the valve spring cap keys.

    Hold the valves in place with grease, if necessary.

  9. Release the valve springs.
  10. Ensure that the valve locks are seated.
  11. Measure valve spring installed height.
  12. If the valve spring installed height is not within specifications install 0.25 mm (0.010 in) rocker arm shims as needed. If more than 2 shims are needed replace the cylinder head or valve.
    NOTE: In order to avoid damage, install the spark plugs after the cylinder head has been installed on the engine.
    13. Fig 3: Fuel Line Bracket
    G01829001Courtesy of GENERAL MOTORS CORP.
  13. Install the fuel line bracket.
    NOTE: Refer to FASTENER NOTICE .
  14. Install the fuel line bracket bolt or stud.

    Tighten 

    Tighten the fuel line bracket bolt or stud to 50 N.m (37 lb ft).

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