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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1121 (Engine Mechanical - 3.4L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Valve Stem Oil Seal and Valve Spring Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Valve Locks, Caps, Seats & Spring
    GM54389Courtesy of GENERAL MOTORS CORP.
  1. Install the valve stem oil seal/spring seat.
    • Use a suitable driver.
    • Press over the valve guide boss.
  2. Install the valve spring.
  3. Install the valve cap.
    4. Fig 2: Compressing Valve Springs
    GM54421Courtesy of GENERAL MOTORS CORP.
  4. Use the J 38606  in order to compress the valve spring. See Special Tools and Equipment .
  5. Install the valve keys. If necessary, hold the valve keys in place with grease.
  6. Remove the J 38606  in order to release the valve spring. See Special Tools and Equipment .
  7. Ensure that the valve keys are seated.
  8. Install the valve rocker arm. Refer to Valve Rocker Arm and Push Rod Replacement .
  9. Release the air pressure and remove the J 22794  . See Special Tools and Equipment .
  10. Install the spark plug. Refer to Spark Plug Replacement in Engine Controls - 3.4 L.
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