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Home >> Buick >> 2002 >> Century Limited >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - 3.1L V6 - VIN (J) (On-Vehicle) >> Repair Instructions >> Valve Stem Oil Seal and Valve Spring Replacement >> Installation Procedure

Installation Procedure

  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.
    Fig 1: Valve
    G01763593Courtesy of GENERAL MOTORS CORP.
  4. Compress the valve using the J 38606.
  5. Install the valve locks. If necessary, hold the valve locks in place with grease.
  6. Release the valve spring using the J 38606.
    7. Fig 2: Releasing The Valve Spring
    G01763595Courtesy of GENERAL MOTORS CORP.
  7. Make sure that the valve locks 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.
  10. Install the spark plug. Refer to SPARK PLUGS .
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