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Assembly Procedure

WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Identifying Valve Components
    GM1665094Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Use oversize valve stem seals if you install oversize valves.
  1. Lubricate the valve stem with clean engine oil.
  2. Install the valves.
  3. Lightly tap the new or reconditioned valves into the valve seat.
  4. Install the valve stem oil seals, ensuring proper intake - black seal and exhaust - brown seal, seals are installed.
  5. Install the valve springs.
  6. Install the valve spring caps.
    7. Fig 2: Compressing Valve Spring
    GM1557721Courtesy of GENERAL MOTORS CORP.
  7. Using caution so as not to damage the valve spring or valve spring dampener, compress the valve springs using the J 5892-D  (1) and the EN-47823  (2). See Special Tools .
  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. Fig 3: View Of Heater Inlet Pipe Stud & Coolant Temperature Sensor
    GM909634Courtesy of GENERAL MOTORS CORP.
  11. Apply sealer P/N 21485278 to the coolant temperature sensor.
    12. NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  12. Install the coolant temperature sensor, if required.

    Tighten:  Tighten the coolant temperature sensor to 23 N.m (17 lb ft).

  13. Install the heater inlet pipe stud, if required.

    Tighten:  Tighten the heater inlet pipe stud to 35 N.m (26 lb ft).

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