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Home >> Pontiac >> 2008 >> Torrent GXP, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Engine Mechanical - 3.4L) >> Repair Instructions - Off Vehicle >> Cylinder Head Assemble >> Tools Required

Tools Required

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J 38606  Valve Spring Compressor. See Special Tools .

    Fig 1: View Of Valve Components
    GM1456477Courtesy 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 using a suitable tool.
  5. Install the valve springs.
  6. Install the valve spring caps.
    7. Fig 2: Compressing Valve Springs
    GM54421Courtesy of GENERAL MOTORS CORP.
  7. Compress the valve springs using the J 38606  . 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. 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.
    13. Fig 3: View Of Heater Inlet Pipe Stud & Coolant Temperature Sensor
    GM909634Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice .
  13. Install the coolant temperature sensor, if required.

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

  14. 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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