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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Engine Mechanical - 4.6L (2 Of 5)) >> On-Vehicle Repair Instructions (1 Of 2) >> Valve Stem Oil Seal and Valve Spring Replacement - Left Side >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: Using J 38820 To Replace Valve Seal
    GM616165Courtesy of GENERAL MOTORS CORP.
  1. Lubricate the valve stem and the inner diameter of the new seal with clean engine oil.
    2. IMPORTANT: Install a seal protector over the valve stem prior to installing the valve stem seal.
  2. Using a twisting pushing motion install the NEW valve stem seal using the J 38820  . See Special Tools .
  3. Install the valve spring retainer and valve spring.
    4. Fig 2: View Of Base Plate Installed Over The Spark Plug Hole For Changing Valve Stem Seal
    GM650537Courtesy of GENERAL MOTORS CORP.
  4. Swing the arm over the valve spring retainer and tighten the swivel nut of the J 44211  (2) down only enough to allow access for installation of the valve locks. See Special Tools .
  5. Position the valve locks to the valve stem retainer groove using the J 43059  .
  6. Remove the swivel nut and arm of the J 44211  (2). See Special Tools .
  7. Install the arm and swivel nut of the J 44211  (2) over the stud of any other valves being serviced and repeat removal steps 12 through 17 and installation steps 1 through 7. See Special Tools .
  8. Relieve the air pressure to the cylinder being serviced.
  9. Remove the J 39313  (1) from the spark plug hole. See Special Tools .
  10. Remove the base plate of the J 44211  (2). See Special Tools .
  11. Install the spark plug. Refer to Spark Plug Replacement .
  12. Repeat removal steps 7 through 17 and installation steps 1 through 11 on any other cylinders being serviced.
  13. Install the left camshafts. Refer to Camshaft Replacement - Left Side .
  14. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
    15. Fig 3: Locating Flywheel Holder J 44214
    GM650536Courtesy of GENERAL MOTORS CORP.
  15. Remove the J 44214  (1). See Special Tools .
  16. Install the torque converter cover. Refer to Torque Converter Cover Replacement .
    17. Fig 4: View Of Brace Between The Engine Oil Pan And The Transaxle Case
    GM333127Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice .
  17. Install the oil pan to transaxle brace.

    Tighten:  Tighten the oil pan to transaxle brace bolts to 50 N.m (37 lb ft).

  18. Lower the vehicle.
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