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Home >> Buick >> 2007 >> Allure CX >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Mechanical - 3.6L - 1 Of 5) >> On-Vehicle Repair Instructions (1 Of 2) >> Valve Stem Oil Seal and Valve Spring Replacement - Left Side >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Remove the starter motor. Refer to Starter Motor Replacement (LY7) i.
    2. Fig 1: View Of Tool EN 46106
    GM945978Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: If the EN 46106  is not installed, the crankshaft may rotate. See Special Tools . If the crankshaft rotates, disassembly and reassembly of the entire camshaft timing system may be required.
  2. Install the EN 46106  in order to prevent crankshaft rotation. See Special Tools .
  3. Remove the camshafts and rocker arms. Refer to Camshaft Replacement - Left Side .
  4. Remove the spark plug from the applicable cylinder. Refer to Spark Plug Replacement .
  5. Install the J 39313  to the applicable cylinder. See Special Tools .
  6. Connect the J 39313  to a compressed air source. See Special Tools .
    7. Fig 2: View Of Installed Valve Spring Compressor Tool
    GM1338337Courtesy of GENERAL MOTORS CORP.
  7. Install the EN 46110  above the applicable cylinder as shown. See Special Tools .
  8. Tighten the EN 46110  valve spring compressor nut (2). See Special Tools .
    9. Fig 3: View Of Valve Spring Keepers
    GM902903Courtesy of GENERAL MOTORS CORP.
  9. Remove the valve keepers.
  10. Loosen the EN 46110  valve spring compressor nut. See Special Tools .
  11. Remove the valve spring retainer.
    12. Fig 4: View Of Valve Spring
    GM902899Courtesy of GENERAL MOTORS CORP.
  12. Remove the valve spring.
    13. Fig 5: Removing/Installing Valve Stem Seal
    GM1338340Courtesy of GENERAL MOTORS CORP.
  13. Use the EN 46116  (1) in order to remove the valve stem seal (2). See Special Tools .
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