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Home >> Chevrolet >> 2013 >> Impala LTZ >> Repair and Diagnosis >> External Pages >> Different car >> Section 494 (Engine Mechanical - 2.8L Or 3.0L - Repair Instructions - On Vehicle (2 Of 2)) >> Valve Stem Oil Seal and Valve Spring Replacement - Left Side >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2010 Cadillac SRX. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the rocker arms. Refer to Valve Rocker Arm Replacement - Left Side .
  2. Remove the starter motor. Refer to Starter Replacement (LF1) or Starter Replacement (LAU) .
    3. Fig 1: Identifying Special Tool - EN 46106
    GM945978Courtesy of GENERAL MOTORS CORP.
    NOTE: If the EN-46106:  tool is not installed, the crankshaft may rotate. If the crankshaft rotates, disassembly and reassembly of the entire camshaft timing system may be required.
  3. Install the EN-46106:  tool in order to prevent crankshaft rotation.
  4. Remove the spark plug from the applicable cylinder. Refer to Spark Plug Replacement .
  5. Install the EN-39313:  adapter to the applicable cylinder.
  6. Connect the EN-39313:  adapter to a compressed air source.
    7. Fig 2: View Of Installed Valve Spring Compressor Tool
    GM1338337Courtesy of GENERAL MOTORS CORP.
  7. Install the EN-46110:  compressor above the applicable cylinder as shown.
  8. Tighten the EN-46110:  compressor nut (2).
    9. Fig 3: View Of Valve Spring Keepers
    GM902903Courtesy of GENERAL MOTORS CORP.
  9. Remove the valve keepers.
  10. Loosen the EN-46110:  compressor nut.
  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: Identifying Special Tool - EN-46116 & Valve Stem Seal
    GM1338340Courtesy of GENERAL MOTORS CORP.
  13. Use the EN-46116:  remover/installer (1) in order to remove the valve stem seal (2).
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