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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Engine Mechanical - 4.3L (LV1)) >> Repair Instructions >> Valve Stem Oil Seal and Valve Spring Replacement >> Installation Procedure

Installation Procedure

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  1. GM4166267Courtesy of GENERAL MOTORS COMPANY

    Use the EN-46116  Valve Stem Seal Remover/Installer (1) in order to install the valve stem seal (2).

  2. GM4166266Courtesy of GENERAL MOTORS COMPANY

    Valve Spring (2) - Install

  3. Valve Spring Retainer (1) - Install
  4. GM4166262Courtesy of GENERAL MOTORS COMPANY

    Install the EN-46335-A  On-Vehicle Valve Spring Compressor (1) above the applicable cylinder as shown.

  5. tighten the EN-46335-A  On-Vehicle Valve Spring Compressor bolt (2).
  6. Install the valve spring keepers (3).
  7. EN-46335-A  On-Vehicle Valve Spring Compressor - Remove
  8. Disconnect the EN-39313  Spark Plug Port Adapter from the compressed air source.
  9. EN-39313  Spark Plug Port Adapter - Remove
  10. Spark Plug - Install - Spark Plug Replacement (Left Bank, With/Without C69) , or Spark Plug Replacement (Right Bank, Without C69) , or Spark Plug Replacement (Right Bank, With C69)
  11. Install the rocker arms. Valve Rocker Arm and Push Rod Replacement 
  12. GM5001787Courtesy of GENERAL MOTORS COMPANY

    EN-42386 - A  Flywheel Holding Tool (1) - Remove

  13. Install the starter. Starter Replacement (LV1) .
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