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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 3 (Engine Mechanical - 4.3L (LV1)) >> Repair Instructions - On Vehicle >> Valve Stem Oil Seal and Valve Spring Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
  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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