Removal 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.
- Remove the valve rocker arms. Valve Rocker Arm and Push Rod Replacement
- Remove the starter. Starter Replacement (LV1) .
- NOTE:
If the EN-42386 - A Flywheel Holding Tool is not installed, the crankshaft may rotate. If the crankshaft rotates, disassembly and reassembly of the entire camshaft timing system may be required.
Install the EN-42386 - A Flywheel Holding Tool (1) in order to prevent crankshaft rotation.
- Remove the spark plug from the applicable cylinder. Spark Plug Replacement (Left Bank, With/Without C69) , or Spark Plug Replacement (Right Bank, Without C69) , or Spark Plug Replacement (Right Bank, With C69)
- Install the EN-39313 Spark Plug Port Adapter to the applicable cylinder.
- Connect the EN-39313 Spark Plug Port Adapter to a compressed air source.
Install the EN-46335-A On-Vehicle Valve Spring Compressor (1) above the applicable cylinder as shown.
- Tighten the EN-46335-A On-Vehicle Valve Spring Compressor bolt (2).
- Remove the valve keepers (3).
- Loosen the EN-46335-A On-Vehicle Valve Spring Compressor bolt and remove the compressor.
Valve Spring Retainer (1) - Remove
- Valve Spring (2) - Remove
Use the EN-46116 Valve Stem Seal Remover/Installer (1) in order to remove the valve stem seal (2).