Operation CHARM: Car repair manuals for everyone.

44. Valve Lifters and Guides Clean and Inspect

Important: Parts that are to be reused must remain sorted or organized in order to return them to their original location.

Important: Store the valve litters upright in order to prevent the oil from draining from the plunger cavity.

Important: Disassembly of the valve lifter(s) is not recommended.





1. Clean the components in cleaning solvent.

Caution: Wear safety glasses in order to avoid eye damage.

2. Dry the components with compressed air.
3. Inspect the valve lifters for the following:
^ A damaged, mispositioned or broken clip (1)
^ A scored or worn pushrod socket (2)
^ A severely scuffed or worn litter body (3)
If the valve litter body shows scuffing or wear, inspect the engine block valve litter bores for wear or damage.
^ Flat spots on the roller (4)
^ Roller wheel vertical play (4)
^ A loose pin (5)
^ A plugged oil hole (6)

4. If flat spots are found on the lifter(s), inspect the corresponding lobe on the camshaft for damage.





5. Inspect the valve litter guides for the following:
^ Excessive guide slot side wear
^ Cracks or damage





6. Inspect the valve litter guide retainer for the following:
^ Wear, damage, or stress cracking in the leg areas
^ Wear or damage around the retainer bolt holes