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 lifters upright in order to prevent the oil from draining
from the plunger cavity.
Important: Disassembly of the valve lifter(s) is not recommended.
- Clean the components in cleaning solvent.
Caution: Wear safety glasses in order to avoid eye damage.
- Dry the components with compressed air.
- 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 lifter body (3) |
• | If the valve lifter body shows scuffing or wear, inspect the engine
block valve lifter bores for wear or damage. |
• | Flat spots on the roller (4) |
• | Roller wheel vertical play (4) |
- If flat spots are found on the lifter(s), inspect the corresponding
lobe on the camshaft for damage.
- Inspect the valve lifter
guides for the following:
• | Excessive guide slot side wear |
- Inspect the valve lifter
guide retainer for the following:
• | Wear, damage, or stress cracking in the leg areas |
• | Wear or damage around the retainer bolt holes |