45. Valve Lifter Clean and Inspect
Valve Lifters Cleaning and Inspection1. Clean the valve lifters in cleaning solvent.
Caution Refer to Safety Glasses Caution in Service Precautions.
2. Dry the valve lifters with compressed air.
3. Inspect the valve lifters for the following:
- Bent or broken clip (1)
- Worn push rod socket (2)
- Scuffed or worn sides (3)
If the valve lifter shows wear, inspect the engine block lifter bores for wear or damage.
- Flat spots on the roller (4)
- Loose or damaged pin (5) Plugged oil hole (6)
- Worn or damaged roller bearing
The roller should rotate freely with no binding or roughness.
4. Inspect the valve lifter guides for the following:
- For cracks or damage
- Excessive wear in the lifter mounting bores