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51. Valve Lifter Cleaning and Inspection

Valve Lifters Cleaning and Inspection

1. Clean the valve lifters in cleaning solvent. Caution: Refer to Safety Glasses Caution.

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