Valve Lifter and Guide Cleaning and Inspection 5.3L

Important: Components that are to be used again must be marked, sorted or organized for assembly.

1. Clean the components in cleaning solvent.

Caution: Refer to Safety Glasses Caution in the Preface section.

2. Dry the components with compressed air.
3. Inspect the valve lifters for the following conditions:

•	Bent or broken clip (1)

•	Worn pushrod 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.

Important: Components that are to be used again must be marked, sorted or organized for assembly.

1. Clean the components in cleaning solvent.

Caution: Refer to Safety Glasses Caution in the Preface section.

2. Dry the components with compressed air.
3. Inspect the valve lifters for the following conditions:

•	Broken or collapsed spring (1)

•	Worn pushrod socket (2)

•	Plugged lubrication hole (3)

•	Plugged lifter oil-switching hole (4)

•	Flat spots on the roller (5)

•	Worn or damaged roller bearing (6)

•	The roller should rotate freely with no binding or roughness.

•	Scuffed or worn sides (7)

Inspect the valve lifter guides for the following conditions: