Valve Lifters and Guides Cleaning and Inspection

WARNING: This page is about a different car, the 2002 GMC Yukon XL, 2002 Chevrolet Suburban, and 2002 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

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

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

Clean the components in cleaning solvent.
CAUTION: Refer to SAFETY GLASSES CAUTION In Cautions and Notices.
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)
- A loose pin (5)
- A plugged oil hole (6)
If flat spots are found on the lifter(s), inspect the corresponding lobe on the camshaft for damage.

Fig 1: Valve Lifter Inspection Areas
Courtesy of GENERAL MOTORS CORP.
Inspect the valve lifter guides for the following:
- Excessive guide slot side wear
- Cracks or damage
Fig 2: Valve Lifter Guides
Courtesy of GENERAL MOTORS CORP.
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
Fig 3: Valve Lifter Guides Retainers
Courtesy of GENERAL MOTORS CORP.