Valve Lifters and Guides Cleaning and Inspection

WARNING: This page is about a different car, the 2003 GMC Sonoma and 2003 Chevrolet S10 Pickup. However, it is still accessible from the selected car via links, so may be relevant.

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

Mark, sort, or organize the components for assembly. Refer to SEPARATING PARTS .
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:
- 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.
  
  Fig 1: Inspecting Valve Lifter
  Courtesy of GENERAL MOTORS CORP.
- 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.
Inspect the valve lifter guides for the following:
- For cracks or damage
- Excessive wear in the lifter mounting bores
  
  Fig 2: Inspect Valve Lifter Guides
  Courtesy of GENERAL MOTORS CORP.