Non Active Fuel Management Valve Lifters
WARNING: This page is about a different car, the 2012 GMC Yukon, 2012 Chevrolet Tahoe, and 2012 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
- Clean the components in cleaning solvent.
- Dry the components with compressed air.
- 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.
NOTE:
Components that are to be used again must be marked, sorted or organized for assembly.
WARNING:
Refer to Safety Glasses and Compressed Air Warning .