For 1990-2009 cars

Caution: Refer to Valve Lifter Priming Caution in the Preface section.

1. Inspect the stationary hydraulic lash adjuster (SHLA) in the following areas:

• | A plugged oil passage (1)

• | A scored or worn camshaft follower pivot area (2)

• | A damaged or broken retainer (3), some applications

• | A severely scuffed or worn SHLA body (4)

2. Replace the SHLA or SHLAs as necessary.