Operation CHARM: Car repair manuals for everyone.

Engine Noise





2. Engine Noise
Valve lash adjusters may make clicking noise once engine starts. It is normal if clicking noise ceases after a few minutes.
If clicking noise continues for more than a few minutes, inspect Hydraulic Lash Adjuster (HLA) in accordance with the following flow chart.





If noise still exists, conduct diagnostics procedures in accordance with the following table.

CAUTION: Do not disconnect spark plug cord while engine is running.