Ford Taurus/Sable 1986-1995 Repair Information

Knocking Valves


When the valves are constantly noisy, check for the following, as necessary:

Unadjusted valve lash
Broken valve springs
Bent pushrods
Excessively worn camshaft lobes
Dirty or worn valve lifters
Worn valve guides
Excessive valve seat or face run-out
Loose rocker arm studs