Other information:
Removal
NOTE:
Removal steps in this procedure may contain installation steps.
Refer to: Gasoline and Gasoline-Ethanol Fuel Systems Health and Safety
Precautions (100-00 General Information, Description and Operation).
Disconnect the battery...
Inspect the camshaft lobes for pitting or damage in the
active area. Minor pitting is acceptable outside the active area. The
active area includes the opening ramp and closing ramp. The opening ramp
is the point where the lifter just begins to lift until the point it
reaches the nose of the lobe...