Valve Tappet - Inspection

Push rod engines 

1. Inspect the hydraulic valve tappet and roller for damage. If any damage is found, inspect the camshaft lobes and valves for damage.
   Fig 1: Inspecting Hydraulic Valve Tappet And Roller (Push Rod Engines)

   Courtesy of FORD MOTOR CO.

   OHC engines 

   Fig 2: Inspecting Hydraulic Valve Tappet And Roller (OHC Engines)

   Courtesy of FORD MOTOR CO.