FixVault

Valve Clearance: Notes

  1. Warm engine to normal operating temperature. Remove cylinder head cover. Rotate crankshaft until cam lobe of cylinder to be adjusted points upward. Check valve clearance.
  2. Correct adjustment (if necessary) by using US 8005 adjusting tool and making complete turns of adjusting screw. See Fig 1. Each turn changes clearance by 0.002" (.05 mm).
NOTE: Various adjusting screws are available. Camshaft must be removed to replace screws.
Fig 1: Adjusting Valve Clearance
G09345066Courtesy of PORSCHE CARS NORTH AMERICA, INC.