FixVault

Cylinder Head Distortion

SPECIAL TOOL(S)

G04617861
Straight Edge
303-D039 (D83L-4201-A) or equivalent
  1. Use a straight edge and a feeler gauge to inspect the cylinder head for flatness. If the cylinder head is distorted, install a new cylinder head.
    Fig 1: Inspecting Cylinder Head Flatness
    G04617862Courtesy of FORD MOTOR CO.