FixVault

Cylinder Head Distortion

SPECIAL TOOL DESCRIPTION

G03901974
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: Using Straight Edge And Feeler Gauge To Inspect Cylinder Head For Flatness
G03897667Courtesy of FORD MOTOR CO.