E 250 3/4 Ton Van V8-5.4L CNG VIN M (1997)
Timing Chain: Testing and Inspection
Make sure the timing marks on the (A) crankshaft sprocket and (B) camshaft sprocket are positioned across from each other as shown in the illustration.
The (C) engine balance shaft driven gear and (D) engine balance shaft drive gear must be positioned as illustrated.
