Econoline E350 1 Ton V8-5.4L Prop SOHC VIN Z (1998)
Exhaust Manifold: Testing and Inspection
1. Place a Straightedge across the exhaust manifold flanges and check for warping with a feeler gauge.
NOTE: The 4.6L exhaust manifold is shown; the 4.2L exhaust manifold is similar.
