Mustang GT V8-4.6L SOHC VIN X (1998)
Camshaft: Testing and Inspection
Journal
Clearance
1. Remove all foreign material and oil from the camshaft journals and cylinder head bearing surfaces.
2. Set the camshaft into the cylinder head.
3. Position Plastigage material on top of the journals in the axial direction.
4. Install cylinder head journal caps.
5. Loosen the cylinder head journal cap bolts.
6. Remove cylinder head journal caps.
7. Measure the camshaft oil clearance. The standard camshaft oil clearance should be 0.025-0.076 mm (0.0010-0.0029 inch). The maximum service
limit is 0.121 mm (0.0048 inch).
Diameter
Measure the journal diameters in the X and Y directions at points A and B as shown.
Replace the camshaft if not within specifications.