Grand Marquis V8-4.6L Flex Fuel (2010)
Camshaft: Procedures
Camshaft Journal to Bearing Clearance - OHC Engines
Camshaft Journal to Bearing Clearance - OHC Engines
NOTE: Refer to the appropriate Engine for the specification.
1. NOTE: The camshaft journals must meet specifications before checking camshaft journal clearance.
Measure each camshaft bearing in 2 directions.
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Subtract the camshaft journal diameter from the camshaft bearing diameter.
Camshaft End Play - OHC Engines
Camshaft End Play - OHC Engines
NOTE: Refer to the appropriate Engine for the specification.
1. Using the Dial Indicator Gauge with Holding Fixture, measure the camshaft end play.
2. Position the camshaft to the rear of the cylinder head.
3. Zero the Dial Indicator Gauge.
4. Move the camshaft to the front of the cylinder head. Note and record the camshaft end play.
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If camshaft end play exceeds specifications, install a new camshaft and recheck end play.
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If camshaft end play exceeds specification after camshaft installation, install a new cylinder head.
Camshaft Surface Inspection
Camshaft Surface Inspection
1. Inspect camshaft lobes for pitting or damage in the contact area. Minor pitting is acceptable outside the contact area.
