Mark LT 2WD V8-5.4L VIN 5 (2007)
2. Position the camshaft to the rear of the cylinder head.
3. Zero the indicator.
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 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
1. Inspect camshaft lobes for pitting or damage in the contact area. Minor pitting is acceptable outside the contact area.
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If excessive pitting or damage is present, install new components as necessary.
Camshaft Lobe Lift
Special Tool(s)
1. Use a Dial Indicator Gauge with Holding Fixture to measure camshaft intake/exhaust lobe lift.
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Rotate the camshaft and subtract the lowest indicator reading from the highest indicator reading to figure the camshaft lobe lift.
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