32. Camshaft and Bearings Clean and Inspect

Camshaft and Bearings Cleaning and Inspection

^ Tool Required
- J 7872 Magnetic Base Dial Indicator





1. Clean the camshaft in solvent.
2. Dry the camshaft with compressed air.
3. Inspect the camshaft for the following conditions:
^ Worn, scored, or damaged bearing journals
^ Worn camshaft lobes
^ Damaged sprocket pin
4. Measure the camshaft journals with a micrometer 27.939 - 27.960 mm (1.099 - 1.101 inch).
5. Measure for a bent camshaft or excessive camshaft runout using J 7872.
5.1. Mount the camshaft in V-blocks between centers.
5.2. Use the J 7872 in order to measure for a bent camshaft. Radial runout 0.06 mm (0.0023 inch).
6. Replace the camshaft if runout exceeds specifications.
7. Inspect the camshaft bearings and bearing cap surfaces for the following:
^ Wear
^ Scoring
^ Overheating from lack of lubrication