Tools Required

J 7872 Magnetic Dial Indicator Set

1. Measure the camshaft journals with a micrometer.

If journals are more than 0.025 mm (0.0010 in) out-of-round, replace the camshaft.




2. Measure camshaft runout using J 7872 .

2.1.	Mount the camshaft in wooden V-blocks or between centers on a fixture.

2.2.	Use the J 7872 in order to check the intermediate camshaft journal.

3. If runout exceeds 0.05 mm (0.002 in), camshaft is excessively bent and should be replaced.