Tools Required

J  7872 Magnetic Base Indicator Set

1. Measure the camshaft journals with a micrometer.
2. If journals are more than 0.025 mm (0.0010 in) out-of-round, replace the camshaft.



3. Measure camshaft runout using tool J 7872.

Mount the camshaft in V-blocks between centers.

4. If runout exceeds 0.065 mm (0.0026 in), camshaft is excessively bent and should be replaced.