Camshaft and Bearings Clean and Inspect

^ Tools Required
- J7872 Magnetic Base Indicator Set





1. Measure the camshaft journals with a micrometer.
If the camshaft journals are not within specifications, replace the camshaft. Refer to Engine Mechanical Specifications.





2. Measure the camshaft runout using J7872.
2.1. Mount the camshaft in V-blocks between centers.
2.2. Use J7872 to check the intermediate camshaft journal.
3. If the runout exceeds specifications, the camshaft is bent and should be replaced. Refer to Engine Mechanical Specifications in Camshaft, Engine.