Camshaft Runout
- Use a Dial Indicator Gauge with Holding Fixture to measure the camshaft runout.
- Rotate the camshaft and subtract the lowest indicator reading from the highest indicator reading.
- For additional information, refer to GENERAL SPECIFICATIONS .
- If out of specification, install new components as necessary. Refer to ENGINE - 3.9L article.
NOTE:
Camshaft journals must be within specifications before checking runout.