What is the intake clearance on a Cummins diesel?
What is the intake clearance on a Cummins diesel? Feeler Gauge Intake Clearance: 0.254 mm [0.010 IN] Exhaust Clearance: 0.508 mm [0.020 IN] Check/set valves with engine cold – below 60° C [140° F]. NOTE: The clearance is correct when some resistance is “felt” when the feeler gauge is slipped between the valve stem and the rocker lever. How to adjust valve clearance on Cummins B series? From the Cummins B series Operation and Maintenance manual: The adjustment is correct when some resistance is felt when the feeler gauge is slipped between the valve stem and the rocker lever. 7....