Primary Supply Reservoir Safety Valve Leakage Test for Chevrolet Chevrolet C-Series Medium Duty Truck B7 2000

1. Coat the safety valve exhaust vent with a soap solution.



2. Check that the leakage is less than a 25 mm (1 in) bubble in 5 seconds.
3. Clean or replace the valve (1) if leakage exceeds these specifications.