GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2001
🢒
Chevrolet C-Series Medium Duty Truck B7
🢒
Brakes
🢒
Air Brakes
🢒 Moisture Ejector Valve Operational Check
Start the engine.
Charge the system air pressure to the governor cut-out point.
Have an assistant apply and release the brake pedal several times.
Check that a spurt of air occurs at the exhaust port.
Clean or replace or overhaul the valve (2) if there is no air at the exhaust port. Refer to
Automatic Level Control Air Dryer Replacement
or
Air Brake System Description and Operation
.