For 1990-2009 cars only
Removal Procedure
- Block the vehicle's wheels.
- Set the parking brake.
- Drain the air reservoirs. Refer to Draining Reservoirs .
- Remove the drain cock.
Installation Procedure
- Install the drain cock.
- Start the engine. Charge the air system to the governor cut-out point.
- Perform a leak test. Refer to Air Leakage Check .
- Check for the proper brake operation.
- Remove the wheel blocks.
