Automatic Level Control System Leak Test

WARNING: This page is about a different car, the 2011 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.

Special Tools

J 22124-B Pressure Gauge (0-300 psi)

Disconnect the air tube from the air dryer.
Attach the air tube to the J 22124-B on the side opposite the toggle valve.
Close the toggle valve.
Apply service air pressure to the service valve and pressurize until the J 22124-B reads 550 kPa (80 psi).
Verify that the system maintains pressure for at least 1 minute.
- If the system does not maintain the specified pressure for the specified amount of time, check the shock absorber air sleeves, air tubes, and all connections for air leaks using a soapy water solution. Repair or replace any leaking components. Refer to Air Tube Replacement , and Shock Absorber Replacement (FE7) , Shock Absorber Replacement (FE1, FE3) .