| Air Suspension System Leaks |
| – Step 1: Spray soapy water on all air springs, air line fittings, and valve block connections to identify bubbles. |
| – Step 2: Inspect air spring surfaces for physical damage or aging cracks. |
| – Step 3: If the leak cannot be located, conduct a segment isolation test to determine if it’s in the air spring section or the supply line/valve section. |