Vehicle Not Level With Engine Running

Check compressor operation. If vehicle returns to normal height after 5 minutes of engine operation, perform following procedure.
Remove air tank. Apply compressed air into intake by applying 12 volts to tank solenoid valve and compressor relay.
Submerge tank into water and check for leaks. Also check air lines, joints, compressor and air discharge solenoid valve seat for leaks.
If vehicle does not return to normal height after 5 minutes, check for air leaks from areas indicated by arrows. See Figure .