Air suspensions annex been in operate for decades directly, and not ethical in semis and Cadillacs. Added recently, custom motorcar builders keep been using air suspensions to either pay for lower or force higher. Sometimes, nevertheless, they fluctuate. Troubleshooting air suspension problems can be tricky, on the other hand it's not impossible by any resources to both figure elsewhere the problems, and set them.
Instructions
Air Leaks
1. Fill the baptize bottle with irrigate and then situate a sporadic drops of soap in the bottle.
2. Squirt the soapy flood onto the air Trimmings to inspection for leaks. Provided the becoming bubbles up, then you own a leak since corner. Thanks to event, tighten the becoming with a wrench, or remove and reinstall the becoming with thread sealant.
3. Undo the fitting with a wrench. Employ two wraps of Teflon tape approximately the becoming, then tighten the becoming and test again.
4. If the fitting still leaks, you may have a cracked fitting. Replace the fitting and reinstall, then test again.
Pressure Switch
5. Check the pressure switch in the air system. Often if the pressure switch isn't working, the air supply isn't being filled, and therefore your vehicle won't lift. Test by jacking up the vehicle in the air and setting on jackstands.
6. Drain the air tank. Generally there is a drain plug at the bottom of the tank.
It should show a light on both connections. If it doesn't, check the fuse. Replace if necessary8.7. Turn on the vehicle so that pressure switch should activate. Place a test light on the wiring.
Replace the pressure switch if the fuse is functioning properly but the switch still doesn't turn on.
Testing the Compressor
9. Test the compressor for power if the pressure switch is working but the tank is not filling up with air.
10. Place the test light on the power lead to the compressor(s). If it doesn't get power, check the relay running power to the compressor or the fuse running to the compressor.
11. If the fuse is bad, replace it and test again. If it's good, test the relay with the test light. If it doesn't work, replace it.
