Total cost about a 2500.
Air suspension compressor wont turn off.
Air bag bottomed out.
Air bag is suspension limiter in compression.
The only way to turn it off was to turn it off at the panel.
Motor wont turn off keeps trying too run when full of air if the compressor motor is still running after the air pressure in the tank reaches the normal cut out air pressure level then look to your pressure switch first as the source of the compressor problem.
Last night the pump came on and would not turn off.
There is the chance of a blown fuse for the air compressor pump.
I have a firestone ride rite system on a truck i just purchased used.
That pressure cut out level may be in the 100 psi through to 175 psi level depending on the brand and size of your air compressor.
Faulty relay or blown fuse the air suspension compressor relay is known to fail.
Consider adding a on board air compressor system for convenient air pressure adjustment.
Motor wont turn off keeps trying too run when full of air.
Most suspension systems are self regulated and will automatically turn the compressor on and off according to the system s requirements.
This may cure an intermittent problem.
If the air suspension compressor is kept engaged for too long it can get damaged.
1 cause of air bag mutilation is insufficient pressure for load or use.
Tasmania australia recently the suspension air compressor completely burnt out and i had the vw dealership replace it and the relay and 40 amp fuse.
A day later the compressor would not shut off when the motor was switched off.
Add or adjust jounce bumper for full contact before air bag bottoms out especially for 4wd vehicles.
If the compressor is failing to come on at all then that is a sign that it has either failed or it is having an issue.
It could either not engage the air suspension compressor at all or even worse keep it engaged for longer that required.
If it does not you may have further problems with the system that require the assistance of a dealer.
Please power off the compressor dump the air to below cut in pull the top off the switch double check the wiring make sure that the switch is rated for 240 volts and power up the compressor.
The suspension system cannot function without it.
The controller showed pressures exceeding 100 psi and the only way i could turn it off was to disconnect the wiring even after turnin off the ignition.