The air bag light is flashing and I do not hear the compressor going on. How do you troubleshoot this system and How involved is the removal and replacement of the compressor if need be. The air bags were replaced a year ago so I am not anticipating a problem there.
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Re: 92 lincoln towncar air bag light flashing
Air suspension is controlled by the compressor in your engine compartment. The compressor runs when the suspension is not level. Either because you have loaded the car with exceptional weight and the system is now adjusting the ride, or you have a leak in the system, or you have a bad sensor.
If you have a leak, the most likely culprit are the air suspension bags, the air suspension solenoids or possibly the lines to them.
Try these sites:
I don't work for either of them. I own a 96 TC and have replaced my air suspension with coil springs form Strutmasters. Work GREAT and I have no more air suspension problems. Rides just as good too. You can't tell the difference.
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Driver Air Bag Circuit Resistance High
GO to Pinpoint Test J .
PINPOINT TEST J: LFC 32/DTC B1932 - DRIVER AIR BAG CIRCUIT RESISTANCE HIGH NOTE: Most faults are due to connector and/or wiring concerns. Carry out a thorough Inspection and Verification before proceeding with the Pinpoint Test.
J1 CHECK FOR A HARD OR INTERMITTENT DTC
WARNING: Restraint system diagnostic tools are for service only. Tools must be removed prior to operating the vehicle over the road. Failure to remove restraint system diagnostic tools could result in injury and possible violation of vehicle safety standards. WARNING: Never probe the connectors on the air bag module. Doing so can result in air bag deployment, which can result in personal injury. NOTE: After diagnosing or repairing an SRS, the restraint system diagnostic tools must be removed before operating the vehicle over the road. NOTE: The SRS must be fully operational and free of faults before releasing the vehicle to the customer.
Your best bet is to take this problem to a ASE certified repair shop .
air bags solenoid is stuck open releasing air this happens when you raise then lower car in normal working mode valve opens closes as need to maintain ride hight when car is jacked up it thinks the bags have been filled emtys bags when you lower car down to readjust height you need new bags and a new compressor it will burn up trying to fill fill fill when it cannot suncore industries around 370.00 for everthing 2 to 3 hrs to replace
your bags may need replaced in the rear
i have seen this many times with several different solutions to the problem
more times i have seen the air ride bags blow out-which the compressor will stil work but with holes in the bags they will not air up
sometimes i have seen the valve go bad which i believe is located on the rear diff
1st when the airbag light is on the system is disabled, so if u have an accident they will not work, as to the common cause read below. When the airbag light is on it means a fault has occurred in the system and the airbag diagnostic monitor has disabled the system, the most common problem that turns the light on is a break in the connection to the steering wheel mounted airbag, this is due to a rotating ribbon contact that breaks under the steering wheel that connects the airbag to the wiring harness and the diagnostic monitor, the part is called th clock spring contact, a coiled up ribbon electrical contact that turns with the wheel
Check rear lines & fittings for a leak, or perhaps a dump valve stuck open. Should be able to hear it, but if not, try spraying along lines & fittings with a little dish soap & water in a spray bottle. The bubbles will find it for you.
Check your rear air springs see if they have any cracks if so the pump may be burned up since a leak will cause pump to run more thn normal and fry pump if no cracks in air springs the dealer might be the only help, also keep in mind you can replace air spring with regular coil springs (marquis,crown vic) and add some after market air shocks that you can fill with reg air compressor
all u have to do is what we call fooling the system.first locate the off switch for the air suspension and turn it off.its usually in the trunk on on either side ,its not hard to find. then turn the key forward as far as it will go without starting the engine.get a couple friends and get in the trunk be still and quiet then switch the switch on and listen for the compressor to come on,its located behind the driver head light so listen in that direction.once the compressor comes on wait...then when it stops turn the switch off and leave it off and everyone get out and it will have lifted as much as 7 and half inches.now if its to high just turn the key foward go back to the switch and turn it on and the car will start decending slowly but pay attention because you wanna turn the switch off about a quarter inch higher than you want it because it will settle a little after sitting or driving.i have a 94 lincoln with 8 12 inch subs thats lowered with the original airbags and i also have a 2001 lincoln lifted 8 inches with 26s using the original bags once again.[a little tip:rub down your bags with motor oil while fully inflated then wipe dry this will add around 2 to 5 years to the bags.MAKE SURE YOU wipe ALL excess oil off everything if not sand will stick and make holes quick. it is really worth it though.