Question about 2003 Mercury Grand Marquis

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Air suspension compressor sounds bad and wont pump up the rear on a 2003 mercury grand marquis

Rear end sagging and compressor runs for 10 seconds but will not lift the rear end of 2003 grand marquis

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What is odd is the compressor stopping after so short a time. It may be your only problem.

When you have a leak in the system, the compressor keeps running because the sensors do not signal for it to shut off. On your vehicle it is either being told to shut off prematurely or the compressor is triggering a circuit breaker.

There are ride height sensors on the rear. If the vehicle was lifted without turning off the Air ride, the sensors may have been stretched.

You can check for air leaks in the suspension bags, and air lines using a spray bottle of soapy water. There is also a Master dump valve that should be ahead of the Drivers front tire/radiator well area. It is not a concern unless there is no pressure in the system.

Finally, just as the engine can express diagnostic Codes, so can the suspension. You need a better scanner to do this function. It is the quickest way to find the problem.

Please rate my info.

Posted on Jan 22, 2013

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Posted on Jan 02, 2017

ancdlm
  • 58 Answers

SOURCE: Check Air Suspension for 2000 Mercury Grand Marquis

It sounds to me like your compressor got killed. What probably happened is that the airbag got a hole or tiny crack in it so the compressor has to work extra hard because it is like blowing up a balloon with a hole in it. Therefor the airbag killed the compressor. I would recommend going to strutmasters.com and taking a look at our conversion kits. these convert you from the airbag to a powder coated American made steel coil spring that is guaranteed to last the life of the car. I added the link below so you can check it out.
http://www.strutmasters.com/mercury-suspension-parts-s/25.htm

I hope I was of some help
Good Luck!!!

Posted on May 06, 2009

juncro
  • 467 Answers

SOURCE: 2003 Mercury Grand Marquis radio reception problem

check the back of the radio, make sure than the antenna, connector is plug into the radio, if it is, then replace the radio.

Posted on Jul 30, 2009

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I always recommend going to a Salvage yard and asking about the parts and asking if I can look at where the parts go. That way you are not tearing up your car trying to do something you don't have tools for.

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What is probably going on is the air suspension has a leak so the compressor is breaking down. So it will run at odd times trying to make up for the times it can not run. What you need to do is look for a conversion kit. The conversion will stop all problems that you are having now and you will never have to worry about it again. I would recommend strutmasters.com. They have great prices and there kits are guaranteed to last the life of the car. I posted the link below so you can take a look.

http://www.strutmasters.com/lincoln-suspension-parts-s/1.htm

I hope I was of some help

Good Luck!!!

May 03, 2009 | 1995 Mercury Grand Marquis

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Check Air Suspension for 2000 Mercury Grand Marquis


It sounds to me like your compressor got killed. What probably happened is that the airbag got a hole or tiny crack in it so the compressor has to work extra hard because it is like blowing up a balloon with a hole in it. Therefor the airbag killed the compressor. I would recommend going to strutmasters.com and taking a look at our conversion kits. these convert you from the airbag to a powder coated American made steel coil spring that is guaranteed to last the life of the car. I added the link below so you can check it out.
http://www.strutmasters.com/mercury-suspension-parts-s/25.htm

I hope I was of some help
Good Luck!!!

Apr 10, 2009 | 2000 Mercury Grand Marquis

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