Does my Grand Marquis have air suspension?
If you lift up the floor panel where the spare tire is, you will see on either side the air tanks for the air suspension .
How does the air suspension on a Mercury Grand Marquis work?
The air ride suspension on a Mercury Grand Marquis gives the vehicle a remarkably smooth ride. Standard shocks are enhanced with air bags, similar to the style used in large tractor trailers. The system is controlled by a computer, which turns an air compressor on and off to maximize rider comfort.
Is it normal for an AC compressor to fail?
This may not turn out to be true all the time, as the AC could have failed due to a fault in some other component. Therefore, instead of leaping to a wrong conclusion, it is better to ascertain if your AC compressor is really at fault.
How can I tell if my air suspension compressor is failing?
Most suspension systems are self-regulated and will automatically turn the compressor on and off according to the system’s requirements. The suspension system cannot function without it. 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.
Can a low pressure switch cause a compressor to go off?
Put the AC on MAX before checking the compressor. Before starting the next step of diagnosis, you should know that a low-pressure switch can create problems with the compressor clutch’s relay in some car models. The system’s computer keeps the relay grounded but it can go on and off due to the bad switch.
Why is my Mercury Grand Marquis AC not working?
Learn if it’s a simple fix or time to seek out a trusted technician. Not your vehicle? Why Isn’t My A/C Working? What are common reasons my Mercury Grand Marquis has air conditioning problems?
What to do if your air compressor does not turn on?
If the compressor does not turn on, check the fuse and replace it if necessary. If the fuse is not blown, you will need to replace your compressor. If the compressor seems to run fine, but cycles often, you need to inspect the system for a leak.
What kind of suspension does a Mercury Grand Marquis have?
by Allen Moore. The air ride suspension on a Mercury Grand Marquis gives the vehicle a remarkably smooth ride. Standard shocks are enhanced with air bags, similar to the style used in large tractor trailers.
How to troubleshoot the air suspension on a Ford / Mercury?
If the compressor does not turn on, check the fuse and replace it if necessary. If the fuse is not blown, you will need to replace your compressor. If the compressor seems to run fine, but cycles often, you need to inspect the system for a leak. Lift the hood and locate the air compressor.