Why did the a/c on my 2001 Mercury Grand Marquis stop blowing cool air?

Asked by Jun 08, 2015 at 07:55 PM about the 2001 Mercury Grand Marquis GS

Question type: Maintenance & Repair

The air conditioner was working fine the last time I ran it and then it was only blowing
warm air. The compressor is not kicking on. It was suggested that this could be caused
by a fuse or low refrigerant.I haven't taken it to shop yet. Any ideas?

2 Answers

16,790

Yes that would be the first two things to check first low or no freon and fuse. If no freon you have a leak because if it was just low the compressor would click off and on.

9,875

I've had pressure switches get hung up as well. Being a 2001 it is a possibility. The low pressure switch is typically located at the accumulator (canister). I've given them light taps with the handle of a screwdriver to free them up. But ultimately I would recommend to have the system inspected and tested for charge.

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