HEATER TYPE HOT AIR COMING OUT OF VENTS INSTEAD OF COLD AIR FROM AIR CONDITIONING

2008 Mercury Marquis

Tiny

iforman

October, 14, 2011 AT 12:21 AM

Hot air depending on the temp setting, very hot at 90 degree setting and medium hot as I lower the setting but NO COLD AIR. Blower blows OK. It appears the A/C settings are completely ignored.

FOUND 536 RELATED QUESTIONS

6 Answers

Tiny

Jacobandnickolas

October, 14, 2011 AT 12:23 AM

Is the AC compressor engaging?

Tiny

iforman

October, 14, 2011 AT 12:30 AM

I really don't know, how do I check that?

Tiny

Jacobandnickolas

October, 14, 2011 AT 1:01 AM

When you turn the ac on, with the engine running, open the hood and watch the compressor clutch (on front of compressor pulley). You will hear a click and see the center of the clutch spin.

Tiny

iforman

October, 14, 2011 AT 1:14 AM

I'll check it out tomorrow and get back to you, thanks

Tiny

Jacobandnickolas

October, 14, 2011 AT 1:25 AM

I'll look for your response.

Tiny

iforman

October, 14, 2011 AT 7:54 PM

Hi, I checked the compressor wheel and when I turn on the a/c the front compressor wheel does start to turn.

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