answersLogoWhite

0

The A/C system compressor operates when in the defrost mode. If the noise is also heard when running the A?C it is more than likely a problem with the compressor/pulley.

User Avatar

Wiki User

15y ago

What else can I help you with?

Related Questions

What is the cause of a heater fan in a 2003 Alero to only make noise when on the defrost setting?

was there something on your dash that fell in the vent, a bad fan will make noise all the time.


Why does the engine make noise when the lights are turned on?

Alternator straining to maintain battery charge?


Valve train noise big block Chevy when hot?

Engine running hotter then 220 degrees can cause valvetrain noise. Bad fuel can also cause valve noise / PINGING sound. Ignition timing to high / Advanced to far, can also cause engine noise.


Can a bad harmonic balancer make a knocking noise?

A bad harmonic balancer can cause a knocking noise. The harmonic balancer doesn't actually produce the noise, but it can cause the noise in the engine.


My car made a tubbling noise and the engine light turned on?

There are pages and pages and items that can cause a check engine light. You need to have it checked for codes with a scan tool. After repair light can be shut off with scan tool.


Whirling noise under hood for 10 seconds after engine is turned off?

It is probably your cooling fans. These are electric and may run with the engine turned off. It is probably your cooling fans. These are electric and may run with the engine turned off.


Can bad fuel filter cause rattling noise in the engine?

No


What would cause juddering noise on car?

cold engine


What could be the problem in a 1998 lumina that has a growling noise when ever accelerating and sometimes when the AC is turned on high?

Several things could be making the Lumina growl. Check the belts and pulleys on the front of the engine. Check the engine mounts as well. Either of these areas can cause the problem of the growling noise.


What would cause a squealing noise when the ac is turned on?

check a/c compressor and belt.


What could cause a whistling noise while running air conditioning?

A bad compressor belt can cause a whistling noise while running the air conditioner. A bad engine can also cause this noise.


Why does my fridge keep making noise?

Your fridge may be making noise due to the compressor running, the fan motor operating, or the defrost cycle activating. These are normal functions of a refrigerator and should not cause concern unless the noise is unusually loud or persistent.