Question about 2003 Ford ZX2

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A/C clutch/compressor doesn't engage when A/C is turned on and noticeable rattling/chattering coming from the clutch/compressor area.

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Just needs to be replaced. My car had the same problem a year ago.

Posted on Jun 20, 2009


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I'm not familiar with that code but, the A/C compresser is supposed to come on with the de-frost setting. Sounds like it could be a problem with the heater A/C control panel. As for the burning smell,it could be dust burning off the heater core, or possibly your blower motor trying to go out.

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loose mounts,? frayed belt? noise sounds like what, (scream or rattle)

clutch engaged or now , look and see? or turn it off. and make sure it is off the clutch free spins, OFF.
if off, and noise still, get a new clutch bearing.
if only noise, with clutch engaged that is pump noise
ever heard of a $5 stethoscope at harbor fright.? get one listen to it.
if only the compressor makes noise its bad, end of life.
sure it makes noise , new. listen 1 one other car, to learn good from bad, takes what 5min?

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2004 Chrysler Voyager, had an acrid burning smell and a lot of smoke when heater is turned on, also a rattling/squealing noise, all stops when heater turned off?

you more than likely have a sciezed air con compressor. most modern cars have climate control which uses air con even when demisting and when engaged the electric clutch tries to engage but the pump itself will not turn, clutch will get red hot and burn your belts

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When fly wheel is bad

A failing dual mass flywheel will first rattle when depressing or releasing the clutch, then proceed to exhibit symptoms similar to clutch chatter even after full engagement: This malfunction will typically occur during initial engagement and while shifting through the lower gears.

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2005 kia spectra chatter noise when i put the ac on


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Air Conditioner Compressor Clutch Problem

If you did not use a vacuum pump from a dry system them the system will not work.

Jul 04, 2017 | 2002 Chrysler PT Cruiser

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Just bought a 2004 Elantra (93000 miles) with 5 speed tranny. With the hood up and my daughter behind the wheel I noticed a rattling sound (in neutral) coming from the clutch/transmission area when the...

I would be checking the throwout bearing. But, if the clutch isn't slipping, maybe leave it for now?

If you put it in 5th gear, let out the clutch with handbrake applied and it stalls--the clutch isn't slipping for sure.

Jan 31, 2011 | 2004 Hyundai Elantra

1 Answer

2003 suzuki sx awd. during hot days 22 celsius, turn on a/c and loud rattling noise starts when car is at standstill at traffic lights. no rattling when on the move with a/c on. any good diagnostics will...

This hjas a possible two part problem, the first part is the a/c compressor has a clutch on the end of the shaft and is engaged with the a/c compressor switch turned on, which means while the car is running, you turn on the a/c and walla, you get cold air(as long as it is fully charged), the belt drives this clutch which in turn spins the inside of the compressor and starts to mechanically **** freon into it through means of the low(suction) side, the larger diameter port, once low pressure freon either 134a for everything built after 1994 or freon r12 for cars built before 1994 enters the compressor it is then compressed into a high pressure liquid which has a high pressure test port that is always smaller in diameter then the low side (fill) port.
When the clutch is engaged, it will only slightly rattle after it gets a few thousand miles on it however as the vehicle gets more useage and the a/c gets more useage(considered extreme condition useage) more use then normal vehicles would otherwise get, the clutch starts to wear out causing this rattle. A clutch head puller is used to remove the clutch can't do it without the proper tools, the belt must come off before doing the replacement.
Any parts store will have the tools and the clutch, you don't have to release any freon for this repair.
Another reason for a rattle could be the a/c system is low on freon and oil.
Buy a freon charge kit with a one pound can of 134a freon + oil combo and with the car running and a/c on high blow full cold attach the charge hose and freon into the low side port, rattle should cease soon as the vehicle reaches is full charge, should't take more then 2 pounds(cans) of freon, system hold 2 3/4 pounds empty each can is one pound.
Happy Motoring!!

Jun 09, 2010 | 2003 Suzuki Aerio

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AC blowinghot air

Locate wires coming from compressor clutch and trace to nearest plug that you can unplug. Turn on A/C to max cooling. If clutch not engaged (center of compressor drive pulley not spinning with pulley), unplug compressor clutch wires and use multimeter to check voltage going to compressor clutch. If voltage is around 12 volts or more, then clutch should be engaged when plugged in. Plug clutch wires back in (with motor still running and ac set to max). If clutch still not engaged, then clutch definitely bad because 12V signal should engage it.

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