Question about 1998 Ford Crown Victoria

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Air compressor pulley

Sound like front part lose

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Remove the drive belt and spin the pulley. It there is a noise then the pulley bearing is failed. Reinstall the belt and turn ac on and if the noise starts then it will be in the compressor.

Posted on Jan 02, 2014


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Ford Expedition 2001 crankshaft sensor location and installation

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Try that couple times and start car in between times using the air conditioning.  Not sure if you can replace the clutch unit or have to replace the compressor as a unit which would lose the Freon or R2 or whatever the new stuff is called now...
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Broken v belt and pulley for air conditioning .I am getting conflicting information about replacing the air con pulley.Can the air con pulley be supplied on it's own part or do I have to buy the power...

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You probably have bad bearings in the A/C clutch pulley. Remove the drive belt and spin the pulley for noise and shake it around for play. Any noise or play and you need a new clutch. Also see if the front hub on the compressor turns easy. If not, then the noise could be the compressor locking up. Reman compressor might be the least expensive route.

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Air compressor noise

a general rule of thumb is that if you have a bad a/c clutch you should replace the whole a/c compressor. it has been my experience that usually when you replace the clutch only a short time later the compressor fails because the seals get worn from the malfuntioning clutch and you lose the refrigerant and you have a locked up compressor. if you have a 134a system the whole pump should only cost about 130-165 dollars for a sanden style pump. the clutch alone cost half of that and maybe more. hope this helps. by the way when you open the system make sure that you replace the dryer moister will get in when you open the system and it will plug the dryer. when fully charged the system should read 35 psi on the low side and 130-150 on high side. also power wash the condenssor which is mounted on the front of the radiator this will allow the outside air to flow more freely through the coils and fins and make your a/c run more efficiently. please rate this solution......thanks

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