Noise stops when I turn off the air conditioner. My husband thought it was the tensioner pulley and replaced it. That didn't work. I used a stethoscope on the compressor with the engine running. I didn't really hear the noise inside the compressor. Idler pulley maybe? The sound is definitely coming from the drive belt area. I'd rather that than the air compressor or pulley going bad. Much more expensive. Any advice?
If you have not performed any service, might be a good idea to replace the components that you have mentioned and check to see if the problems go away.
SOURCE: noise from front of motor
Yes the idler pulley can make noise, but not very common. It can do it though.
SOURCE: accleration problems 1998 ford f150 v6
probably the belt making noise , very common .
WHen a belt gets old it gets dry and cracks start to appear , the non-ribbed side of the belt may get dry & glazed also make noise . common problema are also tensioners that make the belt get out of line with the rest of the pulleys , look carefully because just a little miss-alignment can cause a belt to slip on the smooth side of pulleys and make noise . Misting water onto the belt may also help you determine what is making noise.
Good Luck and Watch your Fingers !!!!
SOURCE: NEED TO ROUTE SERPENTINE BELT AROUND SEIZED AC PULLEY ON 2001 TAU
Some Parts Stores Have A/C Bypas Belts you should call around
SOURCE: I have a 2005 Ford
my car is doing the same thing. please let me know if you ever figured out the problem. [email protected]
SOURCE: noise from front of motor
my ac never worked after i replaced so i gave up and dont turn it on. so why the loud noise around that area and belt came off
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Also, it usually idles at 500 rpm and it is now idling at 700 rpm.
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