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2000 deville dhs,heard a noise form engine compartment sounded like something was hitting a fan blade got louder when acceleratingit eventually went away.today used the car and noticed the ac on drivers side was a lot warmer than the passenger side which really wasnt cold either?
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may be you should
make a diagnostic and you can do it in a garage or you can do it by yourself
if you want to do it by yourself you need
some tools
and you can find some good ones here: spobd2.com
The clicking is generally caused by a flat roller bearing. If the sound seems to be from the fan clutch you can grab the fan blades and see if the bearing is worn by rocking the blade by pulling it towards you and rockng it away from you Another way to see if its bad is to use a solid pole something like a broom handle. Place one end of the handle on the accessory that runs off the serpentine belt such as the alternator and place your ear on the other end of the handle. As the engine runs you can hear a bearing making noise revolving as it move. If a bearing is bad the noise will be much louder and have a heavy grinding noise
We have the same tapping sound on our 2003 Envoy six cylinder engine. I believe the sound is coming from the radiator fan clutch assembly. When the engine reaches its operating temperature and the fan clutch engages, the tapping sound goes away.
Firstly we need to know what model etc. Noisy fan if viscus could be the viscus itself - fan blade hitting something on the shroud / housing. First check & make sure the small bolts haven't shaken lose. Good luck
sounds like something was jammed, or loose. I'd recommend taking it back to where the brakes were done and have them check it out in case something they did is messed up.
would that make the noise i heard and if it is the compressor what do you think it would cost to have replaced?
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