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(Post Link) post #1 of 2 Old 27-07-15 Thread Starter
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Join Date: Apr 2008
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alfa spider

Help Please!

I have a 2003 Spider, that's developed a couple of strange noises. The air con has a bearing sound when its on, is that a failed compressor or a pump (and is it worth sorting)? I also have a clunk noise on acceleration, just a single clunk noise, sounds like its coming from the rear, any ideas - I would really appreciate some advice thanks Antony
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Easy enough to check the aircon compressor bearings.

Open the bonnet, the compressor is between the radiator and the engine on the right side of the car ( UK driver's side ).

Get a helper to start the engine and after a few seconds, if the aircon is on you'll hear the compressor engage. If it's isn't already on, get the helper to push the button. The compressor clutch engages with a loud 'crack' noise ( normal ). Experiment with the a/c on & off. You should then be able to determine whether it is the a/c compressor or not. If he noise goes away completely with a/c off, it may be the internal bearings, if the noise is always there ( but with reduced volume with a/c off ) it may be the pulley bearing.

You should have a 6 rib pulley on a 2003 so it shouldn't be too difficult to replace either used or recon.
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