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post #4 of (permalink) Old 10th March 2007
jack daniels
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try spraying silicon spray directly onto only the belt itself while the engine is idling, and avoid spraying the pullies.
If the noise dissapears then it is probably the belt itself and not a pully.
My auxillary belt looked brand new and the car had very low milage, however after the belt was taken off it was easy to feel that the old belt was very soft and clearly defective. perhaps just a bad batch of rubber, maybe oil /chemical damage.

cost of new belt: £12
time to replace belt: 10 min.
tools required: 1 x 10mm spanner
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