to check if its the pullies, take the belt off and start it to see if it goes away. Thats the easiest test you could do I`d say. Dont run it for to long because nothing is spinning including the water pump, but it`d be enough to check to see if its a pully.
Silver '05 TJ
1 3/4" spacers in the back, BDS 5500 shocks all around, 31" trXus MTs
if it is, start spinning the pullies by hand seeing if one feels rough or loose. water pump bearings go bad, also check for fluids leaking onto the belt, power steering or coolant.
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