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I can hear a high pitch sound that sounds like a failing bearing to me. I think the sound is coming from one of the bearings on the accessory belt loop. Initially I though it was the idler pulley and/or the tensioner pulley since there is play in their bearings. Now I am not sure. I wander if it is the power steering pump, it seems noisy and gets noisier with engine speed (I just changed the fluid to Mobil 1). How noisy should a power steering pump be? Should I hear it over the engine up to certain RMPs? What does a failing alternator sound like? HELP I am supposed to go on a long trip this weekend.
92-960, 195 000 km.
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