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Old 04-13-2011, 09:52 AM   #1
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Engine whine low revs up to 2100 rpm. Any ideas?

I've got a 2000 3.2 S, 42k, had the 48,000 service with the belt changes about 18 months ago. The last few days I've noticed quite a loud whine at low revs as per title, over 2100 the noise decreases significantly although it's still there. Anyone had this or knows what it's likely to be?
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Old 04-13-2011, 09:55 AM   #2
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powwr steering pump going out?
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Old 04-13-2011, 10:13 PM   #3
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Thanks for the lightning response tonycarreon, now you mention it it does sound like it could be that, although no tone change when turning the steering wheel - none that I noticed anyway...I will check it out further. Cheers for now.
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Old 04-14-2011, 06:48 PM   #4
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cavmar - if you are handy with a 10mm and a 24mm spanner, remove the poly-rib belt that drives the alternator, power steering, water pump and A/C and run the engine for no more than a minute or so (no coolant flow).
If the whine stops, then you know its any one of the above accessory's or the belt pulley's / tensioner that's causing the noise.
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Old 04-17-2011, 01:33 AM   #5
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Quote:
Originally Posted by Steve Tinker
cavmar - if you are handy with a 10mm and a 24mm spanner, remove the poly-rib belt that drives the alternator, power steering, water pump and A/C and run the engine for no more than a minute or so (no coolant flow).
If the whine stops, then you know its any one of the above accessory's or the belt pulley's / tensioner that's causing the noise.

Cheers Steve, defiantly worth a try, I sincerely hope the noise does stop at that point!
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Old 04-20-2011, 09:40 AM   #6
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Diagnosis

Thanks for your help guys, turns out to be a deflecter pulley to the left of the power steering pulley that was making the noise. New pulley on the way from design911.com, 40 + del + vat! Obviously I'm more than happy with that outcome. Thanks again guys for taking the time to post.
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