https://www.youtube.com/watch?v=PyzgQ3o5n8E
My 4age 20v BT makes a screeching sound when revving/accelerating/downchanging. It sounds like it is coming from the alternator.
Has anyone had a similar problem or know what could be causing it?
Screech coming from alternator when revving?
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Screech coming from alternator when revving?
by _Matt » Thu Mar 27, 2014 8:16 pm
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Re: Screech coming from alternator when revving?
by 85AW20v » Thu Mar 27, 2014 10:39 pm
Sounds like a loose exhaust guard or something like that rattling somewhere. Lie on the ground and have another listen from underneath while holding the revs at the noisy spot.
See ya
Simon
85 MR2 20v
Simon
85 MR2 20v
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Re: Screech coming from alternator when revving?
by Lloyd » Fri Mar 28, 2014 10:01 am
Can you see any black around where the manifold bolts on to the head? Almost sounds like an exhaust leak
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Re: Screech coming from alternator when revving?
by B1NZ » Fri Mar 28, 2014 6:05 pm
Loose/worn belt?
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Re: Screech coming from alternator when revving?
by RS13 » Sat Mar 29, 2014 3:37 pm
Alternator bearing? Is the alternator bearing pulley slightly shinier than the other pulleys?
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Ex: 2x AE101, 5x KP60, KP61, EP71, 3x KE70, KE72, AE70, AE82, 2x TE71, AE90, AE92, ST170, plus 11 Hondas, 12 Nissans, 6 Fords, 4 Mazdas, 3 Mitsis, an Isuzu and a Lada!
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