Ask Honest John

Honest John Ask Honest John » My alternator belt is squealing despite the fact I've replaced it?
What do you think of Elon Musk? Have your say | No thanks

My alternator belt is squealing despite the fact I've replaced it?

I have replaced the squealing alternator belt with a new one but it is no better. What's wrong?

Asked on 13 October 2018 by Penny

Answered by Honest John
Could be that the alternator bracket had bent so the pulleys are not correctly aligned.
Similar questions
When my neighbour fires up his Porsche, it sounds as though an explosion has taken place. Is this noise standard or can it be 'tweaked' in some way? Is there a legal limit to the noise that cars can produce?
My 2001 Toyota Yaris 1.3 SR has a noisy fan belt on startup but once driven for a couple of minutes it stops. My mechanic said it is because it has not been driven much lately?
When warm and idling, I can hear a whining noise from the engine of my 2014 petrol Ford Kuga 1.6 2WD. This happens with or without clutch depressed. It disappears at other revs.