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[hoj]

Had new timing belt,water pump and kit fitted last month
There is now a squealing sound just started
Took alternator belt off and noise stopped so that tells me its NOT the new timing belt tensioner
Just changed alternator pulley/tensioner and noise is still there
Does this mean its the actual alternator? I'm thinking so
What do you think?

[Andy B]

......
Does this mean its the actual alternator? I'm thinking so
What do you think?

D & J Autos http://www.djautoelec.co.uk/ 

[chrisgixer]

Could be any component on the aux belt run, even the belt itself. A bit of silicon spray in the belt will tell you if its belt squeal.
Not too much mind or it will slip, and squeal more. Just enough to cover one revolution of the belt with engine running, so about two seconds. Maybe 3 of spray.

Failing that remove the belt and spin each pulley by hand in turn.