sisters car has squeeky belt and battery light is on

Mr Angry

A2OC Donor
hi guys,

my sister phoned me today to say that the battery light came on the dash and that there is a squealing noise coming from engine. i think she mentioned that her lights were very dim when driving in the dark.

do we assume that the belt is needing replaced along with the alternator? this might sound daft but what parts are needed? ....new fan belt, alternator pulleys etc... what kind of cost should she be expecting for this work to be done.

thanks in advance :)
 
If the belt is squeaking then the tensioner is probably OK. So I'd just go for the pulley before it snaps the belt!
 
alternator one way clutch pulley has fail , tell tell sign would squealing noise, battery warning light on at idle and if rev the warning light would disappear, to confirm pulley has failed, take the belt off and gentley stick a screw driver between the alternator fins and grab the pulley and try turning it anti clockwise, if you can, the clutch pulley will need replacing hope this help.
 
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