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Engine high pitched whir/ squeak


Sometimes upon starting the car, more noticable in the cold, I can hear a constant high pitched whirring sound, some time it will go away after the 147 has warmed up sometime not.

Is it the water pump abuot to go, we have just reached the milestone of a six figure mileage (well only 13% of that is mine!)
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Re: Engine high pitched whir/ squeak

More likely to be coming from the alternator. It'll be working harder just after starting until the battery is topped up again. Could be bearings or the aux belt.

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Re: Engine high pitched whir/ squeak

a squealing aux belt on start up isnt uncommon on any car, especially if you park it outside so it gets damp. when was the aux belt last replaced?
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Re: Engine high pitched whir/ squeak

Could be those cambelt associated gears, like what we had? If it disappears when warm, I wouldn't be too concerned, cos' the spinny' whirly' bits with bearings, don't like the cold and damp.:
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Re: Engine high pitched whir/ squeak

Thanks both of you. I am unsure when the aux belt was replaced, I will arm myself with a can of WD40
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Re: Engine high pitched whir/ squeak


WD40 will make the blet slip good and proper.

If you do want to clean anything that a belt travel on then use IPA (iso-propyl alcohol) as this eveporates quickly.
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Re: Engine high pitched whir/ squeak

OK thanks, i wasnt actually going to put it on the belt, just the spinny whirly bits
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Member car:

Alfa GT

Hi there,

Sorry to resurrect such an old thead, but did WD40 on the spinny whirly bits work? I have the exact same problem with by GT...
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