Escort squealing noise

Jun 27, 2006 5 Replies
M

Bit of a strange one with my ageing 1996 Ford Escort



I get a high pitch squealing noise from somewhere at the back of the engine bay. It only happens after 15 mins of driving or so. I can't see where its coming out but its definitely not fan belt/water pump/alternator etc related. Its at a higher pitch when idling as opposed to under load.



Any ideas before I take it to the garage? I'm guessing its somewhere in the exhaust system, particularly as the engine bay seemed a little warmer than usual.



Car performs fine otherwise.



Thanks in advance Mark


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M

Tried it again this morning and its the same.

Its not really a squeal, more of a high pitched noise

Any ideas? A search on google suggested the o-ring on the exhaust - does that sound possible?

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M

I would check all the vacuum hoses, as a split or loose one can make squealing noises

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M

Cheers - will look later

That was one of my first thoughts - however, from cold I get no noise. I suppose the heat can make any hole larger ...

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C

Check the alternator bearing. Dead easy to do. Just get a jug of water and pour it over the alternator pulley whilst it is making the noise. If it disappears, you've found the cause.

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W

The noise could be coming from the exhaust manifold or any other joints in the exhaust system near your engine

Wiggy

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