I recently bought a ford focus 1.6 ghia with a zetec engine and 36000 miles.After being stood for a few hours or overnight there is a high pitched squeal coming from the engine which may be from the belt but not
In message , psm06 writes
If your car was built before March 2001 then its possible that this Technical Service Bulletin from Ford will cover it :-
Subject: Howling noise from accessory drive belt during the warm-up period at 2000 - 3000 rev/min at ambient temperatures below 10º C for a period of 2 - 3 minutes.
Summary
Should a customer express concern over a howling noise coming from the accessory drive belt area during the warm up period at 2000 - 3000 rev/min, at ambient temperatures below 10º C for a period of 2 - 3 minutes, the probable cause is bearing interferences in the accessory drive belt idler pulley. To rectify this concern, a revised idler pulley should be installed.
Thanks,would this be anything to worry about or could it just be ignored?And are there any other explanations anybody can think of?Cheers.
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