The Triumph Dolomite Club - Discussion Forum

The Number One Club for owners of Triumph's range of small saloons from the 1960s and 1970s.
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 Post subject: Screeching sound
PostPosted: Tue Jul 05, 2011 2:06 am 
My beloved russet brown 1850 has taken to making a terrible screeching sound from under the bonnet as I drive. It sounds bad but not sure of the exact source. When it starts I run in the clutch and it stops and when I let it out its gone for a while but comes back. Anyone have any ideas??


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 Post subject: Re: Screeching sound
PostPosted: Tue Jul 05, 2011 10:28 am 
Clutch release bearing?


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 Post subject: Re: Screeching sound
PostPosted: Tue Jul 05, 2011 11:10 am 
fan belt


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 Post subject: Re: Screeching sound
PostPosted: Tue Jul 05, 2011 3:04 pm 
Thanks for both suggestions, looks like fanbelt. I noticed it only came on at night so the draw on the alternator with a slightly loose belt was the source as far as I can make out. Tightened it and will see how that goes, Cheers


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 Post subject: Re: Screeching sound
PostPosted: Tue Jul 05, 2011 3:28 pm 
my guess is when you put the clutch down, you also ease off the engine revs, which makes the fan noise stop. Don't do up the fan belt too tight though, puts pressure on the alternator bearings.

good luck

stu


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 Post subject: Re: Screeching sound
PostPosted: Sat Jul 09, 2011 9:50 am 
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