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Jun 16, 2012 12:20:29 GMT
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this may seem like a dead amatuer question and I'm sorry.
passed my driving test 3 months ago and hopped straight into my viva of which the fan belt sqweeled everywhere to the point i had to get bumped out of the petrol station (highly embaressing) after this ordeal i replaced the belt.
However since replacing it it squeels on start up for about 15 seconds and then stops, it also squeels when I'm driving in the rain and it will also squeel with the lights on or with a car full of people, obviously the harder it has to work the more it will squeel and its just dead annoying and embaressing.
what should i be doing, loosening/tightening/powdering
any help would be great
thanks
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1988 manual w124 230ce
1970 manual series 1 xj6
1974 viva sl
1990 mk4 twin carb civic (sold)
1983 carlton estate (sold)
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Jun 16, 2012 12:59:09 GMT
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the belt probably just needs a little more tightening, not to tight that it destroys the alternator bearings, a new one will stretch initially!
if the engine is well worn, you can get to the point where belts bottom out in the V of the pulleys, so never get tight enough, or worn alternator bearings can mean that the belt slips, but just try tightening the belt first, just a little mind!
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Last Edit: Jun 16, 2012 13:00:30 GMT by ianboyd
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Jun 16, 2012 14:13:55 GMT
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My old fiesta used to go through alternator belts loads. The next owner told me the alternator was a tiny bit out of alignment so didn't really tension the belt properly. If the belt is old and feels hard and plasticy or is perished you should replace it- a fresh rubbery one will grip far better and you won't be risking it snapping as much  |
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...proper medallion man chest wig motoring. |
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VIP
South East
Posts: 8,302
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Jun 16, 2012 16:13:42 GMT
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There should be no more than an inch of total deflection [movement up and down] when pressing/pulling on the centre of the longest length of belt between two pulleys.
That's how I was taught anyway.
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Jun 16, 2012 16:52:26 GMT
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Agreed Dan. it can also be an early sign of a failing water pump. Is it beginning to dribble any water- are there any rust stains arounds it? Not always the case- but it can be a good indicator
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bl1300
Posted a lot
Posts: 1,678
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Jun 16, 2012 17:02:34 GMT
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There should be no more than an inch of total deflection [movement up and down] when pressing/pulling on the centre of the longest length of belt between two pulleys. That's how I was taught anyway. ditto that. It does sound very like the belt has stretched and needs tensioning |
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Current fleet.
1967 DAF 44
1974 VW Beetle 1303s
1975 Triumph Spitfire MkIV
1988 VW LT45 Beavertail
1998 Volvo V70 2.5
1959 Fordson Dexta
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Indie
Part of things
Wtd : Carlton/205 bits
Posts: 154
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Jun 16, 2012 20:54:49 GMT
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As above - check tension and alignment of the pulleys and it's always worth cleaning the inside of the pulley where the fan 'grips'.
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bortaf
Posted a lot
Posts: 4,549
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Jun 16, 2012 21:34:53 GMT
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this may seem like a dead amatuer question and I'm sorry. passed my driving test 3 months ago and hopped straight into my viva of which the fan belt sqweeled everywhere to the point I had to get bumped out of the petrol station (highly embaressing) after this ordeal I replaced the belt. However since replacing it it squeels on start up for about 15 seconds and then stops, it also squeels when I'm driving in the rain and it will also squeel with the lights on or with a car full of people, obviously the harder it has to work the more it will squeel and its just dead annoying and embaressing. what should I be doing, loosening/tightening/powdering any help would be great thanks Seeing as it's a new belt and assuming it is not loose check for a seized heater motor, silly i know but i had this before and when the fan was on the drain on the alt allomost stalled the engine due to the load on the alt slowing it, a short somewhere unprotected by a fuse will cause it as well, usually the starter motor. |
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R.I.P photobucket
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Jun 19, 2012 12:11:35 GMT
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normally driving along without lights on with the radio on in normal weather is totally silent, i will nip it up a bit and give the runners a scrape out and clean up and see how it goes, really hope its not something possibly terminal or costly
thanks for the help everyone!
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1988 manual w124 230ce
1970 manual series 1 xj6
1974 viva sl
1990 mk4 twin carb civic (sold)
1983 carlton estate (sold)
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