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Author Topic: Drive Belt Tensioner Failure!  (Read 4209 times)

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Humpy

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Drive Belt Tensioner Failure!
« on: 23 March 2010, 19:34:41 »
As the title suggests, SWMBO came in this morning in tears as her car'd filled up with smoke when she started it! On closer inspection, the drive belt tensioner has disintegrated, and the belt was running around the remains on the spigot that the pulley runs on :o The lucky bit was the spigot had neatly trimmed the outside 4 or 5mm of the belt which was then wrapped around everything in site under the bonnet ;D

Got the car to work where I looked closer and saw that the tensioner had disintegrated big time. I managed to get one from my local dealer, at £67 'cos it's not a trade club item? I asked the guy (as both our cars are the same sort of vintage) if they have a history of failing, he reckoned not.

So, are they a trade club item? Are there cheaper pattern parts that are ok? Are they a problem? If so I don't mind changing the one on my car, just in case.

Humpy
« Last Edit: 23 March 2010, 19:35:26 by Humpy »
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dad1uk

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Re: Drive Belt Tensioner Failure!
« Reply #1 on: 23 March 2010, 19:36:37 »
Don't know what state yours is in but people usually just change the pulley...
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Simon.

Elite Pete

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Re: Drive Belt Tensioner Failure!
« Reply #2 on: 23 March 2010, 19:38:44 »
You can just buy the pulley which is a lot cheaper ::)
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Humpy

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Re: Drive Belt Tensioner Failure!
« Reply #3 on: 23 March 2010, 19:40:15 »
Well, I presume there is a bearing in there somewhere but it's not there now. Can you buy the pulleys seperately? They are plastic which is a shame as the rest of the assembly is built like the proverbial brick outhouse.

Sorry must type faster!


Humpy
« Last Edit: 23 March 2010, 19:40:58 by Humpy »
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Elite Pete

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Re: Drive Belt Tensioner Failure!
« Reply #4 on: 23 March 2010, 19:41:42 »
Quote
Well, I presume there is a bearing in there somewhere but it's not there now. Can you buy the pulleys seperately? They are plastic which is a shame as the rest of the assembly is built like the proverbial brick outhouse.

Humpy
Yep, but the dealer won't tell you that. The bearing in the pulley runs dry, gets very hot and melts the pulley but the tensioner itself is fine oh and its only a few minute job to replace the pulley.
« Last Edit: 23 March 2010, 19:42:29 by Elite_Pete »
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Andy B

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Re: Drive Belt Tensioner Failure!
« Reply #5 on: 23 March 2010, 19:42:45 »
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Well, I presume there is a bearing in there somewhere but it's not there now. Can you buy the pulleys seperately?  .....

Yes.  ;) I did look at pushing the old bearing out & replacing it  but the pulley is moulded around it. It is available seperately.  :y
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dad1uk

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Re: Drive Belt Tensioner Failure!
« Reply #6 on: 23 March 2010, 19:43:30 »
You can buy a pulley but unfortunately I did not keep the bearing number but I'm sure someone will be along soon with the number.
If I remember correctly it was less than £10.
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Humpy

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Re: Drive Belt Tensioner Failure!
« Reply #7 on: 23 March 2010, 19:43:37 »
Go on then, ruin my day, how much are the pulleys?

Again, must type faster!!

Humpy
« Last Edit: 23 March 2010, 19:44:13 by Humpy »
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Humpy

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Re: Drive Belt Tensioner Failure!
« Reply #8 on: 23 March 2010, 19:46:51 »
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If I remember correctly it was less than £10.

FFS! No wonder stealers are called, well, stealers. I'll keep the old one and see if I can get anothe pulley for it. At least it's a spare then. I'll have a look at changing mine then, for a tenner you can't go wrong. You live and learn.

Humpy
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Entwood

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Re: Drive Belt Tensioner Failure!
« Reply #9 on: 23 March 2010, 19:47:24 »
22/03/2008

Part no : 9157962 
Description : 44L3 Pulley

Unit Price £23.05

Trade Price ( flashed me TC card) £20.75
VAT £3.63

Amount Paid   £24.38



 ;) ;) ;) ;) ;) ;) ;)
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dad1uk

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Re: Drive Belt Tensioner Failure!
« Reply #10 on: 23 March 2010, 19:51:09 »
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You can buy a pulley but unfortunately I did not keep the bearing number but I'm sure someone will be along soon with the number.
If I remember correctly it was less than £10.


Sorry more than I thought!
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Andy B

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Re: Drive Belt Tensioner Failure!
« Reply #11 on: 23 March 2010, 19:55:07 »
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.... I did not keep the bearing number but I'm sure someone will be along soon with the number.  ....

The actual bearing is a 6203 2RS, but as said, I didn't try too hard to remove the old bearing from the centre of the pulley.  ;)
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dad1uk

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Re: Drive Belt Tensioner Failure!
« Reply #12 on: 23 March 2010, 20:02:51 »
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Andy B

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Re: Drive Belt Tensioner Failure!
« Reply #13 on: 23 March 2010, 20:05:28 »
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If that's the right bearing number from Andy then this might interest you.....

http://www.bearingshopuk.co.uk/index.asp?function=DISPLAYPRODUCT&productid=2679&kw=6203-2rs&fl=108419&ci=904089877&network=s&gclid=CL-g0OvTz6ACFRM_lAodfk58Pw

or this

http://www.western-towing.co.uk/acatalog/Ballrace_bearings.html

Of course it was  ;)
I got the bearing for nothing, but you'd have to be really careful getting the old bearing out without breaking the pulley, as said, the plastic is moulded around the very edge of the bearing outer. It's not just pressed in. :y
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Abiton

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Re: Drive Belt Tensioner Failure!
« Reply #14 on: 23 March 2010, 20:05:58 »
Some good info here.

Just wondering; anyone know if the pulley is the same on a 4-pot?

Could be worth acquiring a scrappie pulley and re-bearing-ing it to have as a spare??
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