Drive Belt Idler Pulley Bearing.

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Matt Silver

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Drive Belt Idler Pulley Bearing.

Postby Matt Silver » Sat Jul 28, 2018 5:53 pm

Hi All, just replacing my original alternator and while I have access, noticed the idler pulley bearing is on it's last legs. Has anyone managed to replace the bearing only? Have noticed Simon Autos has a complete assembly at close to 180 Euro's....ouch!

Any thoughts/options or previous experiences would be much appreciated.

Thanks in advance,
Matthew.
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Custard

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Re: Drive Belt Idler Pulley Bearing.

Postby Custard » Sun Jul 29, 2018 7:20 am

Hi unfortunately car manufacturers sometimes get special baring made which are not standard sizes and you cannot Repare the part, you have to pay the money that’s why they did it.
The idler bearing on the 610 is different but the outside di of the bearing was standard but the inside was to big, I cut the bearing of and had the shaft ground down to a standard size, to get around the problem.
This is now very common on all modern cars, so the parts that cost nothing can be sold at massive markups once the cars are out of warranty. I think most people are starting to getting wise to this now, and in general the cars second hand values drop like a stone out of warranty.
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Re: Drive Belt Idler Pulley Bearing.

Postby simontaylor » Sun Jul 29, 2018 11:17 am

Last year I purchased one of these, new from Europe, £150-ish.
Personally, I think Stuarts suggestion of adapting the original to take a standard bearing is the way to go.....wish I had thought of that last year.
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BobFromNorway

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Re: Drive Belt Idler Pulley Bearing.

Postby BobFromNorway » Mon Jul 30, 2018 1:26 pm

Yeah, mine is the same, spins fine and there's only the merest hint of play but it does make a horrible dry sound.
I'm reluctant to pull it apart until I have a plan B in place, it's been lying on the "workbench of doom" for a few weeks now waiting on me remembering to measure it up.

Considering the idea of having it machined and/ or sleeved to try to fit something to it.
I'm weighing up the options to adapt the bracket to fit one of these, perhaps have mine cut down and have a boss welded in to screw it onto, 90mm is near as dammit original diameter.
https://www.ebay.co.uk/itm/TRANSIT-CONN ... 1438.l2649
Last edited by BobFromNorway on Tue Jul 31, 2018 6:00 am, edited 1 time in total.
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Re: Drive Belt Idler Pulley Bearing.

Postby Matt Silver » Mon Jul 30, 2018 8:53 pm

Hi all, thanks for the replies so far.

I've dropped the assembly off at a local Engineering firm - they will be in contact in due course! Once 'we' have a solution, I'll post the outcome - ultimately it may be cheaper to purchase the Simon Auto 180 Euro assembly and it may still come to that but also once completed locally it should be interchangeable again.....in another 30 years - hang on a minute! :crazy
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Re: Drive Belt Idler Pulley Bearing.

Postby BobFromNorway » Tue Sep 04, 2018 3:15 pm

Just as an update, piece of scrap 6mm steel plate from a friend, half an hour with a grinder, a drill and a 10mm tap and the Transit wheel I posted above is perfect, sits at just the right height for the belt with the spacer which comes in the box with it.

Having some pc issues but will post pics later.

I realise it isn't original if that matters to you, but at an overall cost of a tenner, works for me..
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Re: Drive Belt Idler Pulley Bearing.

Postby alpine744 » Thu Oct 04, 2018 9:47 am



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