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V8 Aux tensioner pulley


Cynic-al
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As you can see in the video mine have a little play in them. :wacko:

http://vid511.photobucket.com/albums/s356/aj_turner/RRC/39/20150326_212429_zpsv5t0qu6u.mp4

I can only find these replacements which seem a little spendy when I need two!

http://www.lrdirect.com/ETC6159-Pulley-Air-Con.-Efi/

Anyone know if they have a replaceable bearing or an alternative fix?

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I have a noisy one on my V8 and iirc they're also used on the TDi (not sure if 200 or 300), anyway my point is you may be able to get a decent second hand one?

I did however buy a job lot of V8 bits off eBay a while back and again iirc there was one or two of these in the 2 sacks of bits I collected. I'll have a look if you're interested?

I'm sure the bearing is replaceable, my plan was to use one as a 'guinea pig' saving the original one should bearing replacement go wrong!

Edit - should have opened the second link!!

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If you get a replacement ordered, you could press apart one of the old ones, and take the bearing to a bearing supplier's. Good chance you'll find new bearing for £10. I did this for my 300TDi tensioner many years back.

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I took one apart tonight, it was easy to press the pulley off then the arm off.

The bearing is basically the whole shaft... which I carefully opened...

20150330_184447_zpseal4rn6l.jpg

The shiny bit goes in the arm, the pulley goes over the bearing housing. Anyone seen a bearing like this before?

The outer casing is 28mm od x 27mm long. The bit that goes into the arm is 27.4mm od x 12mm long.

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That's a good idea :)

I Thought about boring the pulley out so that an off the shelf sealed bearing could be fitted, there seems to be plenty of meat there? Not sure if i'd get away with a press fit or if it would need some sort of cap or circlip groove making too but I'm sure it's all possible. Think I will buy some replacements then put it on the list of things to have a go at... one day... :glare:

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Just to complete the thread I got 2 of the britpart 614718. From the face of the pulley to the back of the arm is maybe 1mm longer than the ones I took off but they appear to have a standard bearing in the centre so hopefully they will be interchangeable in the future!

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  • 4 weeks later...

Well I figured so long as britpart can supply a cast arm that doesn't crack and a pulley that round I can change a bearing. Fingers crossed!

Just remember Britpart once sold me brake pipes with no hole down the middle....So anything is possible.

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