R53 timing chain tensioner - MINI Cooper Forum

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post #1 of 4 (permalink) Old Apr 30th, 2014, 05:11 PM Thread Starter
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R53 timing chain tensioner

Hi guys.

New here so this has probably been asked before.

Is the chain tensioner on a R53 mini cooper s spring tensioned or does it work on oil pressure??

Its because I fitted one to hopefully cure the death rattle and it didn't fix the fault so I removed it and it was stuck in mid position. The seller claims I fitted it incorrectly and wants me to pay him to do the job correctly. Mmm I'm an engineer so take that accusation to heart.

Sorry if this is a repeat question.
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post #2 of 4 (permalink) Old Apr 30th, 2014, 06:08 PM
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I believe it is oil pressure actuated.
Here are a couple useful DIY type links:
R53 Mini Cooper S - TIMING CHAIN TENSIONER - How to fix guide
Instructions for replacing Timing chain tensioner? - North American Motoring

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post #3 of 4 (permalink) Old May 1st, 2014, 10:32 AM Thread Starter
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Thanks cristo that helps a lot. It's a very simple job and almost impossible to fit incorrectly. I think I will purchase another one from a different seller. Hopefully next time it will work.
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post #4 of 4 (permalink) Old May 1st, 2014, 11:25 AM
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Hi ya

Form what I remember from a few years back it's a lucky dip to get a good tensioner,
I think it was something like 1 in every 3 worked properly.

They have a spring in them but very soft, but the tensioner is controlled and damped by oil.

Hope this helps

Last edited by marque; May 5th, 2014 at 10:55 AM.
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