timing chain replacement

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07-19-2018, 11:45 AM

gymnastcoach

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timing chain replacement

is it possible to pre tension the timing chain without a torque wrench? most i have seen dont measure that low. seems to be .6nm. can i just use the actual tensioner and then torque the sprockets? i have a 2009 r56 cooper s. breaking it down now, need some input before reassembly. thanks for any replies

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07-19-2018, 01:11 PM

MiniToBe

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I never used the pre-tensioner.

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gymnastcoach (08-25-2018)

07-19-2018, 01:13 PM

jglover

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Just did mine last weekend. That seems to be what I did. You have the camshaft locking tool? I set the tool then took apart. On reassembly, I put the tensioner in then torqued the cam gears and then crankshaft.
Hope this helps and makes sense.

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gymnastcoach (08-25-2018)

07-19-2018, 01:13 PM

S-2013

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Same here, just went ahead and torqued down the permanent tensioner.

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gymnastcoach (08-25-2018)

07-19-2018, 03:51 PM

Notcompensating

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I used the pre tensioner but just tightened it hand tight. It's better than the actual tensioner because the real tensioner is a spring type. The pre tensioner keeps the slack out while you torque it

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gymnastcoach (08-25-2018)

07-20-2018, 11:45 AM

dmyer

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Quote:

Originally Posted by Notcompensating

I used the pre tensioner but just tightened it hand tight. It's better than the actual tensioner because the real tensioner is a spring type. The pre tensioner keeps the slack out while you torque it

That... it is what I did... there is a reason it is part of the procedure!!

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gymnastcoach (08-25-2018)

08-25-2018, 07:10 AM

gymnastcoach

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all back together and running better than ever, ended up getting most of the part at pelican. quick shipping and knowledgeable staff, thank you for all of the replies

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