timing chain replacement

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Jul 19, 2018 | 11:45 AM

gymnastcoach

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Neutral

Joined: Jun 2018

Posts: 5

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From: west virginia

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

Jul 19, 2018 | 01:11 PM

MiniToBe

6th Gear

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Joined: Jan 2015

Posts: 4,339

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From: Philadelphia PA

I never used the pre-tensioner.

Jul 19, 2018 | 01:13 PM

jglover

2nd Gear

Joined: Mar 2018

Posts: 131

Likes: 11

From: Fairfield, CA

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.

Jul 19, 2018 | 01:13 PM

S-2013

3rd Gear

Joined: Oct 2017

Posts: 271

Likes: 29

From: Austin, Texas

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

Jul 19, 2018 | 03:51 PM

Notcompensating

1st Gear

Joined: Jul 2018

Posts: 14

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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

Jul 20, 2018 | 11:45 AM

dmyer

3rd Gear

Joined: Jan 2011

Posts: 237

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From: Potomac Maryland

Quote:

Originally Posted by Notcompensating