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YB head bolt tightening sequence

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Old 10-11-2007, 07:52 PM
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Turbo Zetec
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Default YB head bolt tightening sequence

can anybody tell me what it is?

thanks,
martin.
Old 10-11-2007, 07:58 PM
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JonnyBravo
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I'm guessing its the same as a xe which is on the SBD website if you need a picture, certainly not something I've ever looked into on a YB

http://www.sbdev.co.uk/Info_sheets/T...2.0L%2016V.htm

PS, Got the head in my car so I can run it over tomorrow if your about mate ?
Old 10-11-2007, 07:58 PM
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dave cos4x4
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starting from the middle and working outwards either side.

need a picture to show you properly really.
Old 10-11-2007, 08:01 PM
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Red16
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same order as when doing any other head bolts, ive always done it as below



however ive heard people say to do it this way



case of 6 of 1, half a dozen of the other imo
Old 10-11-2007, 08:02 PM
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JonnyBravo
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I'm sure it wont be any different to the xe.

Don't forget to retorque them after
Old 10-11-2007, 08:02 PM
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dave cos4x4
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look in here too.

http://www.siipicossu.com/manuaaleja/manuaalit.htm
Old 10-11-2007, 08:03 PM
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JonnyBravo
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Conflicting info

IMO as long as you stick to that pattern there shouldn't be a problem
Old 10-11-2007, 08:04 PM
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Turbo Zetec
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i mean the actual tightening sequence as in torques... but i found them already 25nm, 50nm then 180 degrees!

thanks anyway everyone
Old 10-11-2007, 08:05 PM
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JonnyBravo
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Originally Posted by dave cos4x4
Now that is a handy link to have
Old 10-11-2007, 08:05 PM
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dave cos4x4
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Originally Posted by JonnyBravo
Originally Posted by dave cos4x4
Now that is a handy link to have


Old 10-11-2007, 08:06 PM
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JonnyBravo
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Originally Posted by MD Cos
i mean the actual tightening sequence as in torques... but i found them already 25nm, 50nm then 180 degrees!

thanks anyway everyone
Thats not as important tbh, aslong as you end up with them all the same on your final torque up then it will be fine.
Old 10-11-2007, 08:09 PM
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Red16
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edited
Old 10-11-2007, 08:14 PM
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Turbo Zetec
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Originally Posted by JonnyBravo
Originally Posted by MD Cos
i mean the actual tightening sequence as in torques... but i found them already 25nm, 50nm then 180 degrees!

thanks anyway everyone
Thats not as important tbh, aslong as you end up with them all the same on your final torque up then it will be fine.
so if i end up with them all at 1nm, that won't be a problem? anyway, weren't you supposed to be coming over today?
Old 10-11-2007, 08:16 PM
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vroooom ptssssh
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As said, once you do one sequence, go over them from again the start as they will all (mostly all, mainly middle ones) will take another good nip!
Old 10-11-2007, 08:18 PM
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JonnyBravo
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You know what I mean.

If YB's are anything like xe's then you will find loads of variations in the tightening sequence.

If its 100lbft for example and you go 25/50/75/100 then that is fine.

If you read above I also said I'm come and see you tomorrow ! I spent today in bed mate as I've been a bit rough
Old 10-11-2007, 09:17 PM
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Turbo Zetec
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i know, just playing!

see you tomorrow then!
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