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Cylinder head bolt tightening order

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Cylinder head bolt tightening order

Postby davew2 » Mon May 22, 2023 8:45 pm

Hi could someone please put a picture of the head bolt tightening order on a 2.5 di please i've searched everywhere and cannot find one. I know the torque setting sequence 70nm 70nm then 90 degree. Thanks
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Re: Cylinder head bolt tightening order

Postby dumper » Mon May 22, 2023 9:06 pm

Just start from the middle bolts first and then work your way out going diagonally each side till you get to each end and then start in the centre and do it again unless it’s the torque first and then the required amount of degrees
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Past camper vans
1974 mk1 v4 with 2.0 pinto fitted
1986 mk3 2.5 di swb
1990 190 lwb 2.5 di
1998 100 lwb 2.5 di
2006 350 jumbo 135 tdci
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Re: Cylinder head bolt tightening order

Postby Chug » Mon May 22, 2023 10:21 pm

yes diagonally from the centre, if you search online many' vehicles are the same

example here https://www.rtsauto.com/wp-content/uplo ... quence.jpg
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Re: Cylinder head bolt tightening order

Postby MinorMatt » Tue May 23, 2023 8:46 am

They say diagonal... I say spiral out :)
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Re: Cylinder head bolt tightening order

Postby Altransit » Tue May 23, 2023 8:48 am

MinorMatt wrote:They say diagonal... I say spiral out :)

That's the way that I was taught :mrgreen:
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Re: Cylinder head bolt tightening order

Postby davew2 » Tue May 23, 2023 11:53 am

I actually found one
43303766_2232485286986343_1333060425935224832_n.jpg
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Re: Cylinder head bolt tightening order

Postby MinorMatt » Tue May 23, 2023 11:56 am

it spirals out :)
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Re: Cylinder head bolt tightening order

Postby gotgcoalman » Tue May 23, 2023 5:44 pm

davew2 wrote:I actually found one
43303766_2232485286986343_1333060425935224832_n.jpg
Found it's twin.
And the undoing bit
IMG_20230523_174309.jpg
IMG_20230523_174316.jpg


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Re: Cylinder head bolt tightening order

Postby gotgcoalman » Tue May 23, 2023 6:44 pm

Don't forget one of these.

Or mark the head bolts with tippex for the 90degree bit.

Seem to remember bolts at the back are a bit awkward
IMG_20230523_183633.jpg


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Re: Cylinder head bolt tightening order

Postby dumper » Tue May 23, 2023 8:43 pm

As long as you start in the middle and work your way out diagonally or spiral works ok
MK 8 L4 H3 Motorsport campervan
Past camper vans
1974 mk1 v4 with 2.0 pinto fitted
1986 mk3 2.5 di swb
1990 190 lwb 2.5 di
1998 100 lwb 2.5 di
2006 350 jumbo 135 tdci
dumper
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Re: Cylinder head bolt tightening order

Postby V184 » Tue May 23, 2023 9:29 pm

gotgcoalman wrote:Don't forget one of these.

Or mark the head bolts with tippex for the 90degree bit.

Seem to remember bolts at the back are a bit awkward
IMG_20230523_183633.jpg


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105ibft from memory never had any problems :wink:
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Re: Cylinder head bolt tightening order

Postby dumper » Tue May 23, 2023 10:53 pm

Torque setting only we always then did them again when hot or after a run the advantage of torque and then tighten to the degrees method was you did them only once no re torque
MK 8 L4 H3 Motorsport campervan
Past camper vans
1974 mk1 v4 with 2.0 pinto fitted
1986 mk3 2.5 di swb
1990 190 lwb 2.5 di
1998 100 lwb 2.5 di
2006 350 jumbo 135 tdci
dumper
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Joined: Sun Jan 20, 2008 2:56 pm
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