Omega Owners Forum

Please login or register.

Login with username, password and session length
Advanced search  

News:

Please check the Forum Guidelines at the top of the Newbie section

Pages: [1]   Go Down

Author Topic: Cylinder head torque values  (Read 1744 times)

0 Members and 1 Guest are viewing this topic.

JamesV6CDX

  • Omega Queen
  • *****
  • Offline Offline
  • Gloucestershire/Buckinghamshire
  • Posts: 16628
    • Omega 3.2 Retail MV6 LPG
    • View Profile
Cylinder head torque values
« on: 21 October 2006, 23:34:04 »
Tomorrow we are fitting the head back onto the project 2.0.

I have lost the haynes book of lies, and I have no idea of what to torque or angle the head bolts to, and also the camshaft bearing caps - I believe they are 8nm?

If anyone can post up the head torques I'd appreciate it!

Cheers!
Logged

mr des

  • Junior Member
  • **
  • Offline Offline
  • Gender: Male
  • limerick, ireland
  • Posts: 187
  • Doh
    • View Profile
Re: Cylinder head torque values
« Reply #1 on: 21 October 2006, 23:49:14 »
head bolts:
stage 1: 25 nm
stage 2: further 90 deg.
stage 3: further 90 deg.
stage 4: further 90 deg.
stage 5: further 15 deg.
camshaft bearing caps are 8nm
buy go finger tight first then half turn each at a time working in a spiral pattern from the centre outwards

any chance of a how2 as i have to do a head gasket next week?
do the cam sprockets have to be removed? haynes say they have to but can i remove the cams complete
Logged
i want to shine in the eye of orion but i drove my sole through the black hole

JamesV6CDX

  • Omega Queen
  • *****
  • Offline Offline
  • Gloucestershire/Buckinghamshire
  • Posts: 16628
    • Omega 3.2 Retail MV6 LPG
    • View Profile
Re: Cylinder head torque values
« Reply #2 on: 21 October 2006, 23:56:36 »
Hi mate

The camshafts certainly do have to come out, and yeah the sprockets need to come off. It's much easier with the sprockets off anyway, and a 2 minute job to remove them. The camshafts have a fitting that you can hold them with a spanner, I think 23mm, while undoing the pulley bolts. You then just remove the pullies

I'll take loads of pics so you can see it all, don't worry!!

From what I've experienced of the 2.0, the head gasket change is childs play....
Logged

Markjay

  • Omega Lord
  • *****
  • Offline Offline
  • Gender: Male
  • London
  • Posts: 5417
    • View Profile
Re: Cylinder head torque values
« Reply #3 on: 22 October 2006, 09:08:11 »
Quote
head bolts:
stage 1: 25 nm
stage 2: further 90 deg.
stage 3: further 90 deg.
stage 4: further 90 deg.
stage 5: further 15 deg.
camshaft bearing caps are 8nm
buy go finger tight first then half turn each at a time working in a spiral pattern from the centre outwards

any chance of a how2 as i have to do a head gasket next week?
do the cam sprockets have to be removed? haynes say they have to but can i remove the cams complete

Interesting... Autodata says 25Nm-90-90-90, but does not list the final 15 you mention? Also they say to renew the bolts.
Logged
Alas, no more Omegas....

Marks DTM Calib

  • Administrator
  • *****
  • Offline Offline
  • Gender: Male
  • West Bridgford
  • Posts: 33984
  • Git!
    • View Profile
Re: Cylinder head torque values
« Reply #4 on: 22 October 2006, 09:24:07 »
You always use new bolts on the head.....the 15deg is supposed to be an extra tolerance turn, just in case you were slightly under on the first 3 turns.....
Logged

Markjay

  • Omega Lord
  • *****
  • Offline Offline
  • Gender: Male
  • London
  • Posts: 5417
    • View Profile
Re: Cylinder head torque values
« Reply #5 on: 22 October 2006, 16:28:45 »
Quote
You always use new bolts on the head.....the 15deg is supposed to be an extra tolerance turn, just in case you were slightly under on the first 3 turns.....

OK, thanks, that explains it then....

Logged
Alas, no more Omegas....
Pages: [1]   Go Up
« previous next »
 

Page created in 0.015 seconds with 16 queries.