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Head Bolts
Posted: Tue Oct 09, 2007 3:08 pm
by Gordon
Could someone please tell me the correct torque for a 2.5TD head bolts. Ta
Posted: Tue Oct 09, 2007 9:26 pm
by BongoNess
The manual says 29 Nm. It also specifies the order they should be tightened in - too complicated to describe here, but broadly speaking start in the middle and work out.
Cheers,
Steve
Posted: Thu Oct 11, 2007 7:43 pm
by Dannyboy
Gordon,
The sixteen main bolts should be tightened to 29Nm, then after marking with tippex or something similar, they should be tightened through a further 90-105 degrees, then again through a further 90-105 degrees. I only did then through 90 degrees each time.
The two small bolts at the front wil strip at this torque and should be tightened to only 19Nm.
I am sure this is covered in a very good fact sheet, I think by Declan Hicks.
Good luck,
Dan
Posted: Thu Oct 11, 2007 11:22 pm
by dandywarhol
Also NEVER reuse a head bolt - they're designed to stretch beyond their elastic limit and only once.
Always fit new ones.