Head bolt torque

Vegard · Jul 11, 2007

What's the torque for the head bolts on a 04 450? I searched but found nothing.

nsman · Jul 11, 2007

The 10mm hex head should be 50nm.

BILLTECH · Jul 11, 2007

And rechecked

SteveS · Jul 14, 2007

Yes boys - be sure to check em every now and then. It appears one o mine loosened off and the beast spit out a head gasket!
I am back on the road though, big thanks to nsman and billtech.

Taffy · Jul 15, 2007

Nsman

from the doc
Losing coolant
If using same headgasket again... May try torqueing down to 60Nm = 15Nm above factory numbers.

as i understand it after i put this in the doc the factory torque figures went up to this anyway.

regards

Taffy

Vegard · Jul 18, 2007

So 60 it is?

Taffy · Jul 18, 2007

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Head bolt torque

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