Question about Cars & Trucks
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Posted on Jan 02, 2017
SOURCE: head bolts torque settings
According to my haynes manual for G-S reg, 1989-1998 it goes as follows,
Stage 1:- Tighten all bolts by hand until bolt heads just contact cyl. head.
Stage 2:-Tighten all bolts to 40Nm or 30lb ft.
Stage 3:-Angle tighten all bolts a further 60 degrees.
Stage 4:-Angle tighten all bolts again a further 60 degrees.
Stage 5:- M12 x 140mm bolts ONLY angle tighten a further 20 degrees.
Hope this helps everyone, sorry it seems longwinded but that is how it's written in the manual.
Posted on Feb 07, 2009
SOURCE: Angle Torque settings head bolts
Use new bolts, tighten in the following stages
3. wait 3 mins
4. slacken bolts 1&2 retighten to 20Nm +110 degrees
5. carry out stage 4 for bolts 3,4,5 & 6
then bolts 7,8,9 &10
8 4 1 5 9
7 3 2 6 10
Bolts 9 & 10 are flywheel side of the engine.
Posted on Mar 17, 2009
You have two bolt sizes the shorter or smaller of the two sizes is called M10 the torque is 22ft lbs +65 degrees +65 degrees again The larger of the two bolts is called a M12 the torque for these are 26ft lbs +65+65. There is a tightening order staring at the top center bolt and working in a circle They have to be torqued in three steps. If you dont under stand something about this repost and I can help you farther. If this is helpful please mark that it was I do this for free to help people DRIVE SAFE TIM
Posted on Feb 19, 2010
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