Cylinder head bolts (You must use new bolts)
stage 1 ... 25 Nm (18 lb ft)
stage 2 ... angle tighten + 90 degrees
stage 3 ... angle tighten + 90 degrees
stage 4 ... angle tighten + 90 degrees
stage 5 ... angle tighten + 45 degrees
Remember use NEW bolts, these are called torque to yield bolts, they stretch like a linear spring and they only last one use.
SOURCE: chevy 5.7 17 bolt heads tork specs
Cylinder Head Bolt (Preferred Method) All Bolts First Pass in Sequence 22 ft.lb Long Bolt Final Pass in Sequence 75 deg. Medium Bolt Final Pass in Sequence 65 deg Short Bolt Final Pass in Sequence 55 deg. Cylinder Head Bolt (Optional On-Vehicle Strategy) First Pass in Sequence 26 ft.lb Second Pass in Sequence 44 ft.lb Final Pass in Sequence 66 ft.lb
SOURCE: Head Bolt Torque for a 2000 Grand Cherokee Laredo 4.0L
the torque is a 4 step process
1 torque all bolts to 22 ft/lbs
2 torque all bolts to 45 ft/lbs
3 recheck all bolts to 45 ft/lbs
4 torque bolts 1 thru 10 to 110 ft/lbs
bolt 11 to 100 ft/lbs
bolts 12 thru 14 to 110 ft/lbs
bolt #1 is the fourth bolt from the front on the passenger side....#2 is the fourth bolt on the drivers side then you continue in a clockwise order
SOURCE: head bolt torque spec
Always use new head bolts.
1)tighten to 40ft/lbs
2)back off 1/2 turn
3)tighten back to 40ft/lbs
4)tighten an additional 90 degrees
5)tighten an additional 90 degrees.
SOURCE: head bolt torque specs for 2000 dodge neon 2.0 SOHC
I have the specs and diagrams. If you want me to send them to you, give me your email address. [email protected]
SOURCE: 94 mazda B3000 3.0L cylinder head torque specs
Step 1 torque to 59 ft pounds
2. Loosen one full turn
3. 37 ft pounds
4. 68 ft pounds
Use torque sequence below
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