SOURCE: Head bolt torque specs needed for 96 tbird 3.8
Head bolts are torque to yeild so you MUST use new bolts.
Tighten cylinder head retaining bolts in numerical sequence in three steps as follows:
Loosen retaining bolts one at a time two to three revolutions and retighten as follows:
Long bolts:
Short Bolts:
Here is a pic of the sequence
http://i253.photobucket.com/albums/hh43/chuck943/Headboltsequence38L.gif
SOURCE: what torque spec for chev aveo 2004 cylinder head
18 lb ft+60°+60°+60°+10°
NEW HEAD BOLTS ARE REQUIRED WHEN REPLACING THE HEAD OR HEAD GASKET.
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: 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
SOURCE: need cylinder head gasket torque specs.
looks like there is special sequence to reassemble and tightening, a quick note replace any bolts that have two punch marks.tighten as follows: x x x x x 10 4 2 6 8 x x x x x 7 5 1 3 9 torque all down to 15 ft lbs torque to 30 ft lbs plus 90 degrees. Good luck!
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