Cylinder head bolt torque specs please

2007 GMC SIERRA
140,000 MILES • 5.3L • V8 • 4WD
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BTOLER
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  • 29 POSTS
I have seen recommendations to put silicone on the head bolts, some say to put some engine oil on them and some say nothing on them before torquing. What do you recommend?
Mar 9, 2018 at 9:27 AM
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SEVAG P
  • ✓Experienced Mechanic
  • 405 POSTS
Hello,

Workshop manual does not mention to put anything on the head bolts, but mentioned to replace then not to use the old screws.

check the pictures below procedure how to remove and reinstall cylinder head also found the proper tightening torque or cylinder head.

hope these helps.

thank you.
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Jan 27, 2021 at 4:15 AM
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