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Home >> Hummer >> 2008 >> H3 V8-5.3L >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> Cylinder Head Assembly >> System Specifications >> Cylinder Head Replacement >> Cylinder Head Replacement - Right Side
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Cylinder Head Replacement - Right Side





The cylinder head bolts are of a torque-to-yield design and are NOT to be reused.





Do not reuse the cylinder head bolts. Install NEW cylinder head bolts during assembly.

Do not use any type of sealant on the cylinder head gasket (unless specified).






Tighten the M11 cylinder head bolts (1-10) a first pass in sequence to 30 N.m (22 lb ft).

Tighten the M11 cylinder head bolts (1-10) a second pass in sequence to 90 degrees using J 45059 .

Tighten the M11 cylinder head bolts (1-10 ) a final pass to 70 degrees in sequence using J 45059 .

Tighten the M8 cylinder head bolts (11-15) to 30 N.m (22 lb ft). Begin with the center bolt (11) and alternating side-to-side, work outward tightening all of the bolts.



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