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Home >> Chevrolet >> 2007 >> Express 2500 V8-4.8L >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> Cylinder Head Assembly >> Fastener Tightening Specifications
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Fastener Tightening Specifications

Cylinder Head Bolts





Install the NEW cylinder head bolts.

Cylinder Head M8 Bolts - in Sequence (30 N.m 22 lb ft)
Cylinder Head M11 Bolts
First Pass in Sequence 30 N.m (22 lb ft)
Second Pass in Sequence 90 degrees
Final Pass in Sequence 70 degrees





Intake Manifold Bolts
First Pass in Sequence 5 N.m (44 lb in)
Final Pass in Sequence 10 N.m (89 lb in)

Exhaust Manifold Bolts





First Pass 15 N.m (11 lb ft)
Final Pass 25 N.m (18 lb ft)

Camshaft Retainer Bolts
Hex Head Bolts 25 N.m (18 lb ft)
TORX(R) Head Bolts 15 N.m (11 lb ft)
Camshaft Sprocket Bolts 35 N.m (26 lb ft)