Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2007EXPRESS 2500 V8-6.0LREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINECYLINDER HEAD ASSEMBLYFASTENER TIGHTENING SPECIFICATIONS
2007 Chevrolet Express 2500 V8-6.0L
Fastener Tightening Specifications
2007 Chevrolet Express 2500 V8-6.0LSECTION 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)
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)
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.