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 MANUALSCHEVROLET2007SILVERADO CLASSIC 1500 2WD V8-6.0LREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINECYLINDER HEAD ASSEMBLY
2007 Chevrolet Silverado Classic 1500 2WD V8-6.0L
Cylinder Head Assembly
2007 Chevrolet Silverado Classic 1500 2WD V8-6.0LSECTION Cylinder Head Assembly
Cylinder Head Height/Thickness - Measured from the Cylinder Head Deck to the Valve Rocker Arm Cover Seal Surface 120.2 mm (4.732 inch)
Surface Flatness - Block Deck - Measured within a 152.4 mm ((6.0 inch) Area 0.08 mm (0.003 inch)
Surface Flatness - Block Deck - Measuring the Overall Length of the Cylinder Head 0.1 mm (0.004 inch)
Surface Flatness - Exhaust Manifold Deck 0.13 mm (0.005 inch)
Surface Flatness - Intake Manifold Deck 0.08 mm (0.0031 inch)
Cylinder Head Bolt
Important: The cylinder head bolts are NOT reusable.
Cylinder Head M8 Bolts - in Sequence 30 Nm (22 ft. lbs.)
Cylinder Head M11 Bolts - First Pass in Sequence 30 Nm (22 ft. lbs.)
Cylinder Head M11 Bolts - Second Pass in Sequence 90 degrees
Cylinder Head M11 Bolts - Final Pass in Sequence 70 degrees
Exhaust Manifold Bolts - First Pass 15 Nm (11 ft. lbs.)
Exhaust Manifold Bolts - Final Pass 25 Nm (18 ft. lbs.)
Exhaust Manifold Heat Shield Bolts 9 Nm (80 inch lbs.)
Intake Manifold Bolts - First Pass in Sequence 5 Nm (44 inch lbs.)
Intake Manifold Bolts - Final Pass in Sequence 10 Nm (89 inch lbs.)
Intake Manifold Sight Shield Bolt 10 Nm (89 inch lbs.)
Intake Manifold Sight Shield Retainer Bolt 5 Nm (44 inch lbs.)
Camshaft Sprocket Bolts 35 Nm (26 ft. lbs.)
Surface Flatness - Block Deck - Measured within a 152.4 mm ((6.0 inch) Area 0.08 mm (0.003 inch)
Surface Flatness - Block Deck - Measuring the Overall Length of the Cylinder Head 0.1 mm (0.004 inch)
Surface Flatness - Exhaust Manifold Deck 0.13 mm (0.005 inch)
Surface Flatness - Intake Manifold Deck 0.08 mm (0.0031 inch)
Cylinder Head Bolt
Important: The cylinder head bolts are NOT reusable.
Cylinder Head M8 Bolts - in Sequence 30 Nm (22 ft. lbs.)
Cylinder Head M11 Bolts - First Pass in Sequence 30 Nm (22 ft. lbs.)
Cylinder Head M11 Bolts - Second Pass in Sequence 90 degrees
Cylinder Head M11 Bolts - Final Pass in Sequence 70 degrees
Exhaust Manifold Bolts - First Pass 15 Nm (11 ft. lbs.)
Exhaust Manifold Bolts - Final Pass 25 Nm (18 ft. lbs.)
Exhaust Manifold Heat Shield Bolts 9 Nm (80 inch lbs.)
Intake Manifold Bolts - First Pass in Sequence 5 Nm (44 inch lbs.)
Intake Manifold Bolts - Final Pass in Sequence 10 Nm (89 inch lbs.)
Intake Manifold Sight Shield Bolt 10 Nm (89 inch lbs.)
Intake Manifold Sight Shield Retainer Bolt 5 Nm (44 inch lbs.)
Camshaft Sprocket Bolts 35 Nm (26 ft. lbs.)
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.