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 MANUALSCHEVROLET2012CORVETTE V8-6.2L SCREPAIR AND DIAGNOSISENGINE, COOLING AND EXHAUSTENGINECYLINDER HEAD ASSEMBLYSPECIFICATIONS
2012 Chevrolet Corvette V8-6.2L SC
Cylinder Head Assembly: Specifications
2012 Chevrolet Corvette V8-6.2L SCSECTION Specifications
Intake manifold Intake Manifold
Exhaust manifold Exhaust Manifold
Cylinder Head M12 Bolts
First Pass in Sequence 20 Nm (15 lb ft)
Second Pass in Sequence 80 Nm (60 lb ft)
Third Pass in Sequence 90 degrees
Final Pass in Sequence 45 degrees
Cylinder Head M8 Bolts - in Sequence 30 Nm (22 lb ft)
Use NEW cylinder head bolts
Surface Flatness
Block Deck
Measured within a 152.4 mm (6.0 in) Area 0.08 mm (0.003 in)
Measuring the Overall Length of the Cylinder Head 0.1 mm (0.004 in)
Exhaust Manifold Deck 0.1 mm (0.004 in)
Intake Manifold Deck 0.08 mm (0.0031 in)
Exhaust manifold Exhaust Manifold
Cylinder Head M12 Bolts
First Pass in Sequence 20 Nm (15 lb ft)
Second Pass in Sequence 80 Nm (60 lb ft)
Third Pass in Sequence 90 degrees
Final Pass in Sequence 45 degrees
Cylinder Head M8 Bolts - in Sequence 30 Nm (22 lb ft)
Use NEW cylinder head bolts
Surface Flatness
Block Deck
Measured within a 152.4 mm (6.0 in) Area 0.08 mm (0.003 in)
Measuring the Overall Length of the Cylinder Head 0.1 mm (0.004 in)
Exhaust Manifold Deck 0.1 mm (0.004 in)
Intake Manifold Deck 0.08 mm (0.0031 in)
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.