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 MANUALSCHEVROLET2009CORVETTE V8-7.0LREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINESYSTEM SPECIFICATIONSTIGHTENING TORQUES & SEQUENCES
2009 Chevrolet Corvette V8-7.0L
Tightening Torques & Sequences
2009 Chevrolet Corvette V8-7.0LSECTION Tightening Torques & Sequences
CYLINDER HEAD BOLTS
1. Tighten the M11 cylinder head bolts (1-10) a first pass in sequence to 30 Nm (22 lb ft).
2. Tighten the M11 cylinder head bolts (1-10) a second pass in sequence to 90 degrees using the J 45059 .
3. Tighten the M11 cylinder head bolts (1-10) a final pass in sequence to 70 degrees using the J 45059 .
4. Tighten the M8 cylinder head bolts (11-15) to 30 Nm (22 lb ft). Begin with the center bolt (11) and alternating side-to-side, work outward tightening all of the bolts.
Cylinder Head M8 Bolts - in Sequence 30 Nm (22 lb ft)
CYLINDER HEAD BOLT RE-USABILITY
Note: Do not use the cylinder head bolts again. Install NEW cylinder head bolts during assembly.
Do not use any type of sealant on the cylinder head gasket, unless specified.
The cylinder head gaskets must be installed in the proper direction and position.
INTAKE MANIFOLD
Tighten the intake manifold bolts to the sequence below:
First Pass: Tighten the intake manifold bolts in sequence to 5 Nm (44 lb in).
Final Pass: Tighten the intake manifold bolts in sequence to 10 Nm (89 lb in).
MAIN BEARING CAP
Tighten the M10 bearing cap bolts (1-10) a first pass in sequence to 20 Nm (15 lb ft).
Tighten the M10 bolts (1-10) a final pass in sequence 80 degrees using the J 45059 - meter.
Tighten the M10 studs (11-20) a first pass in sequence to 20 Nm (15 lb ft).
Tighten the M10 studs (11-20) a final pass in sequence 51 degrees using the J 45059 - meter.
Tighten the bearing cap side M8 bolts to 25 Nm (18 lb
Tighten the bearing cap side M8 bolts to 25 Nm (18 lb ft).
Tighten the bolt on 1 side of the bearing cap and then tighten the bolt on the opposite side of the same bearing cap.
ROD BEARING CAP
Connecting Rod Bolts
First Pass 20 Nm (15 lb ft)
Final Pass 110 degrees
CRANKSHAFT PULLEY
Crankshaft Balancer Bolt
First Pass 150 Nm (111 lb ft)
Second Pass Loosen 360 degrees
Third Pass 50 Nm (37 lb ft)
Final Pass 230 degrees
FLYWHEEL/FLEXPLATE
Flywheel Bolts
First Pass 30 Nm (22 lb ft)
Final Pass 40 degrees
OIL PUMP
Oil Pump Cover Bolts 12 Nm (106 lb in)
EXHAUST MANIFOLD
Exhaust Manifold Bolts
First Pass 15 Nm (11 lb ft)
Final Pass 20 Nm (15 lb ft)
WATER PUMP
Water Pump Bolts
First Pass 15 Nm (11 lb ft)
Final Pass 30 Nm (22 lb ft)
1. Tighten the M11 cylinder head bolts (1-10) a first pass in sequence to 30 Nm (22 lb ft).
2. Tighten the M11 cylinder head bolts (1-10) a second pass in sequence to 90 degrees using the J 45059 .
3. Tighten the M11 cylinder head bolts (1-10) a final pass in sequence to 70 degrees using the J 45059 .
4. Tighten the M8 cylinder head bolts (11-15) to 30 Nm (22 lb ft). Begin with the center bolt (11) and alternating side-to-side, work outward tightening all of the bolts.
Cylinder Head M8 Bolts - in Sequence 30 Nm (22 lb ft)
CYLINDER HEAD BOLT RE-USABILITY
Note: Do not use the cylinder head bolts again. Install NEW cylinder head bolts during assembly.
Do not use any type of sealant on the cylinder head gasket, unless specified.
The cylinder head gaskets must be installed in the proper direction and position.
INTAKE MANIFOLD
Tighten the intake manifold bolts to the sequence below:
First Pass: Tighten the intake manifold bolts in sequence to 5 Nm (44 lb in).
Final Pass: Tighten the intake manifold bolts in sequence to 10 Nm (89 lb in).
MAIN BEARING CAP
Tighten the M10 bearing cap bolts (1-10) a first pass in sequence to 20 Nm (15 lb ft).
Tighten the M10 bolts (1-10) a final pass in sequence 80 degrees using the J 45059 - meter.
Tighten the M10 studs (11-20) a first pass in sequence to 20 Nm (15 lb ft).
Tighten the M10 studs (11-20) a final pass in sequence 51 degrees using the J 45059 - meter.
Tighten the bearing cap side M8 bolts to 25 Nm (18 lb
Tighten the bearing cap side M8 bolts to 25 Nm (18 lb ft).
Tighten the bolt on 1 side of the bearing cap and then tighten the bolt on the opposite side of the same bearing cap.
ROD BEARING CAP
Connecting Rod Bolts
First Pass 20 Nm (15 lb ft)
Final Pass 110 degrees
CRANKSHAFT PULLEY
Crankshaft Balancer Bolt
First Pass 150 Nm (111 lb ft)
Second Pass Loosen 360 degrees
Third Pass 50 Nm (37 lb ft)
Final Pass 230 degrees
FLYWHEEL/FLEXPLATE
Flywheel Bolts
First Pass 30 Nm (22 lb ft)
Final Pass 40 degrees
OIL PUMP
Oil Pump Cover Bolts 12 Nm (106 lb in)
EXHAUST MANIFOLD
Exhaust Manifold Bolts
First Pass 15 Nm (11 lb ft)
Final Pass 20 Nm (15 lb ft)
WATER PUMP
Water Pump Bolts
First Pass 15 Nm (11 lb ft)
Final Pass 30 Nm (22 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.