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 MANUALSCHEVROLET2009COBALT L4-2.2LREPAIR AND DIAGNOSISENGINE, COOLING AND EXHAUSTENGINECYLINDER HEAD ASSEMBLYSPECIFICATIONS
2009 Chevrolet Cobalt L4-2.2L
Cylinder Head Assembly: Specifications
2009 Chevrolet Cobalt L4-2.2LSECTION Specifications
CYLINDER HEAD BOLTS

Cylinder Head Bolt
First Pass 30 Nm 22lb ft
First Pass 155 degrees
CYLINDER HEAD BOLT RE-USABILITY
Note: Do not use any sealing material. Always use NEW cylinder head bolts.
INTAKE MANIFOLD
Intake Manifold to Cylinder Head Bolt 10 Nm (89 lb in)
Intake Manifold to Cylinder Head Nut 10 Nm (89 lb in)
CAMSHAFT BEARING CAP
Camshaft Cap Bolt 10 Nm (89 lb in)
MAIN BEARING CAP
Crankshaft Bearing - Lower Crankcase to Block - Bedplate
First Pass 20 Nm (15 lb ft)
Final Pass 70 degrees
ROD BEARING CAP
Connecting Rod Bolt
First Pass 25 Nm (18 lb ft)
Final Pass 100 degrees
CRANKSHAFT PULLEY
Crankshaft Balancer Bolt
First pass 100 Nm (74 lb ft)
Final pass 125 degrees
FLYWHEEL/FLEXPLATE
Flexplate (AMT) Bolt
First Pass 53 Nm (39 lb ft)
Final Pass 25 degrees
Flywheel (SMT) Bolt
First Pass 53 Nm (39 lb ft)
Final Pass 25 degrees
OIL PUMP
Oil Pump Cover Bolt 6 Nm (53 lb in)
EXHAUST MANIFOLD
Exhaust Manifold to Cylinder Head Nut 14 Nm (124 lb in)
WATER PUMP
Water Pump Bolts 25 Nm (18 lb ft)
Cylinder Head Bolt
First Pass 30 Nm 22lb ft
First Pass 155 degrees
CYLINDER HEAD BOLT RE-USABILITY
Note: Do not use any sealing material. Always use NEW cylinder head bolts.
INTAKE MANIFOLD
Intake Manifold to Cylinder Head Bolt 10 Nm (89 lb in)
Intake Manifold to Cylinder Head Nut 10 Nm (89 lb in)
CAMSHAFT BEARING CAP
Camshaft Cap Bolt 10 Nm (89 lb in)
MAIN BEARING CAP
Crankshaft Bearing - Lower Crankcase to Block - Bedplate
First Pass 20 Nm (15 lb ft)
Final Pass 70 degrees
ROD BEARING CAP
Connecting Rod Bolt
First Pass 25 Nm (18 lb ft)
Final Pass 100 degrees
CRANKSHAFT PULLEY
Crankshaft Balancer Bolt
First pass 100 Nm (74 lb ft)
Final pass 125 degrees
FLYWHEEL/FLEXPLATE
Flexplate (AMT) Bolt
First Pass 53 Nm (39 lb ft)
Final Pass 25 degrees
Flywheel (SMT) Bolt
First Pass 53 Nm (39 lb ft)
Final Pass 25 degrees
OIL PUMP
Oil Pump Cover Bolt 6 Nm (53 lb in)
EXHAUST MANIFOLD
Exhaust Manifold to Cylinder Head Nut 14 Nm (124 lb in)
WATER PUMP
Water Pump Bolts 25 Nm (18 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.