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 MANUALSCHEVROLET2009TRAVERSE AWD V6-3.6LREPAIR AND DIAGNOSISENGINE, COOLING AND EXHAUSTENGINECYLINDER HEAD ASSEMBLYSPECIFICATIONS
2009 Chevrolet Traverse AWD V6-3.6L
Cylinder Head Assembly: Specifications
2009 Chevrolet Traverse AWD V6-3.6LSECTION Specifications
CYLINDER HEAD
Cylinder Head Bolt - M8
First Pass 15 Nm (11 lb ft)
Final Pass 75 Degrees
Cylinder Head Bolt - M11
First Pass 30 Nm(22 lb ft)
Final Pass 150 Degrees
Cylinder Head Surface Variation
If the warpage is less than 0.05 mm (0.002 in), the cylinder head deck surface does not require resurfacing.
If the warpage is between 0.05-0.20 mm (0.002-0.008 in) or any imperfections or scratches that could inhibit proper cylinder head gasket sealing are present, the cylinder head deck surface requires resurfacing.
If resurfacing is required the maximum amount that can be removed is 0.25 mm (0.010 in).
If the cylinder head deck surface requires more than 0.25 mm (0.010 in) material removal the head must be replaced.
CYLINDER HEAD BOLT RE-USABILITY
Notice: DO NOT allow oil on the cylinder head bolt bosses. DO NOT reuse the old cylinder head bolts.
CAMSHAFT BEARING CAP
Camshaft Cap Bolt 10 Nm (89 lb in)
INTAKE MANIFOLD
Upper-to-Cylinder Head Bolt - Long 23 Nm (17 lb ft)
Upper-to-Cylinder Head Bolt - Short 23 Nm (17 lb ft)
Upper-to-Lower Intake Manifold Bolt 23 Nm (17 lb ft)
EXHAUST MANIFOLD
Bolt 20 Nm (15 lb ft)
Cylinder Head Bolt - M8
First Pass 15 Nm (11 lb ft)
Final Pass 75 Degrees
Cylinder Head Bolt - M11
First Pass 30 Nm(22 lb ft)
Final Pass 150 Degrees
Cylinder Head Surface Variation
If the warpage is less than 0.05 mm (0.002 in), the cylinder head deck surface does not require resurfacing.
If the warpage is between 0.05-0.20 mm (0.002-0.008 in) or any imperfections or scratches that could inhibit proper cylinder head gasket sealing are present, the cylinder head deck surface requires resurfacing.
If resurfacing is required the maximum amount that can be removed is 0.25 mm (0.010 in).
If the cylinder head deck surface requires more than 0.25 mm (0.010 in) material removal the head must be replaced.
CYLINDER HEAD BOLT RE-USABILITY
Notice: DO NOT allow oil on the cylinder head bolt bosses. DO NOT reuse the old cylinder head bolts.
CAMSHAFT BEARING CAP
Camshaft Cap Bolt 10 Nm (89 lb in)
INTAKE MANIFOLD
Upper-to-Cylinder Head Bolt - Long 23 Nm (17 lb ft)
Upper-to-Cylinder Head Bolt - Short 23 Nm (17 lb ft)
Upper-to-Lower Intake Manifold Bolt 23 Nm (17 lb ft)
EXHAUST MANIFOLD
Bolt 20 Nm (15 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.