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 MANUALSCHEVROLET2006MALIBU V6-3.9L VIN 1REPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINECYLINDER HEAD ASSEMBLY
2006 Chevrolet Malibu V6-3.9L VIN 1
Cylinder Head Assembly
2006 Chevrolet Malibu V6-3.9L VIN 1SECTION Cylinder Head Assembly
Cylinder Head
Combustion Chamber Depth - at Measurement Point 2.2 mm (0.087 inch)
Surface Finish - Maximum 2.8 RA
Surface Flatness - Block Deck 0.08 mm Per 152 mm (0.003 in Per 6 inch)
Surface Flatness - Exhaust Manifold Deck 0.1 mm (0.004 inch)
Surface Flatness - Intake Manifold Deck 0.1 mm (0.004 inch)
Cylinder Head Bolt
Notice: This component uses torque-to-yield bolts. When servicing this component do not reuse the bolts, New torque-to-yield bolts must be installed. Reusing used torque-to-yield bolts will not provide proper bolt torque and clamp load. Failure to install NEW torque-to-yield bolts may lead to engine damage.
First Pass 60 Nm (44 ft. lbs.)
Final Pass 95 degrees
Lower Intake Manifold Bolt - Center
First Pass 13 Nm (10 ft. lbs.)
Final Pass 20 Nm (15 ft. lbs.)
Lower Intake Manifold Bolt - Corner
First Pass 13 Nm (10 ft. lbs.)
Final Pass 25 Nm (18 ft. lbs.)
Exhaust Manifold Bolt 20 Nm (15 ft. lbs.)
Exhaust Manifold Heat Shield Bolt 10 Nm (89 inch lbs.)
Upper Intake Manifold Bolt/Stud 25 Nm (18 ft. lbs.)
Camshaft Position Actuator Assembly Bolt 16 Nm (12 ft. lbs.)
Camshaft Position Actuator Magnet Bolt 10 Nm (89 inch lbs.)
Combustion Chamber Depth - at Measurement Point 2.2 mm (0.087 inch)
Surface Finish - Maximum 2.8 RA
Surface Flatness - Block Deck 0.08 mm Per 152 mm (0.003 in Per 6 inch)
Surface Flatness - Exhaust Manifold Deck 0.1 mm (0.004 inch)
Surface Flatness - Intake Manifold Deck 0.1 mm (0.004 inch)
Cylinder Head Bolt
Notice: This component uses torque-to-yield bolts. When servicing this component do not reuse the bolts, New torque-to-yield bolts must be installed. Reusing used torque-to-yield bolts will not provide proper bolt torque and clamp load. Failure to install NEW torque-to-yield bolts may lead to engine damage.
First Pass 60 Nm (44 ft. lbs.)
Final Pass 95 degrees
Lower Intake Manifold Bolt - Center
First Pass 13 Nm (10 ft. lbs.)
Final Pass 20 Nm (15 ft. lbs.)
Lower Intake Manifold Bolt - Corner
First Pass 13 Nm (10 ft. lbs.)
Final Pass 25 Nm (18 ft. lbs.)
Exhaust Manifold Bolt 20 Nm (15 ft. lbs.)
Exhaust Manifold Heat Shield Bolt 10 Nm (89 inch lbs.)
Upper Intake Manifold Bolt/Stud 25 Nm (18 ft. lbs.)
Camshaft Position Actuator Assembly Bolt 16 Nm (12 ft. lbs.)
Camshaft Position Actuator Magnet Bolt 10 Nm (89 inch 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.