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 MANUALSCHEVROLET2007COBALT L4-2.2LREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINECYLINDER BLOCK ASSEMBLYCRANKSHAFT MAIN BEARING
2007 Chevrolet Cobalt L4-2.2L
Crankshaft Main Bearing
2007 Chevrolet Cobalt L4-2.2LSECTION Crankshaft Main Bearing
Crankshaft Bearings - Lower Crankcase to Block - Bedplate
First Pass 20 N.m 15 lb ft
Final Pass 70 degrees
Lower Crankcase to Block Perimeter Bolt 25 N.m 18 lb ft
Crankshaft Main Bearing Clearance 0.031-0.067 mm 0.0012-0.0026 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.