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 MANUALSCHEVROLET2012COLORADO 2WD L4-2.9LREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINECRANKSHAFT MAIN BEARING
2012 Chevrolet Colorado 2WD L4-2.9L
Crankshaft Main Bearing
2012 Chevrolet Colorado 2WD L4-2.9LSECTION Crankshaft Main Bearing
Crankshaft Main Bearing Cap Bolt
First Pass 25 Nm (18 lb ft)
Final Pass 180 degrees
Crankshaft Main Bearing Clearance 0.012-0.064 mm (0.0004-0.0025 in)
Crankshaft Main Bearing Bore Diameter 78.070-78.088 mm (3.0760-3.0766 in)
First Pass 25 Nm (18 lb ft)
Final Pass 180 degrees
Crankshaft Main Bearing Clearance 0.012-0.064 mm (0.0004-0.0025 in)
Crankshaft Main Bearing Bore Diameter 78.070-78.088 mm (3.0760-3.0766 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.