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 MANUALSCHEVROLET2013EXPRESS 2500 V8-4.8LREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINECRANKSHAFT MAIN BEARING
2013 Chevrolet Express 2500 V8-4.8L
Crankshaft Main Bearing
2013 Chevrolet Express 2500 V8-4.8LSECTION Crankshaft Main Bearing
Main bearing caps
M10 bearing cap bolts (1-10)
First pass 20 Nm (15 lb ft)
Final pass 80 degrees
M10 studs (11-20)
First pass 20 Nm (15 lb ft)
Final pass 51 degrees
M8 bolts (1-5)
First pass 20 Nm (15 lb ft)
Final pass 30 Nm (22 lb ft)
M8 bolts (6-10)
First pass 20 Nm (15 lb ft)
Final pass 30 Nm (22 lb ft)
Crankshaft Main Bearing Clearance
Production 0.02-0.052 mm (0.0008-0.0021 in)
Service 0.02-0.065 mm (0.0008-0.0025 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.