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 MANUALSGMC2013SIERRA DENALI AWD V8-6.2LREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINECRANKSHAFT MAIN BEARING
2013 GMC Sierra Denali AWD V8-6.2L
Crankshaft Main Bearing
2013 GMC Sierra Denali AWD V8-6.2LSECTION Crankshaft Main Bearing
Crankshaft Main Bearing Clearance - Production 0.02-0.052 mm (0.0008-0.0021 in.)
Crankshaft Main Bearing Clearance - Service 0.02-0.065 mm (0.0008-0.0025 in.)
Crankshaft Main Bearing Bore Diameter 69.871-69.889 mm (2.75-2.751 in.)
Crankshaft Main Bearing Bore Out-of-Round 0.006 mm (0.0002 in.)
NEW Crankshaft Bearing Cap Bolts
M8 Bolts (1-5) - First Pass in Sequence 20 Nm (15 lb ft.)
M8 Bolts (1-5) - Second Pass in Sequence 30 Nm (22 lb ft.)
M8 Bolts (6-10) - First Pass in Sequence 20 Nm (15 lb ft.)
M8 Bolts (6-10) - Second Pass in Sequence 30 Nm (22 lb ft.)
M10 Bolts (1-10) - First Pass in Sequence 20 Nm (15 lb ft.)
M10 Bolts (1-10) - Final Pass in Sequence 80 degrees
M10 Studs (11-20) - First Pass in Sequence 20 Nm (15 lb ft.)
M10 Studs (11-20)- Final Pass in Sequence 51 degrees
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.