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 MANUALSCHEVROLET2004AVALANCHE 2500 2WD V8-8.1L VIN GREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINECYLINDER BLOCK ASSEMBLYSYSTEM SPECIFICATIONSTORQUE SPECIFICATIONS
2004 Chevrolet Avalanche 2500 2WD V8-8.1L VIN G
Torque Specifications
2004 Chevrolet Avalanche 2500 2WD V8-8.1L VIN GSECTION Torque Specifications
Connecting Rod Nut
First Pass 30 Nm (22 ft. lbs.)
Final Pass 90 Degrees
Crankshaft Balancer Bolt 255 Nm (189 ft. lbs.)
Crankshaft Bearing Cap Service and Repair
Crankshaft Bearing Cap Inner Bolts
First Pass 30 Nm (22 ft. lbs.)
Final Pass 90 Degrees
Crankshaft Bearing Cap Outer Bolts/Studs
First Pass 30 Nm (22 ft. lbs.)
Final Pass 80 Degrees
Engine Block Coolant Drain M28 Plug - Left Front 60 Nm (44 ft. lbs.)
Engine Block Coolant Drain Plug - Sides 30 Nm (22 ft. lbs.)
Engine Block Heater 50 Nm (37 ft. lbs.)
Engine Block Oil Gallery
Front Plug 20 Nm (15 ft. lbs.)
Rear Plug 30 Nm (22 ft. lbs.)
Side Plug 30 Nm (22 ft. lbs.)
Top Plug 20 Nm (15 ft. lbs.)
First Pass 30 Nm (22 ft. lbs.)
Final Pass 90 Degrees
Crankshaft Balancer Bolt 255 Nm (189 ft. lbs.)
Crankshaft Bearing Cap Service and Repair
Crankshaft Bearing Cap Inner Bolts
First Pass 30 Nm (22 ft. lbs.)
Final Pass 90 Degrees
Crankshaft Bearing Cap Outer Bolts/Studs
First Pass 30 Nm (22 ft. lbs.)
Final Pass 80 Degrees
Engine Block Coolant Drain M28 Plug - Left Front 60 Nm (44 ft. lbs.)
Engine Block Coolant Drain Plug - Sides 30 Nm (22 ft. lbs.)
Engine Block Heater 50 Nm (37 ft. lbs.)
Engine Block Oil Gallery
Front Plug 20 Nm (15 ft. lbs.)
Rear Plug 30 Nm (22 ft. lbs.)
Side Plug 30 Nm (22 ft. lbs.)
Top Plug 20 Nm (15 ft. lbs.)
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.