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 MANUALSCHEVROLET2001CHEVY EXPRESS G2500, VAN CARGO EXTENDED, 5.7 R, L31/KL8REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 34 (ENGINE MECHANICAL - 6.6L (ON-VEHICLE))ENGINE SPECIFICATIONSGENERAL SPECIFICATIONS
2001 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.7 R, L31/KL8
General Specifications
2001 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.7 R, L31/KL8SECTION General Specifications
WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
GENERAL SPECIFICATIONS
| Application | Specification | |
|---|---|---|
| Displacement | 402 CID (6.6L) | |
| Bore | 4.06" (103 mm) | |
| Stroke | 3.90" (99 mm) | |
| Compression Ratio | 17.5:1 | |
| Fuel System | High Pressurized Direct Injection | |
| Idle Speed | 600 RPM | |
| Compression Pressure | 300 psi (2069 kPa) | |
| Fuel Injection | High Pressurized Direct Injection | |
| Maximum Pressure | 23,206 psi | |
| Air Intake System | Turbocharged, Charge Air Cooled | |
| Oil Pump Type | Gear | |
| Oil Pressure | 42 psi @ 1800 RPM | |
| Oil Pressure @ Engine Operating Temperature | 14 psi @ Idle | |
| Oil Capacity | ||
| With Filter Change | 10 Qts. (9.5L) | |
| Without Filter Change | 9.2 Qts. (8.7L) | |
| Oil Filter Type | Full-Flow Disposable | |
RENDER: 1.0x
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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.