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 MANUALSCHEVROLET2000CHEVY EXPRESS G3500, VAN CARGO, 4.3 WREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCEAPPLICATIONENGINE/VIN BREAKDOWNENGINE/VIN BREAKDOWNENGINE CODE LOCATION
2000 Chevrolet Chevy Express G3500, Van Cargo, 4.3 W
Engine Code Location
2000 Chevrolet Chevy Express G3500, Van Cargo, 4.3 WSECTION Engine Code Location
NOTE:
For description of engine (RPO) code, see 2000 MODEL COVERAGE table.
- L01 & L34
On lower left side of engine block, on engine-to-transmission mating flange. - L29 & L65
On rear left side of engine block, on engine-to-transmission mating flange. - L30, L31, LM7, LQ4 & LR4
On rear left side of engine block, below left-side cylinder head. - L35 & LF6
On rear left side of engine block, on engine-to-transmission mating flange, OR on rear right side of engine block, below intake manifold, OR on right front top of engine block, below cylinder head. - L43 & LN2
On top front of rocker cover, OR on rear left side of engine block, above starter. - LA1
On left side of engine block, above starter.
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.