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 MANUALSCHEVROLET2002EXPRESS 1/2 TON VAN V6-4.3L VIN WREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSCATALYTIC CONVERTER
2002 Chevrolet Express 1/2 Ton Van V6-4.3L VIN W
Catalytic Converter
2002 Chevrolet Express 1/2 Ton Van V6-4.3L VIN WSECTION Catalytic Converter
Catalytic Converter Clamp-Right Side 54 Nm (40 ft. lbs.)
Catalytic Converter Pipe to Exhaust Manifold Bolts 65 Nm (48 ft. lbs.)
Catalytic Converter to Muffler Retaining Nuts 48 Nm (35 ft. lbs.)
Catalytic Converter Flange to Turbocharger Bolts 20 Nm (15 ft. lbs.)
Catalytic Converter Pipe to Muffler Clamp 50 Nm (37 ft. lbs.)
Catalytic Converter Pipe to Exhaust Manifold Bolts 65 Nm (48 ft. lbs.)
Catalytic Converter to Muffler Retaining Nuts 48 Nm (35 ft. lbs.)
Catalytic Converter Flange to Turbocharger Bolts 20 Nm (15 ft. lbs.)
Catalytic Converter Pipe to Muffler Clamp 50 Nm (37 ft. lbs.)
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.