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.
2012 Smart Fortwo PureFACTORY OEM SERVICE PROCEDURE
Fuel System - 451 Chassis
- Safety Precautions
- Testing & Repair
- Empty/fill fuel tank - AR47.10-P-4001MCU
- Remove/install fuel tank - AR47.10-P-4100MCU
- Remove/install filler neck of fuel tank - AR47.10-P-7541MCU
- Remove/install fuel pump and fuel level sensor - AR47.20-P-7000MCU
- Remove/install fuel line - AR47.25-P-0025MCU
- Remove, install fuel tank bleed valve - AR47.30-P-1000MCU
- Remove/install activated charcoal canister - AR47.30-P-8212MCU
- Remove/install purge line
- Remove/install fuel tank pressure sensor - AR47.50-P-0050MCU
- Maintenance
- Capacities & Specifications
- Torque Specifications
- Special tools
Factory Service Tools
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.
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