Fuel Pump: Service Precautions
Safety Precautions
CAUTION!
When doing any repair work, especially in the engine compartment, pay attention to the following due to clearance issues:
• Route all lines and wires in their original locations.
• Make sure there is enough clearance to moving or hot components to prevent damage to the lines.
The fuel pump is activated with switching on the ignition and by a door contact switch in the driver's door. If the battery is not disconnected, disconnect the connector - arrow - from the fuel delivery unit before opening the fuel supply system.
Always observe the following when removing and installing the fuel level sensor or the fuel delivery unit from a full or partially filled fuel tank.
• Place a extractor hose from an exhaust extraction system near the fuel tank opening and extract the fuel vapors. If no exhaust extraction system is available, a radial fan (as long as the motor is not in the air flow) with a displacement greater than 15 m3/h can be used.
• Prevent fuel from contacting skin! Wear fuel resistant gloves!