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Home >> Audi >> 2017 >> A7 Quattro Competition >> Repair and Diagnosis >> External Pages >> Different car >> Section 131 (Engine System (Precautions & General Information - 4.0L - CEUC, CRDB, CTGE, CWUB, CWUC)) >> 00 General, Technical Data >> Safety Precautions >> Safety Precautions When Working On Fuel Supply System

Safety Precautions When Working On Fuel Supply System

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CAUTION:

There Is A Risk Of Injury Because The Fuel Is Under Pressure 

The fuel system is under pressure. Injuries are possible from fuel spraying out.

Before opening the fuel system:

-- Wear protective eyewear.

-- Wear safety gloves.

-- Reduce the pressure: place clean cloths around the connection point and carefully open the connection point.

CAUTION:

Risk Of A Fire Due To Leaking Fuel 

When the battery is connected, the door contact switch activates the fuel pump when opening the driver door. Leaking fuel can ignite and start a fire.

-- Before opening the fuel system, cut off the fuel pump power supply.

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