Removing Supply Line - Section From High-Pressure Pump To High-Pressure Pump

WARNING: This page is about a different variant/trim than selected.

WARNING: Highly inflammable or explosive materials

Danger of fire or explosion
1. → Avoid contact with hot parts or sources of ignition.
2. → Use suction to remove ignitable vapors.
3. → Attach warning sign in a clearly visible position.
4. → Contain leaked media using non-flammable absorbent material and put it in a container designed for this purpose for disposal in accordance with local requirements.
5. → Secure collection containers/vessels to prevent them from tipping over.

WARNING: Toxic substances

Danger of poisoning or suffocation
Danger of burns to the eyes and skin
1. → Ventilate the work area well.
2. → Never ingest or inhale.
3. → Read specific information on the Hazard Sheet.
4. → Wear personal protective gear.
5. → Do not smoke, eat or drink in the work area.

Information

Escaping fuel must be soaked up using suitable binding material.
The fuel system must be depressurized before starting work on it.
Only work on the fuel system in well-ventilated rooms.
Any seals that were removed must always be replaced.
Never use sealant containing silicone or silicone spray when the injection system is open. Traces of silicone drawn in by the engine are not combusted and damage the oxygen sensors.

Information

Plastic lines must not be kinked or bent as this can make them brittle and start to leak.

Have suitable aids ready for collecting emerging fuel.
Have suitable stoppers ready for closing off the line connections.
Disconnect section of supply line -1- in the engine compartment.

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Supply line - connection point in engine compartment
1. 3.1 Release and disconnect quick connector on supply line -2- in the engine compartment.
2. 3.2 Collect escaping fuel.
3. 3.3 Close off line connections with stoppers.
Disconnect section of supply line

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Electric plug connection for fuel low-pressure sensor
1. 4.1 Release and disconnect electric plug connection for fuel low-pressure sensor -2- .
2. 4.2 Unscrew screw on supply line holder -3- .
Disconnect coolant line -1-

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Coolant lines
1. 5.1 Disconnect quick connector -2- .
  1. 5.1.1 Lift up spring clamp -3- so that the locking mechanism is exposed.
  2. 5.1.2 Pull off quick connector -2- .
2. 5.2 Unscrew screws for coolant lines -5- .
3. 5.3 Move coolant line -1- aside so that the supply line is accessible.
4. 5.4 Close off line connections with stoppers.
Remove section of supply line -1-

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Supply line - section from high-pressure pump to high-pressure pump
1. 6.1 Unscrew screws on holder for section of supply line -2- .
2. 6.2 Unscrew union nuts for supply line -3- at the high-pressure pumps.
3. 6.3 Guide out section of supply line -1-
4. 6.4 Close off line connections with stoppers.