Installing Fuel-Level Sensor

WARNING: This page is about a different car, the 2024 Porsche 911, 2023 Porsche 911, and 2022 Porsche 911. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: Flammable or explosive materials

Danger of fire or explosion
→ Avoid contact with hot parts or sources of ignition.

→ Use suction to remove ignitable vapors.

→ Attach warning sign in a clearly visible position.

Information

Always comply with the regulations for handling ESD-sensitive components!

Assembly work may only be carried out if the mechanic is wearing the working clothes and shoes approved by Porsche.
The new part must only be removed from the ESD (electrostatic discharge) protective packaging just before installation and at the position at which the part is to be installed.
Never touch the electric pins and plug contacts.

Information

When the work is complete, check that all aids and foreign objects (e.g. cloths, tools) are removed from the engine compartment.

Install bottom fuel level sender.
1. 1.1 Carefully guide the bottom fuel level sender -2- into the fuel tank and clip it into the fuel pump -1- .
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Bottom fuel-level sensor in fuel tank
Remove the top -2- fuel-level sensor.
1. 2.1 Carefully guide the fuel level sender -2- into the fuel tank and position it.
2. 2.2 Clip in plug connection -1- at the holder.
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Top fuel-level sensor in fuel tank

Information
- Replace flange gasket on the fuel tank.
Fit new sealing ring on the flange.

Connect connections at the flange and check that they are seated securely.

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Fuel tank flange connections

1	Vent line
2	Fuel line
3	Electric connection for fuel level sender
4	Electric connection for fuel pump

Insert flange and lock locking ring -1- using > 9731/1 - lug wrench-2- by turning it clockwise.
IMPORTANT: High closing force for locking lugs on the locking ring!

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Tool for fuel tank flange
Connect fuel and vent lines -A- and check that they are seated securely.
1. 6.1 Lock the fuel line -B- (variant with lock).
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Lines
Connect electric plug connections -Arrows- and check that they are seated securely.

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Plug connections
Install battery console holder.
1. 8.1 Tighten fastening screws -1- .
  > Tightening torque 23 Nm (17 ftlb.)
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Battery console holder
Fit vacuum line.
1. 9.1 Connect the vacuum line -A- and check that it is seated securely.
2. 9.2 Clip in vacuum line -B- .
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Vacuum line
Plug in electric plug connection on fuel pump control unit at the underside of the battery console and check that it is seated securely.
Only for USA vehicles
Plug in electric plug connection on temperature sensor for leakage diagnosis at the underside of the battery console and check that it is seated securely.
Install battery console -1- .
1. 12.1 Tighten fastening screws -2- .
  > Tightening torque 23 Nm (17 ftlb.)

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Battery console