16 12 001 Removing and installing / replacing fuel level sensor (left) (complete unit)

Sucking the fuel out of the fuel tank,

refer to DRAINING AND FILLING FUEL TANK 

Remove rear bench seat. 52 26 005 REMOVING AND INSTALLING/REPLACING REAR SEAT (THROUGH-LOADING SYSTEM)

Fold floor trim panel (1) forwards.

Cut insulating mat (2) at perforation and fold back, releasing rubber grommet in process.

Fig 1: Folding Floor Trim Panel Forwards

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Release hexagon nuts (1) and remove cover (2).

Installation: 

1. Check seal for cover (2), replace if necessary.

Fig 2: Checking Seal For Cover

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Release hose clip (1) and disconnect hose (2).

Unfasten plug connection (3) and disconnect.

Fig 3: Releasing Hose Clip And Disconnect Hose

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Unfasten rotary connection with special tool 16 1 020.

Installation: 

1. Replace rubber seal; in so doing, always insert rubber seal in tank.
2. Tighten down rotary connection to correct torque.
3. Tightening torque, refer to refer to 16 14 FUEL PUMP .

Fig 4: Locating Special Tools

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Installation: 

1. When Installing the fuel level sensor, ensure the lug (1) locates in the recess (2) on the tank.
2. When tightening to torque, notch (3) on screw cap can be heard and felt to engage in the toothed segment (4) on the tank.

Fig 5: Installing Fuel Level Sensor

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Carefully withdraw fuel level sensor.

Fig 6: Withdrawing Fuel Level Sensor

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Depress detent (1) and remove tank expansion line.

Fig 7: Removing Tank Expansion Line

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Installation: 

1. Ensure that non-return valve (1) is fitted in tank expansion line.

Fig 8: Locating Non-Return Valve

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Fig 9: Checking Whether Tank Expansion Lead

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