Fuel pump
Fuel pump |
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Dismantling |
Important | ||
The car should be parked on a level surface. If the tank is full and the car is jacked up at the rear when the pump is removed, it is very likely that fuel will run out. |
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Place protective paper over the carpeting when the pump is removed as there is a risk of fuel spilling out. |
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1. |
Raise the rear seat cushions and fold the carpeting out of the way.
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2. |
Remove the fuel pump cover.
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3. |
Unplug the upper connector.
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4. |
Certain cars:
Remove the retaining clip.
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6. |
Remove the screw ring using the
83 94 462 Fuel pump tool
.
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8. |
Transfer the pump to a suitable receptacle and pour off the fuel.
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To fit |
Note | ||
Spray the connectors with Kontakt 61, part no. 30 04 520, before connecting them. |
1. |
Clean sealing surfaces.
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2. |
Fit a new O-ring in the tank groove.
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4. |
Lubricate the screw threads on the pump cover and the upper edge of the pump with acid-free vaseline to prevent the pump from turning when the screw ring is tightened.
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5. |
Attach the screw ring with the
83 94 462 Fuel pump tool
.
Tightening torque: 75 Nm (55 lbf ft) |
6. |
Inspect and lubricate the O-rings on the fuel line connections with acid-free vaseline. Connect the fuel line connections to the pump.
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7. |
Make sure that the yellow hooks have snapped in place over the connections.
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8. |
Certain cars:
Fit the retaining clip. Fit the screw manually to avoid damaging the thread. Check that the retaining clip does not press against the yellow catches.
Tightening torque: 2 Nm (1.5 lbf ft).
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9. |
Plug in the connector.
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10. |
Check that the pump functions properly and that it does not leak.
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11. |
Fit the fuel pump cover, replace the rear seat cushions and fold back the carpeting.
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