Removing and installing the fuel tank gauge unit

Note

When working on the fuel system, observe relevant safety requirements. Do not remove the gauge unit while the tank is full.

2. Before fitting a new tank gauge unit, remove the transport protector.

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2. Undo union nut using Special Tool 9190. Take gauge unit complete with gasket.

Installation

1. Always use a new gasket. Coat threads and seating area of union nut with Optimoly TA.

Note

Removal

1. Remove luggage compartment floor covering. Remove cover of fuel tank gauge unit. Undo hose clamp, disconnect fuel return hose and electrical connector.

2. Undo union nut using Special Tool 9190. Take gauge unit complete with gasket.

Installation

1. Always use a new gasket. Coat threads and seating area of union nut with Optimoly TA.

Note

TO facilitate assembly, immerse the union nut into hot water (heated to approx. 60 to 70 deg. C) for approx. 8 minutes.

3. Tighten union nut to a torque of 35 ± 5 Nm (26 ± 4 ftlb) using Special Tool 9190.

4. When fitting the fuel return hose, make sure the screw of the hose clamp does not contact the union nut or the fuel tank gauge unit.

Removing and installing the fuel tank gauge unit

Printed in Germany - XXVII, 1991

ACTIVATED CHARCOAL CANNISTER FOR REMOVAL OF TOXIC SUBSTANCES FROM FUEL TANK BREATHER (DIAGRAM)

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