Fuel Supply Unit and Fuel Level Sensor, Component Overview

1 - Fuel level sensor -G-
- Float is cube-shaped
- Check resistance values: Testing and Inspection
- Removing and installing: Service and Repair
2 - Return line
- With Fuel pump
- On inside of cover flange
- Disconnecting: press unlatch buttons on connector piece
3 - Sealing ring
- Replace
- Installing: insert dry into fuel tank opening
4 - O-rings
- Always replace.
- Check installation position
5 - Return line
- From fuel distributor
- Mark before removal
- Note direction of arrow on flange
6 - Supply line
- To fuel distributor
- Mark before removing
- Note direction of arrow on flange
7 - Cover flange
- Removing and installing Fuel Supply Unit, Removing and Installing
- Location: Note arrow marking. See below.
8 - Harness connector
- For Fuel Pump and Fuel level gauge sensor -G-
9 - Union nut
- 60 Nm (44 ft lb)
10 - Wiring
- To Fuel pump
- Attach with fuel resistant cableties (item 11)
11 - Supply line
- Fuel pump/surge housing
- Location Fuel Supply Unit, Removing and Installing
12 - Nut M4
- 1.5 Nm (13 in. lb)
- Install toothed washer beneath.
13 - Nut M5
- 2 Nm (18 in. lb)
- Install toothed washer beneath.
14 - Fuel supply unit
- Removing and installing Fuel Supply Unit, Removing and Installing
- Fuel pump electrical checks Testing and Inspection
15 - Fuel strainer
- Connected to fuel supply unit
- Can not be replaced individually
- Clean if dirty
16 - Surge housing lower section
- Installed in fuel tank
- Cannot be removed


Cover Flange Arrow Markings





Arrow 1 must be opposite arrow 2

NOTE: -Arrow 3- only applies to vehicles with Front-wheel drive.