Remove/install fuel tank

AR47.10-D-4100SD

Remove/install fuel tank

12.09.2018

Model

900 with engine 651

Model

906 with engine 642, 646, 651

Modification notes

11.09.2018

Installation note added

Step 5

2

Bolts

3

Cover

4

Screw

5

Filler neck

Shown on model 906 with code H12 (Hot-water auxiliary heater) without code XM0 (Facelift)

1

Fuel tank

9

Fuel return line

13

Vent line

6

Cable tie

10

Tensioning strap

14

Fuel line

7

Sealing

11

Tensioning strap

15

Fuel tank electrical connector

8

Fuel feed line

12

Tensioning strap

16

Fuel tank electrical connector

 Danger

Risk of explosion caused by fuel igniting, risk of poisoning caused by inhaling and swallowing fuel as well as risk of injury to eyes and skin caused by contactwith fuel.

No fires, sparks, open flames or smoking. Pour fuels into suitable and appropriately marked containers only.
Wear protective clothing when handling fuel.

AS47.00-Z-0001-01A

Topical note

Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

 

Remove/install

1

Raise vehicle.

AR00.60-D-1000H

2

Empty the fuel tank (1).

AR47.10-S-4001S

3

Remove fuel filler flap.

AR88.60-D-6023SD

4

Remove paneling (3)

 To do this, remove screws (2).

 Installation: Ensure correct seating of the sealing lip.

5

Remove screw (4) at filler neck (5).

 Installation: Replace lock nut for screw (4).

6

Remove cable tie (6).

 Installation: Replace cable tie (6).

7

Disconnect fuel tank electrical connector (16).

8

Remove seal (7).

 Installation: Ensure that sealing (7) is seated correctly.

9

Unclip and disconnect fuel tank electrical connector (15) at underbody.

10

Disconnect fuel line (14).

Model 900 with engine 651
with code HZ5 (10 kW warm water auxiliary heater with timer)
Model 900 with engine 651
with code HZ9 (Heater booster)
Model 906 with engine 642, 646, 651
with code H12 (Auxiliary hot-water heater)
Model 906 with engine 642, 646, 651
with code HZ5 (10 kW warm water auxiliary heater with timer)
Model 906 with engine 642, 646, 651
with code HZ9 (Heater booster)

 Collect escaping fuel.

 Commercially available tools
Collection bowl

11

Release and disconnect fuel feed line (8) and fuel return line (9).

 Collect escaping fuel.

 Commercially available tools
Collection bowl

 Installation: Do not mix up fuel feed line (8) and fuel return line (9). Connections are color coded.

12

Remove tensioning strap (10).

 Bolt, fuel tank tensioning strap to longitudinal member

*BA47.10-N-1002-01E

13

Support fuel tank (1) at center.



000 588 11 62 00 Major assembly mount

WS01.00-P-0092B



000 588 10 62 00 Support plate

WS26.00-P-3309B

14

Remove tensioning straps (11, 12).

 Bolt, fuel tank tensioning strap to longitudinal member

*BA47.10-N-1002-01E

15

Lower fuel tank (1) until bleed line (13) can be accessed.

16

Unclip and remove bleed line (13) at fuel tank (1).

17

Lower fuel tank (1) and extract remaining fuel from fuel tank (1).



000 588 02 71 00 Pump

WS47.00-P-0017B

18

Transfer fuel delivery module and lines at fuel tank (1).

When replacing the fuel tank (1).

Remove/install fuel pump and fill level sensor

AR47.20-D-7000SD

19

Install in the reverse order.



Check

 Warning

Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.

Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.

AS00.00-Z-0005-01A

20

Perform engine test run and check fuel system in area of fuel tank (1) for leaks.

 Fuel tank

Number

Designation

Model 900 with engine 651

Model 906 with engine 642, 646, 651

BA47.10-N-1002-01E

Bolt, fuel tank tensioning strap to longitudinal member

Nm

56

56