Remove/install fuel tank

AR47.10-P-4100MCU

Remove/install fuel tank

17.10.11

28.3.08

Replacement of screw/bolts on fuel tank, added

Operation step 10

 

Remove/install

 Danger!

Risk of explosion caused by fuel igniting, risk of poisoning caused by inhaling and swallowing fuel and risk of injury to eyes and skin caused by contact with fuel

No fire, sparks, open flames or smoking.
Only pour fuels into suitable and appropriately marked containers.

Wear protective clothing when handling fuel.

AS47.00-Z-0001-01A

1

Drain fuel tank (7)

AR47.10-P-4001MCU

2

Remove fender liner in right rear fender

AR88.10-P-1400MCU

3

Remove cable tie (3) on filler neck (1)

4

Unlock and detach purge line (2) at filler neck (1)

 Close off opening of the purge line (2) and the filler neck (1) using suitable plugs.

5

Raise vehicle using the vehicle lift and remove underfloor paneling

Rechargeable drill / screwdriver

gotis://G_58.0_01.1

6

Remove diagonal struts (16)

In model 451.4

AR61.10-P-5138MCU

7

Remove rear bulkhead (14)

In model 451.4

AR61.25-P-6600MCU

8

Detach screw clamp (8) and disconnect hose (9) on fuel tank (7)

 Seal openings of hose (9) and the fuel tank (7) using a suitable plug.

9

Support fuel tank (7) with a transmission jack and a removal fixture



*450589026200

Transmission jack
gotis://H_00.10_01.0

10

Remove screw/bolts (15) and bolt (arrow A) for fuel tank (7)

 Installation: Replace self-locking bolts (15) and self-locking bolt (arrow A).



*BA47.10-P-1001-01F

11

Carefully lower fuel tank (7) until the electrical connector (17) on activated charcoal canister (4) is accessible

12

Disconnect electrical connector (17) on activated charcoal canister (4)

13

Release clamp (6) and detach purge line (5) from activated charcoal canister (4)

14

Lower the fuel tank (7) further until electrical connector (12) becomes accessible at the fuel pump with fuel level sensor (M3/3)

15

Disconnect electrical plug (12) on fuel pump with fuel level sensor (M3/3)

16

Disconnect electrical connector (13) on tank pressure sensor (B4/3)

17

Lay out rags in the area of the fuel pump with fuel level sensor (M3/3)

18

Unlock fuel lines (10, 11) at fuel pump with fuel level sensor (M3/3) and detach

 Close off openings for fuel line (10, 11) and the fuel tank (7) using a suitable stop plug.

19

Release purge line (5) from bracket

(arrow B) and from the brackets at fuel tank (7)

20

Lower fuel tank (7) further and remove from removal fixture

 Aid of helper required.

If the fuel tank (7) is replaced the removed fuel tank (7) must be professionally disposed of.

See: 



Disposing of fuel tanks

OS47.10-P-0001-01A

21

M3/3 Remove existing fuel pump with fuel level sensor

When replacing the fuel tank (7).

AR47.20-P-7000MCU

22

Release clamp (18) and detach purge line (19) from activated charcoal canister (4)

When replacing the fuel tank (7).

23

Unlock catch hook (arrow C) and remove activated charcoal canister (4) forwards from holder on fuel tank (7)

When replacing the fuel tank (7).

24

Remove fuel tank pressure sensor (B4/3)

When replacing the fuel tank (7).

AR47.50-P-0050MCU

25

Install in the reverse order

 Danger!

Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near the engine as it is running

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

AS00.00-Z-0005-01A

26

Perform test run engine and check fuel tank (7) and connections for leaks

Number

Designation

Model 451.3/4

BA47.10-P-1001-01F

Screw/bolt, fuel tank to body

Nm

13