Mitsubishi Grandis. Manual - part 685

 

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Mitsubishi Grandis. Manual - part 685

 

 

LOOSE PANEL

BODY

42-68

Dash side plate removal steps

Front deck crossmember and heater 
unit assembly (Refer to GROUP 55, 
Heater Unit and Blower Assembly 

P.55-200

).

9. Dash side plate <Driver’s side only>

Front backbone stay removal

10. Front backbone stay

Rear backbone stay removal

11. Rear backbone stay

Jack up point bracket removal

12. Jack up point bracket

Rear floor hook removal steps

Rear splash shield (Refer to GROUP 
51, Rear Bumper 

P.51-6

).

13. Rear floor hook

13B-1

GROUP 13B

FUEL SUPPLY

CONTENTS

GENERAL INFORMATION . . . . . . . .

13B-2

ON-VEHICLE SERVICE. . . . . . . . . . .

13B-2

FUEL PUMP OPERATION CHECK . . . . . . 

13B-2

FUEL TANK GAUGE UNIT CHECK . . . . . . 

13B-2

FUEL TANK PUMP AND GAUGE ASSEMBLY 
REPLACEMENT . . . . . . . . . . . . . . . . . . . . . 

13B-2

FUEL TANK GAUGE UNIT REPLACEMENT

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

13B-3

FUEL TANK  . . . . . . . . . . . . . . . . . . . .

13B-5

REMOVAL AND INSTALLATION  . . . . . . . . 

13B-5

DISASSEMBLY AND REASSEMBLY . . . . . 

13B-8

GENERAL INFORMATION

FUEL SUPPLY

13B-2

GENERAL INFORMATION

M1135000100491

• The fuel tank is located under the floor of the rear 

seats to provide increased protection and a more 
luggage space.

• A fuel tank safety valve, which prevents fuel 

leakage when the vehicle banks or rolls over, is 
located inside the fuel tank to reduce openings 
and piping junctions on the top surface of the fuel 
tank. 

• A built-in fuel tank filter and a fuel tank suction 

hose have been adopted to meet the fuel tank of 
a saddleback shape.

ON-VEHICLE SERVICE

FUEL PUMP OPERATION CHECK

M1135001000215

Refer to GROUP 13A - On-vehicle Service, Fuel 
Pump Operation Check 

P.13A-386

.

FUEL TANK GAUGE UNIT CHECK

M1135003100412

Refer to GROUP 54A 

− Combination Meter, 

On-vehicle Service, Fuel Tank Gauge Unit Check 

P.54A-81

.

FUEL TANK PUMP AND GAUGE 
ASSEMBLY REPLACEMENT

M1135004900370

1. Reduce fuel line pressure. (Refer to GROUP 13A, 

On-vehicle Service 

− Fuel Pump Relay 

Disconnection (How to Reduce Pressurized Fuel 
Lines 

P.13A-386

).

2. Remove the second seat assembly, the rail cover 

outer and the rail cover inner. (Refer to GROUP 
52A, Second Seat Assembly Removal and 
Installation 

P.52A-26

).

3. Remove the rear scuff plate (Refer to GROUP 

52A, Trim Removal and Installation 

P.52A-10

), 

and turn up the floor mat.

4. Remove the rear floor fuel gauge maintenance 

hole cover (LH).

5. Disconnect the fuel tank pump and gauge 

assembly connector, fuel high-pressure hose and 
fuel tank hose (return).

6. Remove the fuel tank pump and gauge assembly 

mounting nuts.

AC301331

AC

Rear floor
fuel gauge
maintenance hole cover

AC301292 AC

Fuel high-pressure hose 

Fuel tank hose
(return)

Fuel tank pump 
and gauge assembly 
connector

AC301329

AC

Fuel tank pump 
and gauge assembly

ON-VEHICLE SERVICE

FUEL SUPPLY

13B-3

CAUTION

• The section hose connecting fuel tank assist 

pump has factory preset mating marks. 
However, if the marks have been dropped out 
because of gasoline adherence, make the 
matingmarks and remove the suction hose.

• When withdrawing the fuel tank pump and 

gauge assembly via the service hole, be 
careful not to damage the gauge and the float.

7. While removing the fuel tank pump and gauge 

assembly from service hole, disconnect the 
suction hose from fuel tank assist pump, and 
remove the fuel tank pump and gauge assembly 
from service hole completely.
NOTE: When disassembling and reassembling 
the fuel tank pump and gauge assembly, refer to 
the items of fuel pump module disassembly and 
reassembly.(Refer to 

P.13B-8

).

8. Replace the fuel tank pump gasket with a new 

one.

CAUTION

• When installing the fuel tank pump and gauge 

assembly from service hole to fuel tank, 
install it with suction hose mating mark facing 
as shown in the illustration not to twist the 
suction hose.

• When installing the fuel tank pump and gauge 

assembly from the service hole to the fuel 
tank, be careful not to damage the gauge of 
fuel tank pump and gauge assembly and the 
float. In addition, be careful that the float of 
fuel gauge does not catch the suction hose in 
the fuel tank.

• When installing the fuel tank pump and gauge 

assembly from service hole to fuel tank, make 
sure that the gauge moving area can move 
smoothly.

9. While inserting the fuel tank pump and gauge 

assembly from the service hole to fuel tank, 
connect the suction hose to the fuel tank assist 
pump and install the fuel tank pump and gauge 
assembly to the fuel tank.

10.Connect the fuel tank pump and gauge assembly 

connector, fuel high-pressure hose and fuel tank 
hose.

11.Install the rear floor fuel gauge maintenance hole 

cover (LH).

12.Return the floor carpet back to the original state 

and install the rear scuff plate. (Refer to GROUP 
52A, Trim Removal and Installation 

P.52A-10

).

13.Install the rail cover inner, the rail cover outer and 

second seat assembly. (Refer to GROUP 52A, 
Second Seat Assembly Removal and Installation 

P.52A-26

).

FUEL TANK GAUGE UNIT 
REPLACEMENT

M1135001400439

1. Remove the second seat assembly, the rail cover 

outer and the rail cover inner. (Refer to GROUP 
52A, Second Seat Assembly Removal and 
Installation 

P.52A-26

).

AC302870

AC

Mating marks

Suction hose

Fuel tank pump 
and gauge 
assembly

Fuel tank assist pump

AC302871

AC302871

AC

Suction hose

Fuel tank assist pump

Fuel tank pump 
and gauge 
assembly

AC302870

AC

Mating marks

Suction hose

Fuel tank pump 
and gauge 
assembly

Fuel tank assist pump

 

 

 

 

 

 

 

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