VELOSTER(FS) >2013 > G 1.6 T-GDI > Fuel System > Fuel Delivery System > Fuel Pump>Repair procedures  
Removal
1.
Release the residual pressure in fuel line.
(Refer to Fuel Delivery System - “Release Residual Pressure in Fuel Line”)
2.
Remove the rear seat.
(Refer to Body - "Rear Seat Assembly")
3.
Remove the fuel pump service cover (A).

4.
Disconnect the fuel pump connector (A).
5.
Disconnect the fuel feed tube quick connector (B) and the vapor tube quick-connector (D).
6.
Disconnect the fuel pressure sensor connector (C).
7.
Remove the plate cover (E) after removing the bolts.

8.
Remove the fuel pump from the fuel tank.

Installation
1.
Installation is reverse of removal.
Be careful of fuel pump direction when installing (Refer to the groove in the fuel tank).

Fuel pump plate cover installation bolt :
2.0 ~ 2.9 N.m (0.2 ~ 0.3 kgf.m, 1.4 ~ 2.2 lb-ft)

Inspection
[Fuel pump]
1.
Turn ignition switch OFF and disconnect the negative (-)battery cable.
2.
Remove the fuel pump assembly.
3.
Check motor operation by fuel pump connector (A) connecting power(No.2) and ground(No.4)

Pin No.
discription
1
Fuel sender signal
2
Fuel pump (+)
3
Fuel sender ground
4
Fuel pump (-)

[Fuel sender]
1.
Using an ohmmeter, measure the resistance between terminals 1 and 3 of sender connector (A) at each float level.

Pin No.
discription
1
Fuel sender signal
2
Fuel pump (+)
3
Fuel sender ground
4
Fuel pump (-)

2.
Also check that the resistance changes smoothly when the float is moved from "E" to "F".
Position
Resistance (Ω)
Capacity (ℓ)
E
197 ~ 203
3.0
 1/2
64.2 ~ 68.2
24.6
F
6 ~ 8
49