Hyundai Santa Fe (DM): Fuel Pump. Repair procedures - Fuel Delivery System - Engine Control/Fuel SystemHyundai Santa Fe (DM): Fuel Pump. Repair procedures

Inspection

[Fuel pump motor]
1.
Turn the ignition switch OFF, and then remove battery (-) cable.
2.
Remove the fuel pump assembly.
3.
Check motor operation by fuel pump connector (A) connecting power (No.4) and ground (No.5).

Pin No.
Description
1
Fuel sender signal
2
-
3
Fuel sender ground
4
Fuel pump motor (+)
5
Fuel pump motor ground

[Fuel sender]
1.
Turn the ignition switch OFF, and then remove battery (-) cable.
2.
Remove the fuel pump assembly.
3.
Using an ohmmeter, measure the resistance between terminals 1 and 3 of sender connector (A) at each float level.

Pin No.
Description
1
Fuel sender signal
2
-
3
Fuel sender ground
4
Fuel pump motor (+)
5
Fuel pump motor ground

4.
Also check that the resistance changes smoothly when the float is moved from "E" to "F".
Position
Resistance(Ω)
E
197 ~ 203
Warning lamp
168 ~ 172
 1/2
64.2 ~ 68.2
Sender (F)
6 ~ 10


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) and the fuel tank pressure sensor connector (B).
5.
Disconnect the fuel feed tube quick connector (C) and the vapor tube quick-connector (D).

6.
Remove locking ring (A) by using the special service tool.

7.
Disconnector the vapor tube quck-connector (A) at the fuel pump, and then remove the fuel pump from the fuel tank.
Fuel shouldn’t be come inside the vapor tube quick-connector while disconnecting the vapor tube quick-connector.


Installation

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

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