Acura RL. Manual - part 533

Fig. 62: Identifying Connection To Fuel Line
Courtesy of AMERICAN HONDA MOTOR CO., INC.

5. When you reconnect the connector with the old retainer, make sure the connection is secure and the

tabs (A) are firmly locked into place; check visually and also by pulling the connector (B). When you
replace the fuel line with a new one, make sure you remove the ring pull (C) upwards after you
confirm the connection is secure.

Reconnection to existing retainer

Fig. 63: Identifying Reconnection To Existing Retainer
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Connection to new fuel line

NOTE:

Before you remove the ring pull, make sure the fuel line connection is
secure. If the connection is not secure, the ring pull could break when
you try to remove it.

2007 Acura RL

2005-08 ENGINE PERFORMANCE Fuel Supply System - RL

Friday, June 05, 2009 3:13:31 PM

Page 45

Fig. 64: Identifying Connection To Fuel Line
Courtesy of AMERICAN HONDA MOTOR CO., INC.

6. Reconnect the negative cable to the battery, and turn the ignition switch ON (II). The fuel pump will

run for about 2 seconds, and fuel pressure will rise. Repeat this two or three times, and check that
there is no leakage in the fuel supply system.

FUEL PRESSURE REGULATOR REPLACEMENT

1. Remove the fuel tank unit (see FUEL PUMP/FUEL GAUGE SENDING UNIT

REPLACEMENT ).

2. Remove the fuel pressure regulator (A).

Fig. 65: Identifying Fuel Pressure Regulator
Courtesy of AMERICAN HONDA MOTOR CO., INC.

3. Install the parts in the reverse order of removal with a new O-ring (B).

NOTE:

If the fuel tank is full, drain the fuel (see FUEL TANK DRAINING ).

NOTE:

Coat the O-rings with clean engine oil. Do not use any other type of oil

2007 Acura RL

2005-08 ENGINE PERFORMANCE Fuel Supply System - RL

Friday, June 05, 2009 3:13:31 PM

Page 46

FUEL FILTER REPLACEMENT

The fuel filter should be replaced whenever the fuel pressure drops below the specified value (see FUEL
PRESSURE TEST ), after making sure that the fuel pump and the fuel pressure regulator are OK.

1. Remove the fuel tank unit (see FUEL PUMP/FUEL GAUGE SENDING UNIT

REPLACEMENT ).

2. Remove the fuel filter set (A).

Fig. 66: Identifying Fuel Tank Unit And Fuel Filter Set
Courtesy of AMERICAN HONDA MOTOR CO., INC.

3. Check these items before installing the fuel tank unit:



When connecting the wire harness, make sure the connection is secure and the connectors (B)
are firmly locked into place.



When installing the fuel gauge sending unit (C), make sure the connection is secure and the
connector is firmly locked into place. Be careful not to bend or twist it excessively.

4. Install the parts in the reverse order of removal with a new base gasket (D) and a new O-ring (E).

FUEL PUMP/FUEL GAUGE SENDING UNIT REPLACEMENT

1. Relieve the fuel pressure (see FUEL PRESSURE RELIEVING ).

2. Remove the fuel cap.

3. Remove the rear seat cushion (see REAR SEAT REMOVAL/INSTALLATION ).

4. Remove the access panel (A) from the left side of the floor.

or fluid. Do not pinch the O-rings during installation.

NOTE:

If the fuel tank is full, drain the fuel (see FUEL TANK DRAINING ).

2007 Acura RL

2005-08 ENGINE PERFORMANCE Fuel Supply System - RL

Friday, June 05, 2009 3:13:31 PM

Page 47

Fig. 67: Identifying Access Panel And Fuel Pump 5P Connector
Courtesy of AMERICAN HONDA MOTOR CO., INC.

5. Disconnect the fuel pump 5P connector (B).

6. Disconnect the quick-connect fitting (C) from the fuel tank unit.

7. Remove the fuel tank unit (A), and disconnect the transfer tube (B).

Fig. 68: Identifying Transfer Tube And Fuel Tank Unit With Torque Specifications
Courtesy of AMERICAN HONDA MOTOR CO., INC.

8. Remove the strainer case (A), the fuel gauge sending unit (B), the wire harness (C), and the fuel

pressure regulator (D).

NOTE:

If the fuel tank is full, drain the fuel (see FUEL TANK DRAINING ).

2007 Acura RL

2005-08 ENGINE PERFORMANCE Fuel Supply System - RL

Friday, June 05, 2009 3:13:31 PM

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