Acura RL. Manual - part 531

Fig. 52: Identifying Fuel Tank Unit, Fuel Line And Fuel Line/Quick-Connect Fittings 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

A disconnected quick-connect fitting can be reconnected, but the retainer on the mating line cannot be 
reused once it has been removed from the line. Replace the retainer when: 



replacing the fuel rail.  



replacing the fuel line.  



replacing the fuel pump.  



replacing the fuel filter. 

 

2007 Acura RL 

2005-08 ENGINE PERFORMANCE Fuel Supply System - RL

  

me 

 

Friday, June 05, 2009 3:13:31 PM

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© 2005 Mitchell Repair Information Company, LLC. 



replacing the fuel gauge sending unit.  



it has been removed from the line.  



it is damaged.  

RETAINER COLOR REFERENCE CHART 

FUEL LINE/QUICK-CONNECT FITTING REMOVAL 

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

2. Check the fuel quick-connect fittings (A) for dirt, and clean them if needed. 

Location

Manufacturer

Retainer color

Line diameter

A

Tokai

Blue green

0.3 in. (8 mm)

B

Sanoh

White

0.4 in. (9.5 mm)

C

Sanoh

White

0.4 in. (9.5 mm)

D

Tokai

Natural

0.5 in. (11.8 mm)

E

Tokai

Green

0.5 in. (11.8 mm)

F

Tokai

Green

0.2 in. (6.3 mm)

NOTE:

When replacing a retainer, use the same size and manufacturer.

NOTE:

Before you work on the fuel lines and fittings, read the "Fuel Line/Quick-
Connect Fitting Precautions" (see FUEL LINE/QUICK-CONNECT FITTING 
PRECAUTIONS ).

 

2007 Acura RL 

2005-08 ENGINE PERFORMANCE Fuel Supply System - RL

  

me 

 

Friday, June 05, 2009 3:13:31 PM

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© 2005 Mitchell Repair Information Company, LLC. 

Fig. 53: Identifying Fuel Quick-Connect Fittings 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

3. Place a rag or shop towel over the quick-connect fitting. Hold the connector (A) with one hand, and 

squeeze the retainer tabs (B) with the other hand to release them from the locking tabs (C). Pull the 

 

2007 Acura RL 

2005-08 ENGINE PERFORMANCE Fuel Supply System - RL

  

me 

 

Friday, June 05, 2009 3:13:31 PM

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© 2005 Mitchell Repair Information Company, LLC. 

connector off. 

Hold the connector (A) with one hand, and squeeze the retainer tabs (B) with the other hand to release 
them from the locking tabs (C). Pull the connector off. 

4. Check the contact area (A) of the line (B) for dirt or damage. 



If it is dirty, clean it.  



If it is rusty or damaged, replace the fuel pump, fuel filter, or fuel feed line. 

Fig. 55: Identifying Contact Area Of Line 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

5. To prevent damage and keep foreign matter out, cover the disconnected connector and line ends with 

plastic bags (A). 

NOTE:



Be careful not to damage the line (D) or other parts. Do not use 
tools.  



If the connector does not move, keep the retainer tabs pressed 
down, and alternately pull and push the connector until it comes 
off easily.  



Do not remove the retainer from the line; once removed, the 
retainer must be replaced with a new one. 

Fig. 54: Pressing Retainer Tabs 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

NOTE:

The retainer cannot be reused once it has been removed from the line. 
Replace the retainer when: 

 

2007 Acura RL 

2005-08 ENGINE PERFORMANCE Fuel Supply System - RL

  

me 

 

Friday, June 05, 2009 3:13:31 PM

Page 40 

© 2005 Mitchell Repair Information Company, LLC.