Acura RL. Manual - part 530

Fig. 48: Connecting Vacuum Pump/Gauge To Transfer Tube 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

9. Apply vacuum to the transfer tube. 



If the vacuum holds, replace the fuel tank (see FUEL TANK REPLACEMENT ).  



If the vacuum does not hold, the transfer fuel pump and the transfer tube are OK.  

FUEL TANK DRAINING 

1. Remove the secondary fuel gauge sending unit (see SECONDARY FUEL GAUGE SENDING 

UNIT REPLACEMENT ).  

2. Using a hand pump, a hose, and a container suitable for fuel, draw the fuel from the secondary fuel 

gauge sending unit side of the tank.  

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

REPLACEMENT ).  

4. Using a hand pump, a hose, and a container suitable for fuel, draw the fuel from the fuel tank unit side 

of the tank.  

FUEL LINE INSPECTION 

Check the fuel system lines, hoses, and fuel filter for damage, leaks, or deterioration. Replace any damaged 
parts. 

 

2007 Acura RL 

2005-08 ENGINE PERFORMANCE Fuel Supply System - RL

  

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Fig. 49: Identifying Fuel Lines 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

Check all clamps, and reposition any if necessary.

 

2007 Acura RL 

2005-08 ENGINE PERFORMANCE Fuel Supply System - RL

  

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© 2005 Mitchell Repair Information Company, LLC. 

Fig. 50: Identifying Fuel Line Clamps 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

FUEL LINE/QUICK-CONNECT FITTING PRECAUTIONS 

The fuel line/quick-connect fittings (A), (B), (C), (D), (E), and (F) connect the fuel rail (G) to the fuel feed 
hose (H), the fuel feed hose to the fuel feed hose (I), the fuel feed hose to the fuel line (J), and the fuel line 
(K) to the fuel tank unit (L), the fuel vapor line (M) to the EVAP canister (N), the fuel tank (0) to the fuel 
tank vapor recirculation tube (P), the fuel tank vapor recirculation tube to the fuel fill pipe (Q), and the fuel 
tank to the fuel tank vapor control line (R). When removing or installing the fuel feed hose, the fuel tank 

 

2007 Acura RL 

2005-08 ENGINE PERFORMANCE Fuel Supply System - RL

  

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© 2005 Mitchell Repair Information Company, LLC. 

unit, or the fuel tank, it is necessary to disconnect or connect the quick-connect fittings. 

Pay attention to the following: 



The fuel feed hoses, fuel lines, and quick-connect fittings are not heat-resistant; be careful not to 
damage them during welding or other heat-generating procedures.  



The fuel feed hoses, fuel lines, and quick-connect fittings are not acid-proof; do not touch them with a 
shop towel that was used for wiping battery electrolyte. Replace them if they came into contact with 
electrolyte or something similar.  



When connecting or disconnecting the fuel feed hoses, fuel lines, and quick-connect fittings, be 
careful not to bend or twist them excessively. Replace them if they are damaged. 

Fig. 51: Identifying Fuel Line/Quick-Connect Fittings 
Courtesy of AMERICAN HONDA MOTOR CO., INC.

 

2007 Acura RL 

2005-08 ENGINE PERFORMANCE Fuel Supply System - RL

  

me 

 

Friday, June 05, 2009 3:13:31 PM

Page 36 

© 2005 Mitchell Repair Information Company, LLC.