Acura TSX / Honda Accord CL. Manual - part 494

Fig. 25: Filler Neck Hoses & Clamps 

FUEL LINE/QUICK-CONNECT FITTING PRECAUTION 

The fuel line/quick-connect fittings connect the fuel rail (A) to fuel feed hose (B), fuel feed hose (B) to the fuel 
feed hose (C), the fuel feed hose (C) to the fuel line (D), the fuel line (E) to the fuel tank unit (F) and the fuel 
vapor line (G) to the EVAP canister (H). When removing or installing the fuel feed hose, fuel tank unit, or fuel 
tank, it is necessary to disconnect or connect the quick-connect fittings. 

Pay attention to the following:  

z

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

z

The fuel feed hoses, fuel line, 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.  

z

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

 

2004 Acura TSX 

2004 ENGINES Fuel Supply System - TSX

  

 

Fig. 26: Identifying Fuel Rail, Fuel Feed Hoses & The Fuel Line

 

2004 Acura TSX 

2004 ENGINES Fuel Supply System - TSX

  

 

 

2004 Acura TSX 

2004 ENGINES Fuel Supply System - TSX

  

 

Fig. 27: Identifying Fuel Line, Fuel Tank Unit, Fuel Vapor Line & EVAP Canister 

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:  

z

replacing the fuel rail.  

z

replacing the fuel line.  

z

replacing the fuel pump.  

z

replacing the fuel filter.  

z

replacing the fuel gauge sending unit.  

z

it has been removed from the line.  

z

it is damaged.  

Fig. 28: Quick-Connect Fitting Retainer Identification/Location Table 

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 (see FUEL LINE/QUICK-

CONNECT FITTING PRECAUTION ). 

NOTE:

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

 

2004 Acura TSX 

2004 ENGINES Fuel Supply System - TSX