Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSACURA2005TSX AUTOMATICREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISFUEL SUPPLY SYSTEMFUEL LINE/QUICK-CONNECT FITTING INSTALLATION

2005 Acura TSX Automatic

Fuel Line/Quick-Connect Fitting Installation

2005 Acura TSX AutomaticSECTION Fuel Line/Quick-Connect Fitting Installation

NOTE: Before you work on the fuel lines and fittings, read the "FUEL LINE/QUICK-CONNECT FITTING PRECAUTIONS " .

Check the contact area (A) of the line (B) for dirt or damage, and clean it if needed.

Fig 1: Identifying Contact Area For Dirt Or Damage
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Insert a new retainer (A) into the connector (B) if the retainer is damaged, or after.
- Replacing the fuel rail.
- Replacing the fuel feed line.
- Replacing the fuel pump.
- Replacing the fuel filter.
- Replacing the fuel gauge sending unit.
- Replacing EVAP purge line.
- Replacing EVAP canister.
- Replacing the fuel tank.
- It has been removed from the line.
- It is damaged.
- Use the same manufacture retainer and the same size retainer when the replacing the retainer (see FUEL LINE/QUICK-CONNECT FITTING REMOVAL ).
  
  Fig 2: Inserting Retainer Into Connector
  Courtesy of AMERICAN HONDA MOTOR CO., INC.
Before connecting a new fuel tube/quick-connect fitting assembly (A), remove the old retainer from the mating line.

Fig 3: Identifying Fuel Tube/Quick-Connect Fitting Assembly
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Align the quick-connect fittings with the line (A), and align the retainer locking tabs (B) with the connector tabs (C). Then press the quick-connect fittings onto the line until both retainer pawls lock with a clicking sound.
NOTE: If it is hard to connect, put a small amount of new engine oil on the line end.

Connection with new retainer

Fig 4: Identifying Retainer Locking Tabs With Connector Grooves (With New Retainer)
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Connection to new fuel line

Fig 5: Identifying Retainer Locking Tabs With Connector Grooves (To New Fuel Line)
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Reconnection to existing retainer

Fig 6: Identifying Retainer Locking Tabs With Connector Grooves (Reconnection To Existing Retainer)
Courtesy of AMERICAN HONDA MOTOR CO., INC.
When you are reconnecting 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 are replacing the fuel line with a new one, make sure you remove the ring pull (C) upwards after you confirm the connection is secure.
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.

Reconnection to existing retainer

Fig 7: Identifying Reconnection To Existing Retainer
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Connection to new fuel line

Fig 8: Identifying Connection To New Fuel Line
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Reconnect the negative cable to the battery, and turn the ignition switch ON (II) (but do not operate the starter motor). The fuel pump will run for about 2 seconds, and fuel pressure will rise. Repeat two or three times, and check that there is no leakage in the fuel supply system.