Fuel Line Coupler

Special Tools

• J 37088-A - Fuel Line Disconnect Tool Set
• J 44581 - Fuel Line Disconnect Tool

For regional tools refer to Special Tools

Removal Procedure

Warning: Refer to Diesel/Gasoline Vapors Warning.

1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief.
2. Remove the retainer from the quick-connect fitting.
   
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Warning: Wear safety glasses when using compressed air, as flying dirt particles may cause eye injury.

3. Blow dirt out of the fitting using compressed air.
   
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4. Depending on the fuel line size and ability to access the fitting, choose the appropriate tool: J 37088-A - fuel line disconnect tool set or J 44581 - fuel line disconnect tool . Insert the J 37088-A - fuel line disconnect tool set or J 44581 - fuel line disconnect tool into the female connector, then push inward to release the locking tabs.
   
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5. Pull the connection apart.
   
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Caution: If necessary, remove rust or burrs from the fuel pipes with an emery cloth. Use a radial motion with the fuel pipe end in order to prevent damage to the O-ring sealing surface. Use a clean shop towel in order to wipe off the male tube ends. Inspect all the connections for dirt and burrs. Clean or replace the components and assemblies as required.

6. Using a clean shop towel, wipe off the male pipe end.
7. Inspect both ends of the fitting for dirt and burrs.
8. Clean or replace the components as required.

Installation Procedure

Warning: In order to reduce the risk of fire and personal injury, before connecting fuel pipe fittings, always apply a few drops of clean engine oil to the male pipe ends.

This will ensure proper reconnection and prevent a possible fuel leak.

During normal operation, the O-rings located in the female connector will swell and may prevent proper reconnection if not lubricated.

1. Apply a few drops of clean engine oil to the male pipe end.
   
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2. Push both sides of the quick-connect fitting together to cause the retaining tabs to snap into place.
   
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3. Pull on both sides of the quick-connect fitting to make sure the connection is secure.
   
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4. Install the retainer to the quick-connect fitting.
   
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5. Inspect for leaks using the following procedure:
1. Turn the ignition ON, with the engine OFF for 2 seconds.
2. Turn the ignition OFF, for 10 seconds.
3. Turn the ignition ON, with the engine OFF for 2 seconds.
4. Turn the ignition OFF.
5. Inspect for leaks.

Disconnect Procedure

Note: There are several types of Plastic Collar Fuel and Evaporative Emission Quick Connect Fittings used on this vehicle.

• Bartholomew (1)
  
• Q Release (2)
  
• Squeeze to Release (3)
  
• Sliding Retainer (4)
  
• Push Down TI (5)
  

The following instructions apply to all of these types of Plastic Collar Quick Connect Fittings except where indicated.

1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief.
   
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Warning: Refer to Safety Glasses Warning.

Caution: Refer to Fuel and Evaporative Emission Hose/Pipe Connection Cleaning Caution.

2. Using compressed air, blow any dirt or debris from around the connection.
   
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3. This step applies to Bartholomew style connector ONLY. Squeeze the plastic quick connect fitting release tabs.
   
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4. This step applies to Release Tab style connector ONLY. Release the fitting by pushing the tab toward the other side of the slot in the fitting.
   
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5. This step applies to the Squeeze to Release style connector ONLY. Squeeze where indicated by the arrows shown above on both sides of the plastic ring surrounding the quick connect fitting.
   
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6. This step applies to the Sliding Retainer style connector ONLY. Release the fitting by pressing on one side of the release tab causing it to push in slightly. If the tab does not move try pressing the tab in from the opposite side. The tab will only move in one direction.
   
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7. This step applies to the Push Down TI style connector ONLY. Release the fitting by pressing on the tab indicated by the arrow.
   
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Warning: Refer to Relieving Fuel Pressure Warning.

8. Pull the connection apart.
   
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Connect Procedure

Warning: Refer to Fuel Pipe Fitting Warning.

1. Apply a few drops of clean engine oil to the male connection end.
   
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2. Push both sides of the quick-connect fitting together in order to cause the retaining feature to snap into place.
   
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3. Once installed, pull on both sides of the connection in order to make sure the connection is secure.
   
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