Servicing fuel line connectors (Chevrolet Tahoe 2)

Note: A special tool is required to disconnect the fuel line connectors.

Disconnection

Metal connectors

1. Relieve pressure in the fuel system.

2. Remove the outer retainer of the fuel line connector.



3. Use compressed air to remove dirt from the fuel line connection area.

Caution: Wear safety glasses when cleaning the connector with compressed air.

4. Insert the special tool into the connector of the inner half of the connector, then press the outer part of the connector to release the internal connector clips.



5. Pull the fuel lines until they are disconnected.

Note: If necessary, remove rust or burrs from the connector with emery cloth. Remove defects only with radial movements to avoid damaging the sealing surface of the rubber ring.

Plastic connectors

Please note: There may be several types of plastic fuel line connectors used on vehicles.

1. Relieve pressure in the fuel system.

2. Use compressed air to remove dirt from the fuel line connection area.

Caution: Wear safety glasses when cleaning the connector with compressed air.

3. Disconnect the connector.

• a) Type 1 - squeeze the clamps.

• b) Type 2 - press the tab towards the slot of the connector.

• c) Type 3 - press on the places indicated by arrows on both sides of the plastic ring of the connector.

• d) Type 4 - Press on one side of the release key. If the key does not move, press on the key from the opposite side (the key moves in one direction only).

• d) type 5 - press on the key indicated by the arrow.

4. Pull the fuel lines until they are disconnected.

Connection

All connectors

Caution: To reduce the risk of fire, always lubricate the connector parts with a few drops of clean engine oil before connecting the fuel lines. This will ensure a tight seal.

1. Apply a few drops of clean motor oil to the inside of the fuel line connector.

2. Compress the outer and inner parts of the fuel lines until the clamps snap into place.



3. Pull the fuel lines in both directions from the connector to check for a secure connection.





4. Install the external fuel line retainer.