Tools Required

Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

1. Disconnect the negative battery cable.
2. Relieve the fuel system pressure. Refer to the Fuel Pressure Relief Procedure .
3. Drain the fuel tank. Refer to Fuel Tank Draining Procedure .

•	Remove the fuel tank. Refer to Fuel Tank Replacement (Tahoe/Yukon) for the Tahoe/Yukon.

•	Fuel Tank Replacement (Suburban)for the Suburban.

•	Fuel Tank Replacement (Extended Cab - Side Tank) for the extended cab (side tank)

•	Fuel Tank Replacement (Pick-up - Side Tank) for the pick-up side tank

•	Fuel Tank Replacement (Cab and Chassis - Side Tank) for the cab and chassis- side tank

•	Fuel Tank Replacement (Cab and Chassis - Rear Tank) for the cab and chassis - rear tank.

•	Fuel Tank Replacement for the 4DR Utility.

4. Remove the fuel sender assembly. Refer to Fuel Sender Assembly Replacement .



5. Disconnect the fuel pump electrical connector (5).
6. Remove the fuel level sensor electrical connector retaining clip (6).
7. Disconnect the fuel level sensor electrical connector (7) from under the fuel sender cover.
8. Remove the fuel level sensor retaining clip (4).
9. Squeeze the locking tangs and remove the fuel level sensor (3).

1. Install the fuel level sensor (3).
2. Install the fuel level sensor retaining clip (4).
3. Connect the fuel level sensor electrical connector (7).
4. Connect the fuel level sensor electrical connector retaining clip (6).
5. Connect the fuel pump electrical connector (5).
6. Install the fuel sender assembly. Refer to Fuel Sender Assembly Replacement .

•	Install the fuel tank. Refer to Fuel Tank Replacement (Tahoe/Yukon) for the Tahoe/Yukon.

•	Fuel Tank Replacement (Suburban)for the Suburban.

•	Fuel Tank Replacement (Extended Cab - Side Tank) for the extended cab (side tank)

•	Fuel Tank Replacement (Pick-up - Side Tank) for the pick-up side tank

•	Fuel Tank Replacement (Cab and Chassis - Side Tank) for the cab and chassis- side tank

•	Fuel Tank Replacement (Cab and Chassis - Rear Tank) for the cab and chassis - rear tank.

•	Fuel Tank Replacement for the 4DR Utility.

7. Refill the fuel tank.
8. Install the fuel filler cap.
9. Connect the negative battery cable.
10. Inspect for leaks.

10.1.

Turn the ignition switch ON for 2 seconds.

10.2.

Turn the ignition switch OFF for 10 seconds.

10.3.

Turn the ignition switch ON.

10.4.

Check for fuel leaks.