Removal Procedure
- Disconnect the negative battery cable.
 
- Relieve the fuel system pressure. Refer to Fuel Pressure Relief Procedure
 
- Drain the fuel tank. Refer to Fuel Tank Draining Procedure
.
 
- Remove the fuel tank and sender assembly.
 
| •  | Refer to Fuel Tank Replacement (Suburban)
 for the Suburban. | 
 
| •  | Refer to Fuel Tank Replacement (Tahoe/Yukon)
 for the Yukon/Tahoe. | 
 
| •  | Refer to Fuel Tank Replacement (Pick-up - Side Tank)
 for the Pick-up. | 
 
| •  | Refer to Fuel Tank Replacement (Extended Cab - Side Tank)
 for the Extended Cab. | 
 
| •  | Refer to Fuel Tank Replacement (Cab and Chassis - Side Tank)
 for the Cab and Chassis with a side tank. | 
 
| •  | Refer to Fuel Tank Replacement (Cab and Chassis - Rear Tank)
 for the Cab and Chassis with a rear tank only. | 
 
Disassemble Procedure
- Note the position of the fuel pump strainer on the fuel pump.
 
- Support the pump with one hand and grasp the strainer with the
other hand.
 
- Rotate the strainer in one direction and pull off the pump. Discard
the strainer after inspection.
 
- Inspect the fuel pump strainer. Replace the strainer if it has
contaminates and clean the fuel tank.
 
- Inspect the fuel pump inlet for dirt and debris. If found, replace
the pump.
 
Assemble Procedure
Notice: Do not fold or twist the strainer when installing the sending unit.
This action restricts fuel flow.
- Push on the outer edge of the ferrule until fully seated.
 
- Support the pump with one hand and position the new pump strainer
on pump in the same position as noted during disassembly.
 
Installation Procedure
- Install a new seal, sending assembly and
lock ring. Make sure the lock ring alignment holes fit over the tabs on the
tank.
 
- Install the cam lock assembly. Turn the cam lock clockwise to
lock it.
 
- Install the fuel tank.
 
| •  | Refer to Fuel Tank Replacement (Suburban)
 for the Suburban. | 
 
| •  | Refer to Fuel Tank Replacement (Tahoe/Yukon)
 for the Yukon/Tahoe. | 
 
| •  | Refer to Fuel Tank Replacement (Pick-up - Side Tank)
 for the Pick-up. | 
 
| •  | Refer to Fuel Tank Replacement (Extended Cab - Side Tank)
 for the Extended Cab. | 
 
| •  | Refer to Fuel Tank Replacement (Cab and Chassis - Side Tank)
 for the Cab and Chassis with a side tank. | 
 
| •  | Refer to Fuel Tank Replacement (Cab and Chassis - Rear Tank)
 for the Cab and Chassis with a rear tank only. | 
 
- Add fuel removed from the tank.
 
- Connect the negative battery cable.
 
- Check for fuel leaks.
 
| 6.1.  | Turn the ignition ON for 2 seconds. | 
 
| 6.2.  | Turn OFF the ignition for 10 seconds. | 
 
| 6.3.  | Again, turn the ignition switch to the ON position. | 
 
| 6.4.  | Check for fuel leaks. |