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. |