Removal Procedure
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- Remove the fuel tank. Refer to Fuel Tank Replacement (AWD) or Fuel Tank Replacement (FWD) .
- Disconnect the fuel tank wiring harness electrical connector (2) from the secondary fuel tank fuel pump module.
- Remove the fuel tank wiring harness from the retaining clip (3).
- Reposition the fuel tank wiring harness (1) out of the way.
- Install the CH-48482
to the fuel tank fuel pump module lock ring.
- Using the CH-48482
and a long breaker bar, rotate the lock ring counterclockwise unlocking the fuel tank fuel pump module lock ring.
- Remove the CH-48482
.
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- Remove the fuel tank module lock ring (1).
- Slowly raise the fuel tank fuel pump module (2) until the fuel level sensor float arm and primary fuel tank fuel pump module suction port are just visible.
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- Squeeze in the primary fuel tank fuel pump module suction port tabs on either side of the port in order to disengage the primary fuel tank fuel pump module suction port from the secondary fuel tank fuel pump module.
Courtesy of GENERAL MOTORS CORP.
- Remove the primary fuel tank fuel pump module suction port (2) from the secondary fuel tank fuel pump module (1).
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- Tilt the module toward the rear of the fuel tank to allow the level sensor float arm to clear the tank opening. Remove the module (1) from the tank.
- Remove and discard the fuel tank module O-ring seal (2).
- If the secondary fuel tank fuel pump module is being replaced, remove the secondary fuel level sensor, if required. Refer to Secondary Fuel Level Sensor Replacement .