Disassemble Procedure

Remove the fuel tank heat shield. Refer to Fuel Tank Heat Shield Replacement .
Remove the fuel tank fuel pump module. Refer to Fuel Tank Fuel Pump Module Replacement .
Remove the fuel tank baffles. Refer to Fuel Tank Baffle Replacement .

Fig 1: Fuel Tank Vent Pipe And Evaporative Emission Canister

Courtesy of GENERAL MOTORS COMPANY

WARNING:

Always wear safety goggles when working with fuel in order to protect the eyes from fuel splash.

Disconnect the fuel tank vent pipe (2).
Close the fuel tank vent pipe with the CH-807 plug.
Disconnect the evaporative emission canister purge pipe (4).
Remove the evaporative emission canister (1) from the evaporative emission canister bracket (3).