IMPORTANT: Clean the fuel and evaporative emission (EVAP) connections and surrounding areas prior to disconnecting the lines in order to avoid possible system contamination.

Fig 1: View Of Fuel Feed & EVAP Lines At Fuel Tank

Courtesy of GENERAL MOTORS CORP.

Relieve the fuel system pressure. Refer to Fuel Pressure Relief Procedure .
Drain the fuel tank. Refer to Fuel Tank Draining Procedure (Single Tank) or Fuel Tank Draining Procedure (Dual Tanks - Front) or Fuel Tank Draining Procedure (Dual Tanks - Rear) or Fuel Tank Draining Procedure (5.3L (L59) Engine) .
Disconnect the vent hose quick connect fitting from the fuel tank. Refer to Quick Connect Fitting(s) Service (Plastic Collar)
Disconnect the fuel feed and EVAP lines from the fuel tank lines. Refer to Quick Connect Fitting(s) Service (Plastic Collar) .
Cap the fuel and EVAP lines in order to prevent possible fuel and/or EVAP system contamination.

Fig 2: View Of EVAP Lines At EVAP Canister

Courtesy of GENERAL MOTORS CORP.

Disconnect the EVAP lines from the EVAP canister. Refer to Quick Connect Fitting(s) Service (Plastic Collar) .

Fig 3: View Of Fuel Tank & Straps (Single Tank)

Courtesy of GENERAL MOTORS CORP.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.

• Brakes feel soft, pull hard to one side, or make grinding noises.

• The engine overheats, stalls repeatedly, or misfires under load.

• You are missing required tools, torque specs, or safe lifting equipment.

• You are not confident in the next step or safety outcome.

Safety Warning

Removal Procedure

Use the Manual With the Right Hardware

When to See a Mechanic

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