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How do you replace a gas tank on 91 park ave and new fuel pump?

Replacing the gas tank and fuel pump in a 1991 Buick Park Avenue requires precise steps to ensure safety and proper functioning. Below is a general overview of the process. Keep in mind that working with fuel systems can be hazardous, so take necessary precautions.

Replacing Gas Tank:

1. Safety First:

- Ensure the vehicle is in a well-ventilated area and the parking brake is engaged.

- Disconnect the negative terminal on your vehicle’s battery to avoid any electrical accidents.

2. Locate and Empty Gas Tank:

- The gas tank is usually located under the rear of the vehicle.

- If possible, siphon as much fuel from the gas tank as you can to reduce its weight.

3. Remove Gas Tank:

- Remove the bolts and brackets securing the fuel tank.

- Carefully lower the gas tank with the help of a friend.

- Be cautious when handling the fuel tank, as any residual fuel can be flammable.

Replacing Fuel Pump:

1. Access Fuel Pump:

- Remove the bolts securing the fuel pump assembly to the gas tank.

- Be mindful of any fuel lines or electrical connections attached to the pump.

- If needed, you might need to disconnect other components to access the fuel pump.

2. Remove Old Fuel Pump:

- Detach the fuel lines from the pump and remove the electrical connector.

- Ensure you keep track of where each hose and wire connects to avoid confusion during installation.

- Remove the bolts holding the fuel pump to the tank and lift the pump out.

3. Prepare New Fuel Pump:

- Compare the new fuel pump to the old one to make sure they are identical.

- Attach any necessary gaskets, seals, or filters that came with the new fuel pump.

4. Install New Fuel Pump:

- Insert the new fuel pump into its place in the tank.

- Secure the pump with the bolts you removed earlier.

- Re-attach the fuel lines and the electrical connector.

5. Replace Gas Tank:

- Carefully lift the gas tank back under the car and secure it with the bolts and brackets you removed earlier.

6. Finishing Touches:

- Refill the gas tank with fuel.

- Reconnect the negative terminal of the battery.

- Start the vehicle to check for any leaks or improper functionality.

- Drive the car for a short distance and monitor for any unusual behavior or warning lights.

*Remember, if you are not comfortable performing these tasks or lack proper tools and knowledge, it's best to entrust the job to a qualified mechanic.*