Replacing The Fuel Pump In Your 2010 Lucerne

The fuel pump in a 2010 Buick Lucerne is located inside the fuel tank and can be replaced by disconnecting the battery, removing the access cover, and installing a new pump. The average cost for this replacement is between $1,468 and $1,673, with labour costs estimated between $97 and $122, and parts priced between $1,371 and $1,551. The fuel pump is responsible for delivering gas from the fuel tank to the fuel injectors, and a failing pump will cause a loss of engine power or prevent the car from starting.

Disconnect the battery

Disconnecting the battery is the first step when replacing a fuel pump on a 2010 Buick Lucerne. This is a crucial step as it reduces the chance of a fire occurring during the replacement process.

To begin, locate the battery in the engine bay of your Buick Lucerne. It is usually located in one of the corners, either on the left or right-hand side, and is held in place by a metal clamp and a bracket. Once you have located the battery, follow these steps:

• Identify the negative terminal of the battery. This will be clearly marked with a "-" symbol, and it should be connected to the body of the car via a black cable.
• Using a suitable wrench or socket, loosen the nut that secures the negative battery cable to the terminal. You do not need to remove the nut entirely, just loosen it enough so that you can disconnect the cable.
• Once the nut is loosened, carefully pull the cable away from the battery terminal. Ensure that the cable does not touch any metal parts of the car, as this could cause a short circuit.
• Secure the cable away from the battery and any metal components. You can use a cable tie or a piece of tape to hold it in place.

At this point, the battery should be disconnected, and you can proceed with the next steps of the fuel pump replacement process. It is important to note that you should not reconnect the battery until the fuel pump replacement is complete, and you have verified that there are no fuel leaks.

Remove the fuel tank access cover

To remove the fuel tank access cover, you will need to take the following steps:

Firstly, locate the access cover. This will be found inside the fuel tank. Next, you will need to disconnect the battery. This is an important step to reduce the chance of a fire. Once the battery is disconnected, you can then remove the access cover. With the cover off, you will be able to access the fuel pump and pre-pump filter screen. In some cases, you may need to drain the fuel before removing the access panel.

It is important to note that working with the fuel system can be dangerous, so it is recommended that you let a repair shop handle this job unless you are very experienced in auto repair. Always take the necessary precautions to avoid starting a fire.

Replace the pump and pre-pump filter screen

Step 1: Disconnect the battery

Before you begin, disconnect the battery to reduce the chance of a fire. This is an important safety precaution when working with the fuel system.

Step 2: Remove the access cover

If the pump is inside the fuel tank, you will need to remove the access cover to access the pump and filter screen. In some cases, you may need to drain the fuel before removing the access panel.

Step 3: Replace the pump and filter screen

With the cover off, replace the pump and pre-pump filter screen. Make sure you are using a suitable replacement part for a 2010 Buick Lucerne.

Step 4: Reconnect the fuel lines (if applicable)

If the pump is outside the fuel tank, you will need to disconnect the fuel lines before removing the old pump. After installing the new pump, reconnect the fuel lines.

Step 5: Check for fuel leaks

Once the new pump is installed, check for any fuel leaks to ensure the problem is solved. This is an important step to ensure the safety of your vehicle.

Check for fuel leaks

When replacing the fuel pump on a 2010 Buick Lucerne, there are several precautions you should take to check for fuel leaks. Firstly, always disconnect the battery to reduce the chance of a fire. If the pump is inside the fuel tank, you will need to remove the access cover to replace the pump and pre-pump filter screen. In some cases, you may need to drain the fuel before removing the access panel.

Once the pump is replaced, check for any fuel leaks and ensure that the problem is solved. Working with the fuel system is dangerous, so always take precautions to prevent fires. Be on the lookout for fuel leaks or odors after the repair. If you see or smell gasoline, do not start or drive the car, and do not park inside a structure. Instead, have the car towed to a shop for inspection and repair.

Replace the fuel filter

To replace the fuel filter on a 2010 Buick Lucerne, you'll first need to locate the fuel filter. In most vehicles, the fuel filter is located inside the top of the fuel tank, where it connects with the fuel line. However, in some cars, it might be elsewhere along the fuel line.

The fuel filter in the 2010 Buick Lucerne is part of the fuel pump module inside the fuel tank and is not serviceable. If you are experiencing fuel pressure problems, you will need to replace the entire fuel pump module. This can be an expensive repair, costing upwards of $500.

If you decide to replace the fuel pump module, the first step is to disconnect the battery to reduce the chance of a fire. For pumps inside the fuel tank, there will usually be an access cover that needs to be removed. With the cover off, you can replace the pump and pre-pump filter screen. In some cases, you will need to drain the fuel before removing the access panel.

It is recommended that you replace the fuel filters at the same time as the fuel pump. This is also the case for the intake screen for in-tank fuel pumps.

• Problems with starting your car, or it takes multiple attempts
• Stalling, especially while idling at a stop sign or red light
• Excessive vibration while driving
• Rough slow-speed cruising, while highway cruising might be fine

Frequently asked questions