Replacing The Fuel Pump In Your 1986 Honda Accord

how to change fuel pump 1986 honda accord

If your 1986 Honda Accord is not starting, you may need to replace the fuel pump. This is a common issue, especially in older vehicles with high mileage. In this article, we will outline the steps to replace the fuel pump in your 1986 Honda Accord, including how to drain the gas tank, disconnect the fuel lines, and install the new pump. We will also recommend some replacement parts and tools that you can purchase online or at your local auto parts store.

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Diagnosing a faulty fuel pump

Other symptoms of a bad fuel system include a flashing check engine light, poor fuel economy, engine surges and hesitations, and issues with the idle speed. If you suspect that your fuel pump is faulty, you can also check for trouble codes in your car to diagnose a faulty fuel system.

If you have a 1995 Honda Accord LX, you can try loosening the fuel pressure relief nut on the fuel rail and turning the ignition key to the furthest position before cranking. If you don't see a stream of fuel under pressure, this could indicate that fuel is not getting to the motor due to a bad pump, a clogged fuel line, or a clogged fuel filter.

If you have a fourth or fifth-generation Honda Accord, you will need to drain the gas, drop the tank, and disconnect all the fuel lines to access the pump.

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Draining the gas tank

To drain the gas tank of your 1986 Honda Accord, you will need to siphon the gas out of the tank. Here is a step-by-step guide:

Step 1: Take a tube and insert it into the gas tank through the gas cap.

Step 2: Create a vacuum by blowing into the tube and pour the gasoline into a safe container. Drain as much gas as possible from the tank. If you have access to one, use a vacuum pump to avoid accidentally sipping gasoline.

Step 3: Raise and secure the car. Use a jack to lift the car at one of its safety points and position jack stands under the car to secure it in the air.

Step 4: Disconnect the fuel-sending unit. This can be found underneath the access hatch inside the trunk. Open the hatch and disconnect the unit.

Step 5: Disconnect the fuel lines. There are four fuel lines located behind the left rear wheel that need to be disconnected. Remove the rear left wheel and then begin disconnecting the fuel lines. There are two hard lines, a high-pressure line, a brass line connected to the tank, and a large line for fuel input.

Step 6: Remove the tank straps. These are held in place with 14mm bolts. Place a hydraulic jack with a long piece of wood under the tank, loosen the straps, and remove them. Once the straps are off, slowly lower the tank to relieve the pressure from the jack.

By following these steps, you will be able to successfully drain the gas tank of your 1986 Honda Accord and access the fuel pump for replacement or maintenance.

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Raising and securing the car

To raise and secure your 1986 Honda Accord, you will need a jack and jack stands. Place the jack under one of the car's safety points and raise it until you have enough space to work underneath. Once the car is at the desired height, carefully position the jack stands under the car to securely support the vehicle. Make sure the jack stands are placed on a level surface and are fully engaged before proceeding with any work.

It is important to follow proper safety procedures when working on your car. Ensure that the car is securely supported and will not shift or lower unexpectedly. Always use jack stands when working under a raised vehicle, never rely on the jack alone. When positioning the jack stands, refer to your car's manual for the recommended jacking points and always use a jack and jack stands that are rated for your vehicle's weight.

With the car securely raised and supported, you can now safely work underneath to replace the fuel pump. Remember to have your work area well-lit and ventilated, and keep a fire extinguisher nearby as a safety precaution when working with fuel systems.

Once you have completed the fuel pump replacement, you can then carefully lower the vehicle by reversing the raising procedure. Place the jack under the car and raise it slightly to take the weight off the jack stands. Remove the jack stands and then slowly lower the vehicle back to the ground. Ensure that the car is securely lowered and the jack is removed before moving on to the next steps of the fuel pump replacement process.

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Disconnecting the fuel-sending unit

To disconnect the fuel-sending unit of a 1986 Honda Accord, you'll need to locate the access hatch inside the trunk. This is usually found underneath the access hatch and can be opened to reveal the fuel-sending unit. Once located, simply disconnect the unit.

The fuel-sending unit is an essential component of your Honda Accord's fuel system. It is responsible for monitoring the amount of fuel in the tank and relaying this information to the fuel gauge. Over time, the fuel-sending unit may wear out or malfunction, leading to inaccurate fuel gauge readings. Replacing it can be a straightforward task if you follow the right steps.

Before beginning any work on your vehicle, it is important to ensure your safety. Make sure the car is parked on a level surface and engage the parking brake to prevent accidental movement. It is also recommended to wear protective gear, such as gloves and eye protection, when working on any automotive repairs.

To access the fuel-sending unit, you will need to open the trunk of your Honda Accord. The access hatch should be located inside the trunk compartment. It may be helpful to refer to your owner's manual or a repair guide specific to your vehicle model for the exact location of the access hatch. Once you have located the access hatch, proceed to open it.

The fuel-sending unit will be connected to the fuel system and possibly other components. To disconnect it, you will need to carefully detach any wires, hoses, or other connections. It is important to make note of how everything is connected to ensure proper reassembly. Gently pull or pry the connections apart, being careful not to damage any surrounding components.

In some cases, the fuel-sending unit may be secured with screws, bolts, or other fasteners. Be sure to have the appropriate tools on hand to remove these fasteners. Once all the connections have been detached, set the fuel-sending unit aside in a safe place.

With the fuel-sending unit disconnected, you can now access the fuel pump for replacement or perform other necessary repairs. Remember to refer to a repair manual or seek guidance from a qualified mechanic if you are unsure about any part of the process.

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Disconnecting the fuel lines

To disconnect the fuel lines of your 1986 Honda Accord, follow these steps:

First, remove the rear left wheel. Once the wheel is off, you can begin to disconnect the fuel lines. There are four fuel lines that need to be disconnected: two hard lines, a high-pressure line, and a brass line that connects directly to the tank.

Start by disconnecting the two hard lines. Be sure to have a container ready to catch any fuel that may spill during this process. Use a suitable tool to loosen the fittings and carefully pull the lines apart.

Next, move on to the high-pressure line. This line is under pressure, so it is important to be extra cautious when disconnecting it. Again, loosen the fittings and carefully separate the line.

Finally, disconnect the brass line that connects to the tank. This line may be more difficult to access, so you may need to use a mirror or a borescope to get a better view. Once all four lines are disconnected, you can proceed to the next step of removing the tank straps.

It is important to work carefully and methodically when dealing with fuel lines, as any mistakes can be dangerous and costly. Make sure to have the necessary tools and safety equipment before beginning any work on your vehicle.

Frequently asked questions

If your car doesn't start when you turn the key in the ignition, leave the key in that position and listen near the fuel tank. If the fuel pump is broken, you might hear a whining noise, or you might not hear anything.

Yes. You can do this by siphoning the gas out of the tank through a tube inserted through the gas cap.

You will need a jack, jack stands, and a hydraulic jack with a long piece of wood to help you raise and secure the car. You will also need a 10mm socket to remove the nuts securing the fuel pump to the tank.

First, siphon the gas out of the tank. Then, raise and secure the car using a jack and jack stands. Next, disconnect the fuel-sending unit and the four fuel lines. Remove the tank straps and slowly lower the tank. Once the tank is lowered, you can remove the old fuel pump and install the new one. Finally, raise the tank and reconnect the fuel lines before lowering the vehicle.

Compatible fuel pumps include the TRQ, GMB, USMW Professional Series, Delphi, Carter, and Replace electric fuel pumps.

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