Katerina Swanson
If you're looking to replace the fuel pump on a 1993 Chevy Cavalier, you'll be glad to know it's a job that can be done by a couple of people. The average cost for a Chevrolet Cavalier Fuel Pump Replacement is between $843 and $1,160, but you may be able to do it yourself. You'll need to remove the bolts holding the box in place, disconnect the tail lights and fuel filler neck, and push the box through before taking out the bolt holding the wire/ground. Make sure no dirt gets into the tank and disconnect the fuel pump. Install the new pump and hook everything back up. It's also a good idea to get a new plug and wires, as the plugs at the fuel pump are known to burn up easily.
| Characteristics | Values |
|---|---|
| Location of fuel pump | Inside or outside the fuel tank |
| How to remove the fuel pump | Disconnect the battery, remove the access cover, disconnect the fuel lines, pull the fuel pump up and let it drain into the tank before removing it |
| How to install the new fuel pump | Bolt the new pump into place onto the gas tank, reconnect the fuel lines and the wiring harness |
| Additional steps | Make sure no debris gets into the tank, check for fuel leaks once the pump is replaced |
| Additional information | Make sure the pump comes with a new plug and wires, as the plugs are known to burn up easily |
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What You'll Learn
Removing the bolts holding the box in place
To remove the bolts holding the box in place, you will need to take out the tail lights and disconnect them. Pull the wires out and then take out the three bolts that hold the fuel filler neck in. Push it through and take out the bolt that's holding the wire/ground on as well. You will then be ready to take off the box. This is a job that two to four people can do pretty easily. Once the box is off, wash the top of the tank so you can see it better as there will be gravel and dust up there.
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Disconnecting the tail lights and pulling the wires out
To disconnect the tail lights and pull the wires out, you will need to take out the three bolts that hold the fuel filler neck in and push it through. Then, take out the bolt that is holding the wire/ground on. Once you have done this, you are ready to take off the box. It is recommended to have 2-4 people to do this. Before you take off the box, wash the top of the tank so you can see it better as there will be gravel and dust. It is also recommended to make sure that the new pump comes with a new plug and wires as the plugs at the fuel pump burn up pretty easily.
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Removing the bolts holding the fuel filler neck in place
To remove the bolts holding the fuel filler neck in place, you will need to take out the three bolts that hold the fuel filler neck in and push it through. You will also need to take out the bolt that's holding the wire/ground on. Once you have done this, you are ready to take off the box.
Before you begin, it is recommended that you take out the tail lights and disconnect them, pulling the wires out. It is also recommended that you throw some heat at the bolts, as they are likely to be tight or rusted.
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Disconnecting the fuel pump
First, you will need to remove the bolts holding the box in place. These may be tight or rusted, so you may need to apply some heat to loosen them. Next, take out the tail lights and disconnect the wires. Remove the three bolts holding the fuel filler neck in place and push it through. Then, take out the bolt holding the wire/ground in place.
Now, you are ready to take off the box. It is important to note that two to four people can do this pretty easily. Once the box is off, wash the top of the tank to get rid of any gravel and dust.
At this point, you can disconnect the fuel pump. Make sure no dirt or chunks get into the tank. You may need to rotate the line slightly to disconnect it, as it may be crusty from years of use. You shouldn't need a tool for this step, but you can spray some plastic-safe lube to help loosen it if needed.
Finally, install the new pump and hook everything back up. Remember to check the rear brake lines and look for other issues while the box is off.
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Installing the new pump and reconnecting everything
To install the new fuel pump, make sure it comes with a new plug and wires, as the plugs at the fuel pump are known to burn up easily. When you are ready to install the new pump, make sure no dirt or chunks get into the tank. Install the new pump and hook everything back up.
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Frequently asked questions
There are eight bolts holding the box on, so you will need to remove these. You will also need to take out the tail lights and disconnect them, pulling the wires out. Then, take out the three bolts that hold the fuel filler neck in and push it through, taking out the bolt that's holding the wire/ground on. Once you've done this, you can take off the box, and disconnect and remove the fuel pump. Make sure no dirt or chunks get into the tank. Install the new pump and hook everything back up.
It's a good idea to make sure the pump comes with a new plug and wires, as the plugs at the fuel pump are known to burn up easily.
Two to four people can do it pretty easily.
Throw some heat at the bolts to loosen them, then take out the tail lights and disconnect them, pulling the wires out.
