Ameer Randolph
Replacing the fuel pump on a 1983 Firebird is a complex task that requires careful attention to safety and procedure. The fuel pump is directly connected to the fuel tank, so the tank must be disconnected and removed from the car to access the pump. Before beginning any work on the fuel system, it is essential to relieve pressure and drain the fuel from the tank. This article will guide you through the steps to safely replace the fuel pump, including the tools and parts required, and offer troubleshooting tips for common issues.
| Characteristics | Values |
|---|---|
| First steps | Start the engine and let it run until it stops. Disconnect the negative battery cable. Raise the car on jack stands and drain the fuel from the tank. Remove the tank's drain plug or the line running to the fuel filter. |
| Prepare | Make sure you know how much fuel is in the tank and have an approved container to pour it into. Before working on any part of the fuel system, you need to remove all pressure in the system. You also must drain the gas from the tank to perform this maintenance, so it helps to have the Firebird already low on fuel. |
| Fuel system | Open the gas cap, go to the fuse box within the engine and remove the fuse for the fuel system. |
| Fuel pump | Install the new fuel pump onto the fuel sender and attach the sender back to the tank. Use a new strainer with the new pump and new O-rings on the tank's opening groove and the sender feed tube. Fold the strainer over itself and place the sender in the tank carefully so the strainer isn't damaged or trapped by the sump walls. |
| Reconnecting | Reconnect the fuel tank, torquing its bolts to 33 foot pounds. Refill the tank, close the fuel cap and reconnect the fuel system's fuse and the battery cable. |
| Final steps | Turn the ignition switch on (without starting the Firebird) for two seconds, switch it back off for 10 seconds and switch it back on. |
| Additional tips | Make sure you get an O.E ac delco or delphi brand fuel pump and change your fuel filter if you haven't done so already. Also, change your rear diff fluid to or top it off since you will be back under there anyway. Reinstall the heat shields and exhaust system. |
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What You'll Learn
Disconnecting the battery cable and draining the fuel tank
To replace the fuel pump on a 1983 Firebird, you must disconnect and remove the fuel tank from the car. Before working on any part of the fuel system, you need to remove all pressure in the system. You also must drain the gas from the tank to perform this maintenance, so it helps to have the Firebird already low on fuel.
To disconnect the battery cable and drain the fuel tank, follow these steps:
Start by opening the gas cap to relieve the pressure in the fuel system. Then, go to the fuse box within the engine and remove the fuse for the fuel system. Next, disconnect the negative battery cable. Raise the car on jack stands and drain the fuel from the tank. Make sure you know how much fuel is in the tank and have an approved container to pour it into. Remove the tank's drain plug or the line running to the fuel filter.
It is important to note that working on a fuel system can be dangerous, so it is recommended to have a professional mechanic perform this task if you are unsure about any part of the process.
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Removing the fuel tank and relieving pressure in the fuel system
To remove the fuel tank and relieve pressure in the fuel system of a 1983 Firebird, follow these steps:
Start by opening the gas cap. Then, go to the fuse box within the engine and remove the fuse for the fuel system. This will relieve the pressure. Next, disconnect the negative battery cable. Raise the car on jack stands and drain the fuel from the tank. You can do this by removing the tank's drain plug or the line running to the fuel filter. Make sure you know how much fuel is in the tank and have an approved container to pour it into. It is helpful to have the Firebird already low on fuel before beginning this process.
Once the fuel tank is drained, you can remove the tank from the car. Be sure to have an assistant to help with this process, as it can be challenging to do alone. With the tank removed, you can now access the fuel pump for replacement. Remember to change your fuel filter and rear diff fluid while you are there, as it is easier to do it now rather than later.
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Installing a new fuel pump and strainer
To install a new fuel pump and strainer on a 1983 Firebird, you must first disconnect and remove the fuel tank from the car. Before working on any part of the fuel system, relieve the pressure in the system by opening the gas cap and removing the fuse for the fuel system from the fuse box within the engine. You should also drain the gas from the tank, so it helps to have the Firebird already low on fuel. Start the engine and let it run until it stops, then disconnect the negative battery cable. Raise the car on jack stands and drain the fuel from the tank. Remove the tank's drain plug or the line running to the fuel filter.
Next, install the new fuel pump onto the fuel sender and attach the sender back to the tank. Use a new strainer with the new pump and new O-rings on the tank's opening groove and the sender feed tube. Fold the strainer over itself and place the sender in the tank carefully so the strainer isn't damaged or trapped by the sump walls. Reconnect the fuel tank, torquing its bolts to 33 foot pounds. Refill the tank, close the fuel cap and reconnect the fuel system's fuse and the battery cable.
Turn the ignition switch on (without starting the Firebird) for two seconds, switch it back off for 10 seconds, and then switch it back on. You should also change your fuel filter, rear diff fluid, and reinstall the heat shields and exhaust system.
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Reattaching the fuel tank and reconnecting the fuel system
To reattach the fuel tank and reconnect the fuel system, you must first install the new fuel pump onto the fuel sender and attach the sender back to the tank. Use a new strainer with the new pump and new O-rings on the tank's opening groove and the sender feed tube. Fold the strainer over itself and place the sender in the tank carefully so the strainer isn't damaged or trapped by the sump walls. Reconnect the fuel tank, torquing its bolts to 33 foot pounds. Refill the tank, close the fuel cap and reconnect the fuel system's fuse and the battery cable. Turn the ignition switch on (without starting the Firebird) for two seconds, switch it back off for 10 seconds and switch it back on.
Before working on any part of the fuel system, you need to remove all pressure in the system. You also must drain the gas from the tank to perform this maintenance, so it helps to have the Firebird already low on fuel. Relieve the pressure in the fuel system. Open the gas cap, go to the fuse box within the engine and remove the fuse for the fuel system.
It is also recommended to change your fuel filter and rear diff fluid while you are working on the fuel pump.
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Testing the ignition
To test the ignition, turn the ignition switch on (without starting the Firebird) for two seconds, switch it back off for 10 seconds and then switch it back on. This will allow you to check whether the fuel pump is working. If the motor kicks over a little but doesn't run, the fuel lines may be mixed up. You should also check the psi at key on and running – if it's 45 psi at key on and 38 psi running, the car should be able to run.
Before testing the ignition, you should relieve the pressure in the fuel system. Open the gas cap, go to the fuse box within the engine and remove the fuse for the fuel system. You should also disconnect the negative battery cable.
You should also drain the fuel from the tank. Remove the tank's drain plug or the line running to the fuel filter. Make sure you know how much fuel is in the tank and have an approved container to pour it into.
After testing the ignition, you can reconnect the fuel system's fuse and the battery cable. Refill the tank, close the fuel cap and reconnect the fuel tank, torquing its bolts to 33 foot pounds.
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Frequently asked questions
First, start the engine and let it run until it stops. Disconnect the negative battery cable. Raise the car on jack stands and drain the fuel from the tank. Remove the tank's drain plug or the line running to the fuel filter. Disconnect and remove the tank from the car to change the pump. Install the new fuel pump onto the fuel sender and attach the sender back to the tank. Use a new strainer with the new pump and new O-rings on the tank's opening groove and the sender feed tube.
Before working on any part of the fuel system, you need to remove all pressure in the system. Relieve the pressure in the fuel system by opening the gas cap, going to the fuse box within the engine and removing the fuse for the fuel system. Refill the tank, close the fuel cap and reconnect the fuel system's fuse and the battery cable.
It is recommended to use an O.E. ac delco or delphi brand fuel pump.
