Sylvie Willis
If your car's gas tank is full but the engine isn't getting any gas, you may need to replace the fuel pump. This is a job you can do yourself, but you should exercise extreme caution when working around gasoline. Work in a well-ventilated area, and keep electrical equipment and cigarettes far away. Keep a fire extinguisher handy, and use safety goggles, gloves and approved gasoline containers.
| Characteristics | Values |
|---|---|
| Can you replace a fuel pump with gas inside? | Yes, but you must take precautions to ensure safety. |
| What are the safety precautions? | Work in a well-ventilated area, keep electrical equipment and cigarettes away, keep a fire extinguisher handy, and wear safety goggles and gloves. |
| How do you replace a fuel pump? | Disconnect the ground cable from the battery's negative terminal, examine and replace the fuel line if necessary, release the gas tank pressure, disconnect the fuel outlet line from the carburetor, plug the end of the hose, unscrew the fastening bolts, remove the old pump, coat the new gasket with a sealer, insert the fastening bolts in the new pump, slide the gasket into place, and mount the new pump. |
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What You'll Learn
How to replace a fuel pump in a gas tank
Replacing a fuel pump in a gas tank can be done without calling a mechanic, but caution should be taken when working around gasoline. Work in a well-ventilated area, and keep electrical equipment and cigarettes away. Keep a fire extinguisher handy, and use safety goggles and gloves.
First, disconnect the ground cable (usually black) from the battery's negative (-) terminal. Examine the fuel line from the gas tank and replace it if it's cracked or leaky. Release the gas tank pressure according to the instructions in the car's service manual.
Next, disconnect the fuel outlet line from the carburetor. Plug up the end of the hose with a dowel or bolt. Unscrew the two fastening bolts and discard the old fuel pump. Remove any remaining sealant from the mounting flange.
Coat both sides of the new gasket with a sealer. Insert the fastening bolts in the new pump and then slide the gasket into place. Mount the new pump, making sure that either its rocker arm sits against the eccentric gear on the engine, or its actuating pushrod is properly connected to the fuel pump and engine.
Finally, connect the other end of the fuel outlet line to the new pump, and reconnect the free end to the carburetor. Tighten the nut using two wrenches.
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What to do if your gas tank is full but the engine isn't getting any gas
If your gas tank is full but the engine isn't getting any gas, you may need to replace the fuel pump. However, first make sure the problem isn't a broken gas line, clogged filter or an electrical problem.
If you do need to replace the fuel pump, you can do this yourself without calling a mechanic. First, disconnect the ground cable (it's usually black) from the battery's negative (-) terminal. Then, examine the fuel line from the gas tank and replace it if it's cracked or leaky. Release the gas tank pressure according to the instructions in the car's service manual.
Next, disconnect the fuel outlet line from the carburetor. Plug up the end of the hose you just disconnected with a dowel or bolt. Unscrew the two fastening bolts and discard the old fuel pump. Remove any remaining sealant from the mounting flange. Coat both sides of the new gasket with a sealer. Insert the fastening bolts in the new pump and then slide the gasket into place. Mount the new pump, making sure that either its rocker arm sits against the eccentric gear on the engine, or its actuating pushrod is properly connected to the fuel pump and engine.
Finally, connect the fuel outlet line to the new pump. Reconnect the free end to the carburetor and tighten the nut using two wrenches.
Remember to use extreme caution when working around gasoline. Work in a well-ventilated area, and keep electrical equipment and cigarettes far away. Keep a fire extinguisher handy, and use safety goggles and gloves.
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How to disconnect the fuel outlet line
It is possible to replace a fuel pump with gas inside, but caution is advised when working around gasoline. It is recommended to work in a well-ventilated area, keeping electrical equipment and cigarettes away from the work area. A fire extinguisher, safety goggles, gloves and approved gasoline containers should be used.
To disconnect the fuel outlet line, follow these steps:
First, plug up the end of the hose you just disconnected with a dowel or bolt. Then, firmly grasp the fuel pump fitting with one wrench while using another wrench to unscrew the nut. Once the nut is removed, the fuel outlet line will be disconnected from the carburetor.
Next, unscrew the two fastening bolts that secure the fuel pump in place. After removing these bolts, the old fuel pump can be discarded. It is important to note that you should remove any remaining sealant from the mounting flange before installing the new pump.
These steps will allow you to safely disconnect the fuel outlet line and proceed with replacing the fuel pump. Remember to exercise caution and follow safety guidelines when working with gasoline.
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How to release the gas tank pressure
It is possible to replace a fuel pump with gas inside, but caution is advised when working around gasoline. Work in a well-ventilated area, and keep electrical equipment and cigarettes away from the area. Keep a fire extinguisher handy, and use safety goggles and gloves.
To release the gas tank pressure, you should refer to the instructions in your car's service manual.
- Disconnect the ground cable (it's usually black) from the battery's negative (-) terminal.
- Examine the fuel line from the gas tank and replace it if it's cracked or leaky.
- Plug up the end of the hose you just disconnected with a dowel or bolt.
- Disconnect the fuel outlet line going to the carburetor by grasping the fuel pump fitting firmly with one wrench while unscrewing the nut with another wrench.
- Unscrew the two fastening bolts and discard the old fuel pump.
- Remove any remaining sealant from the mounting flange.
- Coat both sides of the new gasket with a sealer.
- Insert the fastening bolts in the new pump and then slide the gasket into place.
- Mount the new pump, making sure that either its rocker arm sits against the eccentric gear on the engine, or its actuating pushrod is properly connected to the fuel pump and engine.
- Connect the fuel outlet line to the new pump. First disconnect the line from the carburetor. Then connect the other end to the pump, reconnecting the free end to the carburetor. Tighten the nut using two wrenches the same way as when you disconnected the fuel outlet line.
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Safety precautions when working around gasoline
It is possible to replace a fuel pump with gas inside, but it is important to take safety precautions when working around gasoline. Gasoline is a hazardous substance that can cause dangerous injuries, illnesses, and incidents if not handled and stored properly. Here are some safety precautions to follow when working around gasoline:
- Work in a well-ventilated area. Gasoline vapours can travel far from gas containers in enclosed areas.
- Keep electrical equipment and cigarettes/lighters away from the work area.
- Keep a fire extinguisher nearby.
- Wear safety goggles and gloves.
- Use approved gasoline containers and seal them tightly when not in use.
- If you get gasoline on your skin, wash it off with soapy water immediately to avoid skin irritation.
- Do not use gasoline as a cleaning fluid, solvent, or to clean your hands.
- Turn off equipment and let it cool before filling the gas tank.
- Never use gasoline to start charcoal on a grill; use a proper charcoal starter instead.
- Be cautious of potential ignition sources, such as open flames, lightning, hot surfaces, sparks, and chemical reactions.
Additionally, when replacing a fuel pump, make sure to disconnect the ground cable from the battery's negative terminal and release the gas tank pressure according to the car's service manual. Also, check if the problem is due to a broken gas line, clogged filter, or electrical issue before replacing the pump.
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Frequently asked questions
Yes, you can replace your fuel pump yourself. However, you should use extreme caution when working around gasoline. Work in a well-ventilated area, and keep electrical equipment and cigarettes far away. Keep a fire extinguisher handy, and use safety goggles, gloves and approved gasoline containers.
If your gas tank is full but your engine isn't getting any gas, you may need to replace the fuel pump. However, first make sure the problem isn't a broken gas line, clogged filter or an electrical problem.
You will need two wrenches to disconnect and reconnect the fuel outlet line. You will also need a dowel or bolt to plug up the end of the hose.
First, disconnect the ground cable (it's usually black) from the battery's negative (-) terminal. Examine the fuel line from the gas tank and replace it if it's cracked or leaky. Release the gas tank pressure according to the instructions in the car's service manual. Then, disconnect the fuel outlet line going to the carburetor by grasping the fuel pump fitting firmly with one wrench while unscrewing the nut with another wrench. Unscrew the two fastening bolts and discard the old fuel pump. Remove any remaining sealant from the mounting flange. Coat both sides of the new gasket with a sealer. Insert the fastening bolts in the new pump and then slide the gasket into place. Mount the new pump. Make sure that either its rocker arm sits against the eccentric gear on the engine, or its actuating pushrod is properly connected to the fuel pump and engine. Finally, connect the fuel outlet line to the new pump. First disconnect the line from the carburetor. Then connect the other end to the pump, reconnecting the free end to the carburetor.
If you're not comfortable replacing your fuel pump yourself, you can call a mechanic to do it for you.
