Mercedes Mullins
Replacing the fuel pump in a Dodge Ram is a complex task, but one that can be done at home. There are several methods for replacing the fuel pump assembly, including dropping the tank, unbolting and tilting the bed, and sliding the bed back. Before beginning the replacement, it is important to disconnect the battery to reduce the chance of a fire.
| Characteristics | Values |
|---|---|
| First step | Disconnect the battery |
| Next step | Remove the access cover |
| Next step | Replace the pump and pre-pump filter screen |
| Next step | Disconnect the fuel lines, remove the pump and install the new one |
| Next step | Check for fuel leaks |
| Alternative method | Drop the tank |
| Alternative method | Unbolt and tilt the bed |
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What You'll Learn
Disconnect the battery
Disconnecting the battery is the first step in replacing the fuel pump in a Dodge Ram. This is an important safety measure, as it reduces the chance of a fire.
To disconnect the battery, you will need to locate the battery terminal. This is usually located in the engine bay, near the front of the vehicle. Once you have located the battery terminal, you will need to disconnect the negative cable first. This is typically marked with a "-" symbol or a black cover. Use a wrench or socket to loosen the nut that secures the cable to the terminal, and then carefully pull the cable away from the terminal.
If your Dodge Ram has a positive battery terminal cover, you will need to remove it before proceeding. The positive terminal is typically marked with a "+" symbol or a red cover. Again, use a wrench or socket to loosen the nut and disconnect the cable.
With both cables disconnected, you can now safely proceed with replacing the fuel pump. It is important to note that fuel pumps inside the fuel tank may have an access cover that needs to be removed before the pump can be replaced. This cover is typically located near the top of the fuel tank and may require a special tool to remove.
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Remove the access cover
Before you begin to remove the access cover, you should disconnect the battery to reduce the chance of a fire.
The access cover is usually located on the fuel tank. To remove it, you may need to drain the fuel. This will ensure that the fuel does not leak when you remove the access panel. Once the cover is off, you can replace the pump and pre-pump filter screen.
Use a screwdriver and hammer to knock the retaining ring back into the "lock" position. Reconnect the fuel line and power, giving them a little tug to ensure they are locked in and won't come loose.
Now, you can hook your battery back up. Turn the key to the "ON" position to prime the pump. Repeat this process three times to ensure everything is primed and you can hear the pump cycle each time.
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Disconnect the fuel lines
To disconnect the fuel lines of a Dodge Ram, you will need to remove the access cover. This is usually done by undoing the electrical connectors to the fuel rail injectors and removing the bolts. If you have air conditioning, there will be three bolts at the A/C compressor bracket.
There are different types of fuel lines with Rams, so the next steps will depend on your model. Some you will have to depress and twist the connection, while others will require a disconnect tool. You can buy or rent a line tool for around $10.
If you have a single tab fitting, press the release tab on the fitting and hold it down while you lift/pull the tab up with a flat-head screwdriver until it separates. If you have a double tab fitting, squeeze the plastic retainer tabs and pull the fitting backwards.
If you are concerned about fuel pressure, you can bleed it off at the shadier valve on the other side of the fuel rail. Hold a rag in place, push the valve open, and bleed the fuel into the rag.
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Unbolt and tilt the bed
To unbolt and tilt the bed of your Dodge Ram, you will need to remove the six bolts that hold it down. These include the three bolts inside the gas cap door, the license plate mount, and the bolts for the tail lights. You will also need to unplug the tail lights.
Some people also recommend removing the tailgate, bumper (with hitch) and spare tire.
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Reconnect the fuel line and power
Once the pump is replaced, reconnect the fuel line and power. Give them a little tug to make sure they are locked in and don't come loose. You can now hook your battery back up. Turn the key to the "ON" position to prime the pump. Repeat this three times to make sure everything is primed up and you can hear the pump cycle each time.
After reconnecting the fuel line and power, another check will be done to ensure there are no fuel leaks and that the problem is solved.
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Frequently asked questions
The easiest way to replace the fuel pump is to slide the bed back. Take out the six bolts that hold it down, including the three inside the gas cap door, the license plate mount, and unplug the tail lights.
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. If the pump is outside the tank, disconnect the fuel lines.
Check for fuel leaks to ensure the problem is solved. Reconnect the fuel line and power, giving them a little tug to make sure they are locked in. Hook the battery back up and turn the key to the "ON" position to prime the pump. Repeat this three times to make sure everything is primed.
Two other methods are to drop the tank or unbolt and tilt the bed. However, these methods may be more difficult as access to the plug can be hard.
