Ameer Randolph
The 2004 Mitsubishi Eclipse has a fuel pump module which includes a fuel filter. This is located inside the fuel tank with the fuel pump assembly. If you think the filter is clogged, the entire fuel pump module will need to be replaced. To do this, you will need to remove the rear seats to access the cover to the assembly.
| Characteristics | Values |
|---|---|
| Fuel filter location | Inside the fuel tank with the fuel pump assembly |
| Fuel pump module | Includes a fuel filter |
| Fuel filter replacement | Not listed in the maintenance table |
| Fuel filter change frequency | Every 60,000 miles |
| Fuel filter replacement process | Remove rear seats to access the cover to the assembly |
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What You'll Learn
Locating the fuel filter
To locate the fuel filter in a 2004 Mitsubishi Eclipse, you will need to remove the rear seats. This is because the fuel filter is located with the fuel pump, which Mitsubishi calls the fuel module. The fuel filter is incorporated inside the fuel tank with the fuel pump assembly, so tank removal is required for replacement. The 2000-2004 Eclipse models have adopted a fuel pump module which includes a fuel filter. If there are no problems with the engine running or idling, then the fuel filter is probably fine. However, if you think the filter is clogged, the entire fuel pump module will need to be replaced.
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Removing the rear seats
To replace the fuel filter in a 2004 Mitsubishi Eclipse, you must first remove the rear seats. This is because the fuel filter is located with the fuel pump, or fuel module, as Mitsubishi calls it. The fuel filter is incorporated inside the fuel tank with the fuel pump assembly, so tank removal is required for replacement.
- First, locate the bolts holding the rear seats in place. These are usually found along the base of the seat, where it meets the floor.
- Using a socket wrench or other appropriate tool, loosen and remove these bolts.
- Gently lift the seat upwards and outwards to remove it from the vehicle.
- Set the seat aside in a safe place, being careful not to damage any surrounding components.
- Repeat this process for the other rear seat, if applicable.
- Once both rear seats are removed, you should be able to access the cover to the fuel pump and fuel filter assembly.
It is important to note that the fuel filter in the 2004 Mitsubishi Eclipse is not a standalone component and is integrated with the fuel pump module. Therefore, if you suspect that the fuel filter is clogged, you may need to replace the entire fuel pump module.
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Draining the transmission fluid
To replace the fuel filter in a 2004 Mitsubishi Eclipse, you will first need to drain the transmission fluid and remove the box sump pan. The fuel filter is incorporated inside the fuel tank with the fuel pump assembly, so tank removal is required for replacement.
The fuel filter is located with the fuel pump, or fuel module as Mitsubishi calls it. To access it, you will need to remove the rear seats, where you will find the cover to the assembly. The fuel pump and fuel filter are integrated to save weight.
The fuel filter is usually the easiest and cheapest part to replace first, and it is recommended to change it every 60,000 miles. If there are no problems with the engine running or idling, then it is probably fine. However, if you think the filter is clogged, the entire fuel pump module will need to be replaced.
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Removing the fuel tank
To replace the fuel filter in a 2004 Mitsubishi Eclipse, you will need to remove the fuel tank. The fuel filter is incorporated inside the fuel tank with the fuel pump assembly, so tank removal is required for replacement.
- Prepare your vehicle for fuel pump servicing. Relieve the fuel system pressure and disconnect the negative battery cable with a wrench.
- Take out the rear seat cushion by pulling the seat stopper out and lifting the lower cushion up.
- Disconnect the electrical connections from the cap of the fuel assembly.
- Remove the locking ring on the fuel pump assembly with a wrench if your vehicle has all-wheel drive.
- Remove the black ring that encircles the fuel pump assembly. The proper way to remove this is to use the special Mitsubishi tool you would typically use to hold your crank pulley in place while you are unbolting it.
- Pull the fuel pump/fuel filter out of the fuel reservoir. Be very careful of the fuel sending unit “bobber” which hangs below the assembly. Place a bucket next to the gas tank to catch any fuel that may spill.
- Once the fuel pump assembly has been removed, dump any excess gas out of the fuel reservoir and towel it out to avoid making a mess.
Note: It is recommended to replace the fuel filter every 60,000 miles. If there are no problems with the engine running or idling, then it is probably good. However, if you think the filter is clogged, the entire fuel pump module will need to be replaced.
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Replacing the fuel pump module
In the 2004 Mitsubishi Eclipse, the fuel filter is located with the fuel pump, also known as the fuel module. This bundle is inside the fuel tank, so tank removal is required for replacement. To access the fuel pump and fuel filter, you need to remove the rear seats, where you will find the cover to the assembly.
If you think the filter is clogged, the entire fuel pump module will need to be replaced. The fuel pump and fuel filter are integrated with each other to save weight.
The fuel filter is considered the easiest and cheapest component to replace, so it is recommended to start there. It is also recommended to change the fuel filter every 60,000 miles.
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Frequently asked questions
The fuel filter is incorporated inside the fuel tank with the fuel pump assembly. To access it, you will need to remove the rear seats and then the cover to the assembly.
According to the manual, the fuel filter should be changed every 60,000 miles.
Some sources say that the fuel filter is not replaceable on its own, while others say that it can be replaced by removing the tank.
If there are no problems with the engine running or idling, then the fuel filter is probably fine. If you think the filter is clogged, then the whole fuel pump module will need to be replaced.
The easiest and cheapest way to replace the fuel filter is to first remove the rear seats and the cover to the assembly, as described above.
