Mercedes Mullins
The fuel filter on the PT Cruiser is built into the fuel pump module, which is mounted into the fuel tank. This means that to replace the filter, you must replace the entire pump module. To do this, you will need to relieve the fuel system's pressure by removing the fuel cap and opening the hood, among other steps.
| Characteristics | Values |
|---|---|
| Location | Inside the fuel pump module, which is mounted in the fuel tank |
| Replaceability | Not serviceable, must replace the fuel pump module |
| Replacement Process | Remove the tank, relieve fuel system pressure, remove fuel cap, open the hood, remove air filter housing cover, remove fuel pump relay, start the engine and let it idle until it stalls, turn off the ignition, disconnect the negative battery cable, raise the car's rear end, unscrew and remove the drain cap, drain the fuel, install the replacement fuel pump and filter, screw the locknut, connect the fuel supply hose and electrical connector, raise the tank, connect the filler, vapor and EVAP lines, lower the car, refill the fuel tank, reconnect the battery cable and fuel pump fuse, replace the air filter housing |
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What You'll Learn
The fuel pump and filter are located in the fuel tank
The fuel pump and filter on a PT Cruiser are located within the fuel tank. This means that to replace the filter, you must replace the entire pump module.
The fuel pump module is mounted inside the fuel tank. To access the module, you must first relieve the fuel system's pressure. Start by removing the fuel cap and opening the hood. Then, remove the cover on the air filter housing, and take out the fuel pump relay from the fuse box, which is located behind and below the filter housing. Start the engine and wait for it to stall. Once it has stalled, turn off the ignition and disconnect the negative battery cable.
Next, raise the rear end of the car and support it on jack stands. Remove the drain cap on the tank and let the fuel drain into a suitable container. With the tank emptied, you can now remove the tank itself. Once the tank is out, you can access the fuel pump module and replace it with a new one. Be careful not to damage the float arm or the filter during this process.
After installing the new fuel pump and filter, screw the locknut into place. Raise the tank back into position and bolt the straps on. Reconnect the filler, vapor, and EVAP lines, as well as the electrical connector. Lower the car off the jack stands and refill the fuel tank. Finally, reconnect the battery cable and fuel pump fuse, and replace the air filter housing.
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To replace the filter, you must replace the entire pump module
The fuel filter on the PT Cruiser is built into the fuel pump module, which is mounted into the fuel tank. This means that to replace the filter, you must replace the entire pump module.
The first step in this process is to relieve the fuel system's pressure. Open the hood and remove the cover on the air filter housing. Then, remove the fuel pump relay from the fuse box located behind and below the filter housing. Next, start the engine and let it idle until it stalls. Turn off the ignition and disconnect the negative battery cable.
Now, raise the rear end of the car and support it on jack stands. Remove the fuel tank by unscrewing and taking off the drain cap, allowing the fuel to drain into a gas can or drain pan that can hold at least 16 gallons.
With the tank removed, you can access the fuel pump module. Inspect the fuel filter to determine if it needs to be replaced. If so, install a new fuel pump and filter into the fuel tank, being careful not to damage the float arm or the filter. Screw the locknut into place, using a mark you made to align the module, and then connect the fuel supply hose and electrical connector using their locking tangs.
Finally, raise the tank back into place with a transmission jack and bolt the straps on. Reconnect the filler, vapor, and EVAP lines, as well as the electrical connector. Lower the car off the jack stands, refill the fuel tank, and reconnect the battery cable and fuel pump fuse. Don't forget to replace the air filter housing.
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You'll need to relieve the fuel system's pressure
The fuel filter on a PT Cruiser is part of the fuel pump module and is located inside the fuel tank. To relieve the fuel system's pressure, follow these steps:
Step 1: Remove the Fuel Pump Relay
Locate the fuel pump relay in the power distribution centre (PDC) or the integrated power module (IPM), depending on your PT Cruiser model. Remove the relay to disable the fuel pump and prevent further pressure build-up.
Step 2: Wrap the Fitting
Use a couple of shop towels or rags to wrap around the fitting at the fuel rail. This will help catch any spilled fuel and protect your hands during the next step.
Step 3: Release the Pressure
Slowly loosen the wrapped fitting to release the pressure in the fuel lines. Be cautious, as the fuel may be under high pressure and could spray out. Ensure you are wearing protective gear and that the area is well-ventilated.
Step 4: Perform a Fuel Pressure Test
Once the pressure is released, perform a fuel pressure test to ensure that the system is safe to work on. This can be done by removing the plastic hard line supplying the fuel rail and connecting your fuel gauge for an inline pressure reading.
Step 5: Further Diagnostics
If you are replacing the fuel filter, it is recommended to perform further diagnostics to identify the root cause of any issues. This can include a spark test, checking for faulty pickup, or inspecting the fuel lines for crush damage or blockages.
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Raise the car's rear end and support it on jack stands
To raise the rear end of your car and support it on jack stands, you must first take safety measures to secure the vehicle. Park your car on level ground, preferably on a paved surface. If you have to park on an incline, park close to the curb and turn the wheels inward. Block the downside wheels with wheel wedges, wood blocks, or bricks to prevent the wheels from accidentally rolling. Engage the parking brake and put the car in park.
Now, position the jack under the car frame. Choose a jack point at the center of the rear suspension or frame. If you have a scissors jack, insert the rod and then crank, raising the jack until it connects with the car’s lift point. If you have a hydraulic jack, place the handle into the body of the jack and pump the handle smoothly to raise the car to the desired height.
Once the rear of the car is lifted, slide the jack stands into position. The jack stands should be placed underneath the pinch points of your vehicle, which are located on the sides of your vehicle in front of the rear tires. Line up the divot on your jack stand with the part of the pinch point that extends down. If your vehicle doesn't have pinch points, set the jack stands underneath the vehicle's frame. Ensure that the jack stands are properly rated for the weight of your vehicle.
After confirming that the jack stands are secure, slowly lower the car by turning the handle or crank of the jack counterclockwise. Remove the jack once the vehicle is resting securely on the jack stands. Give the car a gentle push to ensure that it is stable.
Now that the rear end of the car is raised and supported, you can proceed with your repairs or maintenance. Remember to take all necessary safety precautions and refer to your owner's manual for specific instructions or guidelines.
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Refill the fuel tank and reconnect the battery cable
The fuel filter on a PT Cruiser is part of the fuel pump module and is located inside the fuel tank. Therefore, to change the fuel filter, you must drop the tank and remove the fuel pump.
Now, to refill the fuel tank and reconnect the battery cable, follow these steps:
Refilling the Fuel Tank
- Before attempting to refill the fuel tank, ensure that your PT Cruiser is on a flat, secure surface, with the engine turned off.
- Check that any flammable materials are kept away from the work area, as the battery may produce gas during the process.
- Next, remove the gas cap. This allows airflow to come in and release the flapper that is stuck closed, enabling you to fill up the tank.
- If the above step doesn't work, disconnect the vapor pipe near the fuel tank and blow some air into the pipe. This can help release the stuck valve.
- If the valve gets stuck again, try using a small amount of WD40, blowing it in with some air to lubricate the valve and prevent sticking.
- Attempt to refill the fuel tank.
Reconnecting the Battery Cable
- Put on protective gear, such as gloves and safety goggles, before beginning work on the battery.
- Locate the battery in your PT Cruiser. It is usually found under the hood on the driver's side of the engine.
- Secure the hood with the prop rod.
- Disconnect the battery terminals. Use a wrench to loosen the negative terminal clamp and remove the negative cable from the battery post. Keep the negative cable away from the battery to prevent accidental contact.
- Clean the cable terminals and battery tray if there is any corrosion or grime. Use a wire brush and a water and baking soda solution to neutralize corrosion.
- Reinstall the new battery (if applicable) or the existing battery if you are simply reconnecting the cable. Place it on the tray and secure the hold-down bracket by tightening its bolt.
- Reconnect the battery cable terminals. Start with the positive cable, followed by the negative cable. Ensure that the connections are tight by retightening the cable clamp nuts.
- Reinstall the air cleaner housing. Realign the housing and filter in the reverse order of removal, then close the hood.
Please note that these steps are provided as general guidance, and you should always refer to your PT Cruiser's manual or seek professional advice for specific instructions related to your vehicle.
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Frequently asked questions
The fuel pump filter on a PT Cruiser is part of the fuel pump module, which is mounted into the fuel tank. To change the filter, you must replace the entire pump module.
First, relieve the fuel system's pressure by removing the fuel cap and opening the hood. Then, remove the fuel pump relay from the fuse box. Next, start the engine and let it idle until it stalls. Turn off the ignition and disconnect the negative battery cable. Raise the car's rear end and place it on jack stands. Finally, unscrew and remove the drain cap on the tank and let the fuel drain.
Install the replacement fuel pump and filter, being careful not to damage the float arm or filter. Screw the locknut into place and connect the fuel supply hose and electrical connector.
Raise the tank with a transmission jack and bolt the straps on. Reconnect the filler, vapor, and EVAP lines, as well as the electrical connector. Lower the car off the jack stands and refill the fuel tank. Reconnect the battery cable and fuel pump fuse, and replace the air filter housing.
Yes, you can try cleaning the filter with a solvent to see if that improves its performance.
