2008 Ford Expedition Ac Not Working [How To Fix]

Do you own a 2008 Ford Expedition and your AC isn’t working You’re not alone. This is a common problem with this model of SUV. But don’t worry, there is a fix! In this troubleshooting guide, I’ll walk you through the steps to diagnose and repair the problem. By the end of this guide, you’ll be able to get your AC back up and running in no time.

Why 2008 Ford Expedition Ac Not Working

Low refrigerant level

The most common cause of a non-working AC is a low refrigerant level. The AC system relies on refrigerant to circulate through the evaporator core, condenser, and expansion valve to absorb heat from the interior of the vehicle and expel it outside. If the refrigerant level is too low, the AC system will not be able to function properly and the air will not be cool.

Faulty compressor

The compressor is the heart of the AC system and is responsible for compressing the refrigerant and circulating it through the system. If the compressor is faulty, it will not be able to compress the refrigerant and the AC system will not work.

Faulty condenser

The condenser is responsible for cooling the refrigerant after it has been compressed by the compressor. If the condenser is faulty, it will not be able to cool the refrigerant and the AC system will not work.

Faulty expansion valve

The expansion valve is responsible for regulating the flow of refrigerant into the evaporator core. If the expansion valve is faulty, it will not be able to regulate the flow of refrigerant and the AC system will not work.

Faulty evaporator core

The evaporator core is responsible for absorbing heat from the interior of the vehicle and transferring it to the refrigerant. If the evaporator core is faulty, it will not be able to absorb heat and the AC system will not work.

Faulty electrical components

The AC system also relies on a number of electrical components to function properly, such as a relay, a pressure switch, and a temperature sensor. If any of these components are faulty, the AC system will not work.

How to Troubleshoot: 2008 Ford Expedition AC Not Working

The air conditioner in your 2008 Ford Expedition is an important part of keeping you cool and comfortable during hot summer days. If your AC isn’t working properly, it can be a real pain. There are a few things you can check yourself to try to troubleshoot the problem.

Possible Causes

There are a number of things that could cause your 2008 Ford Expedition AC not to work. Some of the most common causes include:

A blown fuse
A faulty compressor
A leak in the refrigerant lines
A problem with the condenser or evaporator
A dirty air filter

How to Troubleshoot

To troubleshoot the problem with your 2008 Ford Expedition AC, you’ll need to start by checking the fuses. If a fuse is blown, it will need to be replaced before you can continue troubleshooting.

Once you’ve checked the fuses, you’ll need to check the compressor. The compressor is the heart of the AC system, and if it’s not working, the AC won’t work either. To check the compressor, you’ll need to use a multimeter to test the voltage at the compressor’s terminals. If there’s no voltage, the compressor is probably bad and will need to be replaced.

If the compressor is working, you’ll need to check for leaks in the refrigerant lines. To do this, you’ll need to use a leak detector. If you find a leak, you’ll need to have the lines repaired or replaced.

If there are no leaks, you’ll need to check the condenser or evaporator. To do this, you’ll need to use a vacuum pump to evacuate the refrigerant from the system. Once the system is evacuated, you’ll need to use a pressure gauge to check the pressure at the condenser and evaporator. If the pressures are too low, the condenser or evaporator is probably bad and will need to be replaced.

Finally, you’ll need to check the air filter. If the air filter is dirty, it can restrict airflow to the AC compressor and cause the AC to not work properly. To check the air filter, you’ll need to remove it from the housing and inspect it for dirt and debris. If the air filter is dirty, it will need to be replaced.

Conclusion

If you’ve followed these troubleshooting steps and you’re still having problems with your 2008 Ford Expedition AC, you’ll need to take it to a qualified mechanic for further diagnosis and repair.

Also Read: 2008 Ford Expedition Blower Motor Not Working

FAQs: 2008 Ford Expedition AC Not Working

Why is my 2008 Ford Expedition AC not working?

There are a few possible reasons why your 2008 Ford Expedition AC may not be working. These include:

A blown fuse
A faulty compressor
A leak in the refrigerant lines
A problem with the control panel
A dirty cabin air filter

How do I check the fuses for my 2008 Ford Expedition AC?

To check the fuses for your 2008 Ford Expedition AC, you will need to:

1. Turn off the AC and all other electrical accessories in your vehicle.
2. Open the fuse box.
3. Locate the fuses for the AC system.
4. Use a multimeter to check the fuses for continuity.

If a fuse is blown, you will need to replace it with a fuse of the same amperage.

How do I test the compressor for my 2008 Ford Expedition AC?

To test the compressor for your 2008 Ford Expedition AC, you will need to:

1. Turn off the AC and all other electrical accessories in your vehicle.
2. Remove the air filter housing.
3. Locate the compressor.
4. Connect a voltmeter to the compressor terminals.
5. Start the engine and turn on the AC.

If the compressor is working properly, you should see a voltage reading of 12-14 volts.

How do I find a leak in the refrigerant lines for my 2008 Ford Expedition AC?

To find a leak in the refrigerant lines for your 2008 Ford Expedition AC, you will need to:

1. Turn off the AC and all other electrical accessories in your vehicle.
2. Start the engine and allow it to run for a few minutes.
3. Use a can of refrigerant leak detector to spray the refrigerant lines.

If there is a leak, you will see a cloud of smoke coming from the leak.

How do I fix the control panel for my 2008 Ford Expedition AC?

To fix the control panel for your 2008 Ford Expedition AC, you will need to:

1. Remove the control panel.
2. Inspect the control panel for damage.
3. Replace any damaged components.
4. Reinstall the control panel.

How do I clean the cabin air filter for my 2008 Ford Expedition AC?

To clean the cabin air filter for your 2008 Ford Expedition AC, you will need to:

1. Open the glove box.
2. Locate the cabin air filter.
3. Remove the cabin air filter.
4. Use a vacuum cleaner to clean the cabin air filter.
5. Reinstall the cabin air filter.