2005 ford excursion air conditioning problems

How to Add Refrigerant to a 2005 Ford Excursion Limited 6.8L V10

Ford excursion model years - 2000, 2001, 2002, 2003, 2004, 2005.

Where the low pressure A/C port is on 2005 Excursion and how to add add freon

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When the air conditioner in your 2005 Ford Excursion starts blowing hot air, you likely have a freon leak. Recharging the freon in your AC system is an inexpensive and easy first step to restoring the cooling capacity of your A/C system. Most refrigerants include a leak sealer that will seal small leaks in addition to filling the R134a freon. The A/C system in your Excursion consists of a compressor that is belt-driven, an evaporator and freon. If there is a problem with your compressor or evaporator, adding freon will not restore cooling.

How do you recharge AC in a 2005 Ford Excursion? The low side AC port location is the first thing to find when you are looking for how to put freon in a car. Once you find the 2005 Excursion AC low pressure port cap, hook up the can of refrigerant to the low pressure port. When your compressor kicks on, add freon to the correct pressure. In addition to cooling, freon lubricates the compressor when it runs. Typically the AC recharge kit you buy will have enough capacity to add enough freon to get the AC in your Excursion to blow cold air.

What type of refrigerant does a 2005 Ford Excursion use? Air conditioning systems can vary so it is critical that you check the sticker in the engine bay to determine your Excursion refrigerant type. There is an AC sticker in the engine bay of your 2005 Excursion that indicates if it requires R134a refrigerant or the newer R1234YF type to do a recharge. You cannot add R1234YF refrigerant to a R134a system nor can you add R134a refrigerant to a R1234YF system. R134a and R1234YF have different low pressure port types, so you should never use a recharge adapter to add the wrong type of refrigerant. Recharging your Excursion with the wrong type of freon can make the AC recharge cost much higher!

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2005 Ford Excursion

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• Complaints 83
• Crash Tests 1
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Air Conditioner Problem Fixed FINALLY

• Thread starter Jb14
• Start date Jun 19, 2013

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• Jun 19, 2013

Full Access Members

Hi Folks I am posting this in hopes that it can help you all not to have to go through what I had to for a year with and air conditioning issue with my 2005 Expedition. Issue: My A/C started to not be cold so I took it to a trusted mechanic who diagnosed my issue as needing a Freon charge. When the $125.00 service was done the trusted mechanic said that my A/C compressor was week and needed to be replaced (after charge blowing coldish) So I purchased a complete kit (not from ford but a good kit anyways) and had it replaced (parts and labor $1200) Issue 2: After job was complete the system ran cool but not cold like I expected then in a month and a half the system was blowing hot again. Many trip back to the not anymore trusted mechanic produced no resolution and the same blowing coldish to hot air (and ALLOT OF FRUSTRATION) Now to the year later when he finally took my Expy to a friend mechanic of his who diagnosed my issue as a bad condenser and clutch fan. Now down to the real bend me over solution. I had the not trusted mechanic repair the parts that was the issue and he only replaced the clutch fan and not the condenser>>> Guess what with only the clutch fan replaced my A/C works just as good as it did before all the issues. Long story short replacing the $100 clutch fan solved my issue I ended up spending close to 2k for in parts, time, gas and agony when it was just the clutch fan. Hope this helps someone out there!! REVISION; Finally fix part 2 Cautionary tale of bad mechanics Ive never had this much trouble before. But my Fixed A/C stopped working again I took it to a new mechanic who after alot of trouble shooting found the problem. Which was again the Clutch Fan that was replace 10 days ago by the bad mechanic. Turns out Expy's on certain parts do not like aftermarket part which is what the bad mechanic installed (Auto Zone part) so after another $700 and a factory ford clutch fan It seems to be working properly. So if an issue pop for the Ford part.  

Sad. Most mechanics are just parts replacement monkeys nowadays. No one knows how to troubleshoot anymore. I blame it on video games.  

• Jun 20, 2013

That sux, but I just had my AC recharged with 10 oz of freon today, and when the mechanic was inspecting it after the charge, realized that the fan clutch was going out too. Ford wants $375 to replace it, but I found the clutch online for $100 and am considering doing it myself.  

FordandPolaris

Stoned06 said: That sux, but I just had my AC recharged with 10 oz of freon today, and when the mechanic was inspecting it after the charge, realized that the fan clutch was going out too. Ford wants $375 to replace it, but I found the clutch online for $100 and am considering doing it myself. Click to expand...

• Jun 21, 2013

The new clutch fan that was installed (by that mechanic) really robs the truck of power so pick wisely  

• Aug 6, 2018

chubbadunes

I really hope this works. I have dumped $1000 in labor and parts replacing my compressor with an Autozone kit, 2 months later it was blowing hot again. So replaced it again 3 weeks ago and here I am again sweating my ass off in Phoenix, az 110 degrees out, I'm so pissed. I'm glad I decided to look online and found this post, we'll see if replacing the clutch fan and condenser works.  

What is really sad is that with a little knowledge on how auto ac works the fan clutch failing shows up as higher pressure on the high side. To test whether the fan is moving enough air through the condenser all you have to do is put a shop fan blowing into the condenser when the system is running. If the pressure drops into range, you have found a problem.  

• Aug 9, 2018

Prince_Polaris

FordGate said: Sad. Most mechanics are just parts replacement monkeys nowadays. No one knows how to troubleshoot anymore. I blame it on video games. Click to expand...

• Aug 10, 2018

You'll be amazed at how much you learn by reading and comprehending books. There is a difference between video games, computer based training (cbt) and books. Videos are usually the abridged version of a book.  

Well-Known Member

Not everyone learns the same way. Some people can read a book and learn, others are more visual. Hands on is the best method for many. Each has to find what works for yourself. Some of the most successful people I know were near failures in the formal education they attempted. Myself, I learn by making mistakes .. thats why I dont own a sailboat! https://www.learning-styles-online.com/overview/  

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Ford Excursion (2000 to 2005)

The Ford Excursion was a family of full size SUVs introduced for the 2000 model year. At almost 19 feet long, the Excursion was not only Ford's largest SUV, it was also the largest mass-produced SUV ever made. Two turbodiesel V8 engines were offered, alongside a V8 and V10 option. Production of the Ford Excursion lasted until 2005 (2006 in Mexico) before the model was discontinued due to poor sales.

Q: What is the highest sale price of a Ford Excursion?

A: The highest recorded sale was $100,000 for a 2003 Ford Excursion Limited 7.3L Power Stroke 4×4 on Dec 20 2021.

Q: What was the lowest recorded sale price for a Ford Excursion?

A: The lowest recorded sale price was $3,300 for a 2000 Ford Excursion on Jan 7 2020.

Q: What is the average sale price of a Ford Excursion?

A: The average price of a Ford Excursion is $30,665.

Q: What years was the Ford Excursion sold?

A: The Ford Excursion was sold for model years 2000 to 2005.

Model years for Ford Excursion (2000 to 2005)

Showing 24 of 340 related listings

2003 Ford Excursion Eddie Bauer Edition

Lot F333: 2003 Ford Excursion Eddie Bauer Edition

• Location: Houston, Texas, USA
• Originality: Original & Highly Original  Vehicles that are original or close to original factory specifications, irrespective of condition. May include vehicles that have minor, removable modifications such as aftermarket wheels, exhaust, or accessories such as cargo/roof rack, stereos, etc.
• Transmission: Automatic
• Driver side: LHD

2005 Ford Excursion

Lot 142524: 2005 ford excursion.

• Location: Lauderhill, Florida, USA

2000 Ford Excursion XLT

Lot c2345353: 2000 ford excursion xlt.

• Location: Bergen County, New Jersey, USA

2001 Ford Excursion Limited

Lot cef35445: 2001 ford excursion limited.

Lot 4542: 2005 Ford Excursion

• Location: Dania Beach, Florida, USA

2003 Ford Excursion Limited

Lot ord2363: 2003 ford excursion limited.

• Location: Lake Mary, FL, USA

Lot c2343535: 2003 Ford Excursion Limited

2003 Ford Excursion

Lot clp2999: 2003 ford excursion.

• Location: Denver, CO, USA

2005 Ford Excursion Eddie Bauer Edition

Lot t124: 2005 ford excursion eddie bauer edition.

2005 Ford Excursion Limited 4×4

Lot 141728: 2005 ford excursion limited 4×4.

• Location: Bibb County, Alabama, USA
• Originality: Modified  Vehicles with a period-correct engine and body, with multiple removable modifications, or a few significant modifications such as increased displacement, added performance equipment (turbo, supercharger, headers), transmission swaps, bumpers, or body wraps. Modified vehicles can generally be returned to original factory specifications.

2005 Ford Excursion Limited Power Stroke 4×4

Lot 141502: 2005 ford excursion limited power stroke 4×4.

• Location: Rockingham County, New Hampshire, USA

2000 Ford Excursion XLT 4×4

Lot 141141: 2000 ford excursion xlt 4×4.

• Location: Sacramento, California, USA

2005 Ford Excursion Eddie Bauer Power Stroke 4×4

Lot 140898: 2005 ford excursion eddie bauer power stroke 4×4.

• Location: Scottsdale, Arizona, USA

2000 Ford Excursion Limited 4×4

Lot 140233: 2000 ford excursion limited 4×4.

• 194,000 mi TMU
• Location: Clackamas County, Oregon, USA
• Originality: Custom  Highly modified and/or Restored vehicles with uprated, non-period correct engine swaps, or engines from outside the original manufacturer, and/or vehicles with significant body customizations or conversions. Generally, Custom vehicles cannot be easily returned to their original factory specifications.

2003 Ford Excursion XLT Power Stroke 4×4

Lot 139845: 2003 ford excursion xlt power stroke 4×4.

• Location: Henrico County, Virginia, USA

2005 Ford Excursion Limited

Lot w87: 2005 ford excursion limited.

• Location: Glendale, Arizona, USA

Lot W243: 2001 Ford Excursion Limited

2001 Ford Excursion Limited 7.3L Power Stroke 4×4

Lot 138317: 2001 ford excursion limited 7.3l power stroke 4×4.

• Location: Suffolk (city), Virginia, USA

Lot 138270: 2005 Ford Excursion Limited Power Stroke 4×4

• Location: Stanislaus County, California, USA

2000 Ford Excursion 4X4

Lot 8124-cha: 2000 ford excursion 4x4.

• Location: Concord, NC, USA

2002 Ford Excursion Limited 7.3 Power Stroke

Lot 137708: 2002 ford excursion limited 7.3 power stroke.

• Location: Santa Clara County, California, USA

2004 Ford Excursion

Lot fr0154: 2004 ford excursion.

• Location: Greensboro, North Carolina, USA

2001 Ford Excursion Limited Power Stroke 4×4

Lot 137505: 2001 ford excursion limited power stroke 4×4.

• Location: Vanderburgh County, Indiana, USA

2000 Ford Excursion Limited

Lot fr0077: 2000 ford excursion limited.

Home » Troubleshooting » Ford Excursion heater not working – causes and diagnosis

Ford Excursion heater not working – causes and diagnosis

The heater in Ford Excursion ensures comfortable temperature in the passenger compartment when the weather is chilly. There are many reasons for poor heating performance in Excursion, which are explained in this article.

The heater may stop working in Ford Excursion due to low coolant level or air in the cooling system, clogged heater core, bad thermostat, faulty blend door actuator, bad water pump, dirty cabin air filter, bad blower motor, or HVAC control unit malfunction.

1. Low coolant or air in the cooling system

Low coolant level or air in the cooling system can cause the heater to stop working properly in Excursion. If the cooling system is not full and bled properly, the water pump will not be able to push the coolant around the system efficiently.

The heating system in Excursion uses hot coolant or antifreeze from the engine block to heat the interior of the vehicle. The hot coolant is pumped through the heater core located behind the dashboard. When you turn on the heating, air gets blown through the heater core, warming the air in the cabin. If there is air trapped inside the heater core, the coolant will not be able to flow through it properly. Since the heater core is usually slightly higher, the air will accumulate in there first. By filling and properly bleeding the system the heat should come back.

Sloshing water sound

Low coolant level or air in the heater core can sometimes cause sloshing sound from behind the dashboard when the engine is running. The sound is most prominent right after you start the vehicle.

Check coolant level

Checking coolant level in Excursion is a fairly some job. You just have to locate the coolant overflow reservoir and inspect the level of coolant in it. If the coolant level is low, open the cap and pour some coolant into the tank until it is between minimum and maximum mark.

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2. Clogged heater core

Clogged heater core is one of the leading causes of heating not working in Ford Excursion. The design of the heater core is similar to the radiator, it has narrow internal channels through which hot coolant flows. Over time, the heater core can begin to rust or mineral deposits can form in these channels, blocking the flow of the coolant.

How to check if the heater core is clogged

You don’t have to remove the heater core in your Excursion to check if it is clogged. Locate two rubber hoses that connect to the heater core through the firewall area. Feel both the rubber lines going in and out of the heater core after the engine has warmed up. Both should be hot. If one is hot and the other is cold, you have a plugged heater core.

Flush the heater core

Before you consider replacing the heater core in your Excursion, it is recommended to flush the existing heater core. Flushing is done by pushing water through the outlet hose of the heater core and draining the gunk from the inlet hose. There are flush kits available in the market that can help you do the job yourself.

3. Bad thermostat

Thermostat is a part of the cooling system in Ford Excursion which ensures that the engine reaches its optimal operating temperature as quickly as possible and maintain it under all operating conditions.

Thermostat is stuck open

When you start your Excursion when the engine is cold, the thermostat cuts off flow of coolant through the radiator in order to quickly reach the optimal engine operating temperature. But if the thermostat has developed a defect and is stuck to open position, the coolant will continuously flow through the radiator and the engine may take a long time to reach its optimal operating temperature.

Heater takes a long time to blow hot air

Since the heating system in Excursion relies on the hot coolant from the engine to heat the interior, the heater will blow cold air until the engine reaches its normal operating temperature. But if the weather is too cold, the engine may never reach its optimal operating temperature with a stuck open thermostat. Your vehicle may also consume more fuel than normal.

5. Bad water pump

The water pump is the heart of the cooling system in Excursion responsible for pumping coolant throughout the system and cooling the engine. If the water pump has worn out and the coolant is not being circulated as effectively as it used to, it can cause the heater to stop working properly because there’s less coolant available to transfer heat between the engine and the heater core.

Water pumps usually last for more than 100,000 miles, but they can fail at any time. A bad water pump will not only cause poor heating, but can also result in engine damage due to overheating. Therefore it is important to diagnose a failing water pump at early stages to avoid expensive repairs later on.

6. Faulty blend door actuator

Blend door actuator plays a role in controlling the temperature inside your Excursion. If the blend door actuator fails to fully open the blend door towards the heater core, it will result in poor heating performance.

The most common symptom of a faulty blend door actuator in Ford Excursion is a slight clicking sound (or other unusual noise) repeatedly coming from under the dashboard. The sound will be most prominent for a few seconds when you turn on the air conditioning or adjust the temperature.

Symptom: knocking sound

A knocking noise from behind the dashboard could be an indicator of a bad blend door actuator in your Excursion. The sound is something like a light tapping on the door and it typically happens when you turn on/off the air conditioning system or start the engine.

Symptom: creaking sound

One side hot, other side cold.

A common symptom of a faulty blend door actuator in vehicles with dual zone climate control system is one side blowing hot air while the other side is blowing cold air.

Replace the faulty part

A bad blend door actuator usually cannot be repaired and must be replaced with a new one. Due to the complexity of the replacement job, it is not recommended as a DIY project. The blend door actuator may require recalibration after replacement.

7. Dirty cabin air filter

Dirty cabin air filter is the leading cause of weak heater airflow in Ford Excursion. The pollen filter, also known as the cabin air filter or microfilter, is responsible for filtering the air that the passengers breathe in the cabin. A dirty filter causes the overall ventilation of the interior to deteriorate resulting in reduced heating and airflow.

There is no fixed time for replacing the cabin air filter, but most manufacturers recommend a change after 10,000-20,000 miles. If you drive your vehicle in dusty or polluted environment, the filter can get dirty much sooner than manufacturer’s recommendation. Additionally, if you drive your Excursion with AC system set to fresh outside air most of the time, your cabin air filter will get dirty much sooner as compared to air recirculation mode.

Replace the filter at the start of every winter for optimal performance

It is generally recommended to replace the cabin air filter every year at the start of the winter season. Spring and summer seasons are hard on the cabin air filter because of pollen and bugs, and in the fall they can get clogged with leaf debris. This gives you a fresh start for the winter, improves defroster performance, and reduces chances of mold or mildew growth.

Can you clean a dirty cabin air filter?

Instead of changing the cabin air filter in Excursion, it is often recommended to first clean the filter. This can be done, for example, with a vacuum cleaner or a compressed air system, removing at least a large part of the visible dirt particles. Unfortunately, this procedure does not allow you to get into the deeper layers of the filter. Therefore, the filter performance will not increase significantly even after cleaning. As a rule, there is no avoiding a change if the filter is dirty.

8. Sluggish blower motor

If the blower motor in your Excursion is not spinning fast enough either due to an internal defect or due to a fault in the resistor/control module, the airflow from the AC vents will be weaker and the heating performance will be degraded.

When a blower motor goes bad, it usually makes unusual noises when in operation, and the passengers may feel reduced airflow from the air vents. Keep in mind that reduced airflow doesn’t always indicate a problem with the blower motor, as it can also happen due to a clogged cabin air filter, dirty evaporator, or a bad mode door actuator. So, all of them must be inspected when diagnosing poor airflow.

9. Dead blower motor (no airflow)

If there is no air flow from the air vents in the dashboard when you turn on the heater in your Ford Excursion, it means the problem is related to the fan or blower motor function.

The most common causes for blower motor not working in Ford Excursion are blown fuse, bad relay, resistor or control module malfunction, and faulty blower motor. However, a bad electrical connector or broken wire, or a defect in the climate control unit can also cause the blower motor to stop working.

10. Dirty evaporator

Dirty evaporator can cause weak airflow and reduce the heating performance in Excursion. Although, the evaporator coil is a component of the cooling function of the air-conditioning system, but the air always first passes through the evaporator and then flows over the heater core.

The cabin air filter captures most of the dirt or other airborne particles, but some particles escape and can get lodged on to the evaporator. Over time, these particles build up on the fins and block the air flow through the evaporator, causing reduced air flow in the cabin and poor heating or cooling.

Function of the evaporator in heating mode

When the heater is turned on and the AC turned off, the compressor does not turn on and the evaporator is not cooled. When you press the AC button in heating mode, the compressor turns on and the evaporator cools and dries the air before it enters the heater core. This mode is useful for clearing fog from the windows.

11. Faulty HVAC module

Climate control module is the brain of the air-conditioning system in your Ford Excursion, responsible for controlling all the components in the system. In rare cases, a fault in the climate control unit can cause the heater to stop functioning. This would require a scan tool to confirm correct operation.

12. Blown head gasket

The head gasket is responsible for providing the seal between the engine block and cylinder heads. Its purpose is to seal the combustion gases within the cylinders and to avoid coolant or engine oil leaking into the cylinders. Leaks in the head gasket can cause all sorts of problems in your Excursion including poor heater performance. This is mostly common in older vehicles.

Leaking exhaust gases

A blown head gasket can cause the exhaust gases from the engine to enter the cooling system and plug the heater core. Clearing the air from the heater core will not help until the head gasket has been replaced.

Leaking coolant

A blown head gasket can cause coolant to leak into the combustion chambers and burn off. If your Excursion is losing coolant, that means there is a leak somewhere or it is getting burned up inside the engine.

How to check if head gasket is leaking in Excursion?

You don’t have to go to a workshop to check for a leaking head gasket in your Excursion. There are test kits available in the market in which you just have to insert a tube filled with colored liquid in the radiator (in place of the radiator cap), and then start the engine. If the liquid changes color, then there is a leak in head gasket.

Switch on air recirculation mode

When the outside temperature drops too low, the heating performance may be reduced in Excursion if the air conditioning system is set to outside air. To improve heating efficiency, it is recommended to switch on air recirculation mode. Don’t worry, there is no risk of suffocation, as the air recirculation mode still allows up to approximately 10 percent of the air coming from the air vents to be fresh air from the outside.

There are many reasons why the heater in your Ford Excursion is not working properly. When looking for the reason, you should start with the most obvious causes: low coolant level or air in the cooling system, and clogged heater core.

In any case, it is advisable for laypersons to visit a workshop. A professional mechanic can swiftly diagnose the heating issue for you.

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