Question about 2004 Ford Freestar

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2004 Freestar ac not working, put coolant in and was just working in the front. Now it isn't cooling again and the coolant pressure is fine and compressor seems to be engaging. What might be the problem?

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Actually the pressure reader i think is sensing pressure from the compressor.You may have a leak on the low side,between the condenser and the tank.

Posted on Jul 22, 2010


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Cooling fans run at cold start

That may be normal depending upon what you are doing in the vehicle. If you have the climate control system set to defroster, most vehicles run the AC system to avoid fogging. Anytime the AC system is engaged the cooling fans must run. Make sure you don't have the AC or defroster on and try again. If the fans still run it could be a faulty fan switch.

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IF you use a lot of engine oil then the engine rebuild was not done correctly and the oil is being burnt off in the cat converter. Any more than 1/2 pint in 5.000 miles is excessive. IT would be wise to have the ac pressure tested as you may have high head pressures being generated which will stop the compressor from working. The high head pressures may be from the fact that the fan in front of the condenser is not working or the coolant fan is not working for the engine causing the rise in temp at idle as there is no cooling air through the radiator for both the ac and engine.

Aug 16, 2013 | 2004 Kia Rio

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Coolant system

you have to drain cooling system and disconnect cooling fan electrical connector and remove the cooling fan shroud assembly with need quick disconnect coupling tool to detach the transmission cooler lines from the can buy quick disconnect tool at any auto parts stores.

May 18, 2013 | 2004 Ford Freestar

2 Answers

Ac works great in the rear but not in the front

My 2004 freestar has the same problem. I hate this car it is the worst car I have ever owned.

Aug 24, 2012 | 2004 Ford Freestar

2 Answers

Coolant Leak intermittently

use a pressure tester on the cooling system, that should show you were its coming from with out getting thr engine to hot for you to work on.

If you need further help, I’m available over the phone at

Jan 24, 2018 | 2005 Ford Freestyle

2 Answers

Is low pressure connection for ac

should be on pass side rear of engine compartment

Jul 24, 2010 | 2004 Ford Freestar

2 Answers

2004 Ford Freestar Air Conditioner Problem

i all so have a 04 freestar ac get frez cold on passge side driver side and rear get some what cool. do u have a aswer please

Jul 07, 2010 | 2004 Ford Freestar

1 Answer

How do i change the coolant/flush radiator in 2004 ford freestar

Open the petcock on the bottom of the radiator and allow the old coolant to drain.

Close the petcock.

To refill you will first fill the degas container to the cold fill range, leave the cap off the canister. Turn all of the heater controls to warm and turn fan to full. Idle the engine until the thermostat opens. Top off the coolant and put the cap back on. Idle at 3000 RPM for several seconds and then idle again for a minute or so. Check the level and then repeat this 4 times, or until heat is coming from the front and rear heat units.

If you want to flush the system you will have to remove the thermostat and hook up your flush system to the radiator hose at the thermostat housing. Follow the instructions on your flush system then put the thermostat back in. Follow the instructions above to refill.

Dec 12, 2009 | 2004 Ford Freestar

1 Answer

2004 ford freestar air conditioning compressor seems to be coming on however no real cooling at all, could the compressor be bad or is there something else that could cause this issue, I know it is a...

Actually, it is very common to be low on coolant. In fact that is the most common cause of your problem. If you are not comfortable doing this your self you will need to go to a shop and have the AC serviced. It is fairly easy. GO to Auto Zone and purchase one of the refill or cool boost cans with a gauge on it. Locate the low pressure side, this is easy in that the fitting on the can will only fit on the low pressure side. Start the vehicle and set the AC to MAX cool. Follow the directions on the can to fill your system. R134a works on pressure in the system. If the pressure falls the cooling falls that is why you felt the cooling better when driving on the highway than you did in traffic. Make sure you don't overfill the system. If you do it is possible that you will damage a seal and end up having to replace the compressor. Good Luck.

Sep 12, 2009 | Ford Freestar Cars & Trucks

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2004 ford freestar drivebelt

All you need is a 13mm boxed end wrench. The tensioner pulley is the one all the way on the bottom towards the rear of the van. You can reach it under the van. Slide under the van in front of the passenger front tire and you will wee the pulley. Put the wrench on the bolt and pull towards you to release the tension on the belt.

Jul 17, 2008 | 2004 Ford Freestar

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