Question about 1999 Jeep Grand Cherokee

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My 1999 jeep grand cherokee has freon in it but still won't cool

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Having freon and having the correct amount are two different things. You need to have a gauge set put on there. Additionally there are far more controls on newer (ones that use R134 instead of R12) air conditioners that all need to be working in order for it to get cold. Most A/C test equipment is expensive and the only real way to justify the expense would be to use it every day or so (as a working tech)
Thjerefore, though expensive, your best option is to have a reputable shop look it over. I definitely do not recommend using any of the sealant laces "repair kits" available either as they tend to gum up the expensive units used at many shops.
Hope what ever the repair is, it's not too expensive.
I can't tell you what is wrong with your unit, but can save you from spending unnecessary $ that won't fix it!!!

Posted on Apr 28, 2010

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1995 grand jeep cherokee won't take freon why

You do know the compressor must be running to allow the system to be charged, right ?
If the system is low you have to jumper the low pressure switch or otherwise provide power to the compressor to put new cans of freon in.
And it will only go in on the low side of the system, which should be the only side you can connect the hose to.

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Jeep is not cooling. I may be out of freon. How long does freon last in a jeep grand cherokee limited 6 cylinder?

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1999 Jeep Grand Cherokee Laredo Ac takes to long to get cold.The air flow is okay is just when you turn on the AC it takes to long to start cooling off. I have taken it in to have it check it out they tell...

That is well expected to take longer to cool if your in a very hot climate. Also the man made freon does take longer to cool than the old outlaw freon did

Jan 20, 2010 | 1999 Jeep Grand Cherokee

1 Answer

Cooling system

All the parts that you mentioned are the correct parts that you need to check if there's a problem with the cooling system in your jeep. It's just that you missed to check two (2) things:

1. Freon
2. Leak

If there's a leak in the copper tube, your car will run out of freon. If the freon is low, then the jeep will not get cool.

Contact an A/C tech to check if there's a leak, fix it and recharge your jeep with freon.

Have a great day!

Oct 04, 2009 | 2002 Jeep Grand Cherokee

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1999 Jeep Grand Cherokee AC high pressure switch tripping.

did you add freon to your system if so how much try letting some out.

Jun 10, 2009 | 1999 Jeep Grand Cherokee

1 Answer

94 jeep cherokee ac blows cool on medium only. recent recharge freon help cool more.

could be anything overcharging the system, freon leak faulty componets like compressor or clogged lines or orfice tube or dirty evap. coil check for 12 volts comming into the blower motor with ur switch on high if ur getting 12 volts at the plug then replace ur blower motor

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