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Amedee
Amedee, Jeep Technician
Category: Jeep
Satisfied Customers: 21809
Experience:  ASE Master Technician advanced level specialist. Wisconsin certified emissions state inspector
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95 Jeep Grand Cherokee: air conditioning..cold setting, hot air blows

Resolved Question:

my 95 Jeep Grand Cherokee air conditioning no longer blows cold air. In fact, even on the cold setting, hot air blows. What is the likely problem?
Submitted: 3 years ago.
Category: Jeep
Expert:  Amedee replied 3 years ago.
Hello!

If your air conditioning in not working, or working but not up to par, there can be a few different things that can cause this. There can be anything from restrictions in the system to your blend air door vents not working properly. First and foremost is look to see if your compressor is coming on. If all of your freon has leaked out or even if the freon level is a bit low, the computer will not turn on the compressor. This is to prevent damage to the compressor and the components. This is very common! If the compressor is cycling on and off, than the system is just slightly low on freon. This will cause the AC to work, but poorly. Look for moisture around the outside of the AC fittings. This will indicate a leak. If no moisture is detected, you might just be able to get away with recharge
Customer: replied 3 years ago.
but what if only hot air is blowing, like the system is on high heat?
Expert:  Amedee replied 3 years ago.
Then chances are you have a blend air door problem inside the dash
Customer: replied 3 years ago.
if that is true, how many hours labor is that likely to take? could there be a thermaster problem that it is stuck on high heat?
Expert:  Amedee replied 3 years ago.
DO you have auto or manual air?
Customer: replied 3 years ago.
Auto, though manual is always an option. This is a 95 Jeep Cherokee Limited with every possible option.
Expert:  Amedee replied 3 years ago.
What size engine do you have?
Customer: replied 3 years ago.
5.2L FI
Expert:  Amedee replied 3 years ago.
Excellent!

Then yes.. your head unit can be bad or you could have a bad blend air door motor or bad belnd air door.... it only calls for a little labor to replace each. According to my specs, it is less than 2.0 hours labor for each one..
Customer: replied 3 years ago.
How much does a new head unit cost?
Expert:  Amedee replied 3 years ago.
$654.00

Part number is XXXXX
Amedee, Jeep Technician
Category: Jeep
Satisfied Customers: 21809
Experience: ASE Master Technician advanced level specialist. Wisconsin certified emissions state inspector
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