What kind of air conditioner does a Jeep Grand Cherokee use?
The Cherokee takes either R12 or R134a Freon, but the system is only intended for one or the other. Adding R12 to an R134a system causes damage to the air conditioner. R12 is used in vehicles predating 1984. Vehicles manufactured 1984 and later are required to use R134a. The Jeep Grand Cherokee’s air conditioner is a pressurized system.
Why does the a / C quit blowing on my 1999 Jeep Grand Cherokee?
The A/C (and heater) quit blowing on my Dad’s 1999 Jeep Grand Cherokee a while back so I took a look at it. The fresh air/recirculate blend air door seems to have broken up in the air duct causing it to suck up against the blower intake and stop all the air flow.
What should I do if my Grand Cherokee AC is not working?
Start by inspecting the condition of the cabin air filter on your Grand Cherokee. Instead of changing it directly, it is often recommended to first clean the pollen 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.
Can you add Freon to a 1999 Jeep Grand Cherokee?
If there is a problem with your compressor or evaporator, adding freon will not restore cooling. How to add freon to your 1999 Jeep Grand Cherokee: hook up the can of refrigerant (likely r-134a) to the low pressure port. When your compressor kicks on, add freon to the correct pressure.
Why is the air conditioning not working on my Jeep Grand Cherokee?
What are common reasons my Jeep Grand Cherokee has air conditioning problems? While there are a variety of reasons your Jeep Grand Cherokee air conditioning won’t work, the most common 3 are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor.
What is the a / C system on a Jeep Grand Cherokee?
The A/C system in your Grand Cherokee 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.
Why does my 1999 Jeep Grand Cherokee blow hot air?
When the air conditioner in your 1999 Jeep Grand Cherokee 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.
Where are the air conditioning pipes on a Jeep Grand Cherokee?
Both are located on Cherokee’s aluminum air-conditioning pipes, which can be found centrally in the Grand Cherokee’s engine compartment. Pop the Jeep Grand Cherokee’s hood. Find the air-conditioning system’s aluminum pipes.