Can R12 replace R134a?
No. Federal law prohibits topping off an R12 system with a different refrigerant. Or you can convert the system using one of our R134a retrofit kits, that will allow you to now add 134a refrigerant to your automotive air conditioning system.
Why does the AC not come on in my Jeep Cherokee?
If they are lower and the compressor did not come on, then it is undercharged and needs Freon to make the low side switch come on and activate the compressor. Start the car and turn the AC on. Open the low side only valve and allow the charge to build to 30 lbs. on the low side and 150 lbs. on the high side.
How to troubleshoot the air conditioning on a Jeep Liberty?
Unscrew the blue valve cap and screw on the air conditioning pressure gauge. Turn the knob on the pressure gauge counterclockwise to allow pressure into the gauge. Check the gauge reading. Your AC pressure gauge should be color coded.
Where does the Freon go in a Jeep Cherokee?
From the dryer the Freon flows through an H-block, which is similar to an orifice tube in function, where it turns the liquid Freon into a fine spray or vapor. This vapor or spray moves through the evaporator and absorbs the heat within the cabin and returns to the compressor.
When do you need a compressor in a Jeep Cherokee?
If the compressor makes a lot of noise or the clutch will not engage properly, it also requires a compressor. If the high side is very high and the low side normal or low, the condenser is plugged up and needs to be replaced.
What are common reasons my Jeep Cherokee has air conditioning problems?
What are common reasons my Jeep Cherokee has air conditioning problems? While there are a variety of reasons your Jeep 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 should the AC read on a Jeep Cherokee?
They should read 29 to 30 lbs. on the low side and at least 150 on the high side (with the engine off). If they are lower and the compressor did not come on, then it is undercharged and needs Freon to make the low side switch come on and activate the compressor. Start the car and turn the AC on.
Is the a / C working on my Jeep Wrangler?
Enter your ride HERE to be a part of MAY’s Ride of the Month Challenge! My 06 Jeep Wrangler’s A/C is fully charged ( it’s been checked ) and the blower is working fine on all settings, but it’s blowing hot air.:
From the dryer the Freon flows through an H-block, which is similar to an orifice tube in function, where it turns the liquid Freon into a fine spray or vapor. This vapor or spray moves through the evaporator and absorbs the heat within the cabin and returns to the compressor.