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It's an electrical issue as I've been trying to get to the bottom of mine for a while. I have a new switch, blower, actuators, actuator motors, compressor, accumulator, etc all new in my truck. The ac turns off on its own and back on by itself. It even affects the switch for the heated mirrors. After I installed my new ac system, I then connected my Autel shop scanner to my truck to try to pinpoint the issue which is electrical. I'll be more than happy to share what it is once I find the exact problem
You may need to replace the reostat in the heater box. Do you have the hi speed only? Only have off and I, then it is definitely that switch in your box. You can easily replace it.
first need to see if a/c compressor is coming on ,then see if if it is check ac level ,but dodges are bad about doors in there system but the ac still blows out somewhere cold
low coolant. disconnected or faulty servo to control difference between hot and cold or the heater core could be clogged. if it warms up when reving the engine then it is probably low coolant.
Have you checked the coolant level? What you describe is exactly what happens if the coolant level is low. When stopped at idle, hot coolant is not circulating through the heater core, so no heat. As the engine increases in rpm's when you pull away from the light, the water pump is spinning quicker, and some coolant is making it to the heater core. So check the level, and if it is low, keep an eye on it to see if it drops again. That of course indicates a leak somewhere. Get it fixed, as overheating the engine leads to costly repairs and worse case a new engine. Let me know how you make out with this.
sounds like a leaking heater core, that explains the liquid. and i 've done heater core jobs on a dodge ram and it is kinda costly, approx, 5 to 7 hours depends on whos doings it.
The problem with your ac is the vent door has broken off and is blocking air from getting to the blower. To check and see if this is your problem you will need to remove the blower. The blower is located on the passenger side. You will need to remove three screws located on the blower using a 8mm socket. Once you have the blower removed reach inside and feel for the vent door. If it is broken you can remove it. However, you will need to get this fixed by a mechanic.
I have the same truck with the same exact problem. Mine also stopped blowing while pulling a camper and indeed it is the clutch on the A/C. I was told if you can find someone in your area that can actually rebuild the compressor and not put a new one in you can come out alot cheaper! Also if you crank your truck and turn the A/C on look under the truck on the passenger side at the compressor and take a tool of small hammer and tap the compressor in the middle and it should come on and run the a/c for a little while! I did this until it finally went out and it worked! Might buy you some time!
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