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This is not a single case, it's a problem for almost all new RAM 1500 apparently? This need to be a recall and need to be fixed completely. Those do not have AC performance issues actually have something wrong with the car. They need to have a case to be escalated to check why the AC is not...
Just got my service manual and there are steps to clean evaporator.
I am not able to access the drain tube yet. I am going to find a garage to lift the car to check.
BTW: Below is the thread about how I was fooled by dealer
https://5thgenrams.com/community/threads/got-fooled-by-dealer.10293/
I posted a thread about musty smell: https://5thgenrams.com/community/threads/musty-smell-after-turn-off-ac.9652/
It was followed up by ram care and a case was created. I went to the dealer dropped off the car and they told me they checked multiple times but nothing wrong. Same story they told...
I just did an experiment and do confirm there must be heat leak.
I turned off AC. Run fan only. Temp set to LO. Outside temperature is 75 degree. However, the driver vent temperature is 91 degree which should be 75 degree!
I am going to do same test on my other two cars to compare.
When I pull out the rear seats to check if there is any sign of previous leakage, I noticed there is rust on both rear seats. Is it normal ?
I didn't see anything abnormal on other places yet....
Mine was built at Feb, 2019. Just did a test today, above 50 degrees on all vent. One is close to 60 degrees. Set to LO and recirculation..
And also, a few days ago, I noticed musty smell when switched from AC to fan on when AC starts.
I am doing further test.
There are two:
81-370-19074-SUSB 2019 Ram Truck 1500 DT- Service Information SUSBe
81-370-19064-SUSB 2019 RAM 1500 Pickup - Service Information SUSBe
I am considering to buy one , but not sure which one ...
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