A/C Performance

[813Hemi]

Has any one encountered this problem with their 5th Gen ram.

I noticed on my first morning drive to work. That tge A/C was coming up from the defrost vents. Since I'm in FL the condensation started building up on the front window. I had the front vents on no defrost and temp set at low, and recyle on. Attached photos.

The truck had 50 miles on it.

Took it by the dealer, and they said it was normal.. which I called B.S..

Has anyone encountered this problem..

Thanks

A/C sucks at cooling the cabin but it will freeze out my windshield every time just like that

 

[go-ram]

A/C sucks at cooling the cabin but it will freeze out my windshield every time just like that

I wonder if there are maybe two things going on here. (1) The system is directing majority of airflow to the windshield defroster outlets even though you want it to come out of the dash vents, and (2) The compressor + evaporator are just not performing well enough to pull moisture out of the air.

In the hot months, many were concerned that the air-conditioner performance was much lower than expected, which would explain the tepid (i.e. not very cold) air coming out of the dash vents. And if the AC system overall is not performing up-to-par, that would also cause poor defrosting performance in the cool, humid months, because it's ability to draw moisture from the cabin air is directly related to how cold it can get the evaporator coil.

My impression so far is that Ram has issues both with system control (where to direct the air, whether or not the compressor should be on, etc.) as well as sub-par compressor+evaporator performance in some vehicles (whether insufficient Freon charge, or contamination in the system, or a bad valve somewhere, etc.).

 

[Bacoviah]

Well with it cooling off the complaints will be gone but with more and more rams hitting the road......there will be an issue that ram will have to resolve next summer.

 

[Clift567]

A/C sucks at cooling the cabin but it will freeze out my windshield every time just like that

I got the truck back yesterday, the dealer said it was normal for the A/C to blow the defrost... This truck just completely blows.....All of the issues i have with quality control just **** me off.

 

[MSchnLoneStar19]

3rd Day in my Truck, just picked it up on Saturday.

A/c set at 68F. Vents blowing at 71.5F to 73F.

It seemed warmer when I switched to Cabin Recirculated Air.

I’ll do some more testing this week, but, plan on taking it in to see Refrigerent Level or if they can make an adjustment.

 

[Smoot178]

Wanted to bring some interesting information up. The other day I used Max A/C for the first time since I first bought the truck and was testing A/C performance. When I use Max A/C, the electric cooling fans in the engine bay go to 100% and stay there. I could swear they didn't do that when I was testing back when I bought the truck in October...

 

[768mph]

Wanted to bring some interesting information up. The other day I used Max A/C for the first time since I first bought the truck and was testing A/C performance. When I use Max A/C, the electric cooling fans in the engine bay go to 100% and stay there. I could swear they didn't do that when I was testing back when I bought the truck in October...

Any updates recently? What changed besides time?


Sent from my iPhone using Tapatalk

 

[Smoot178]

Any updates recently? What changed besides time?


Sent from my iPhone using Tapatalk

I've had alot of updates to the vehicle. Perhaps it's also part of the break in program, letting the engine run hot or something. Idk.

 

[Kamikaze6780]

I get cold air on my Laramie.

I noticed something between the 12 inch screen and the 8.4 inch screen. I noticed the AC is a bit weaker on the trims with a 12 inch screen vs trims with an 8.4 inch screen. I tested quite a few and at two different dealerships. I think, at least from my experience, the 12 inch screen produces much more heat resulting in a little bit warmer AC. The production of heat spreads so this could in fact transfer warmth over or near the AC where the air is coming through.

 

[larrylaramie]

These ac issues are really the only thing stopping me from buying a 2019 ram vs a ford or gm. Well that and the trailer tow mirror 360 view issue. so hard to find inventory without the tow mirrors.

 

[go-ram]

These ac issues are really the only thing stopping me from buying a 2019 ram vs a ford or gm. Well that and the trailer tow mirror 360 view issue. so hard to find inventory without the tow mirrors.

The AC performance thing is still unsettling, it'll be interesting to see if they've fixed that issue by the time spring rolls around and the weather begins to heat up again. I hope Ram has addressed the issue.

Don't the newly-introduced 2019 HD Rams have 360-degree view with their tow mirrors? If so, wouldn't that mean that the 1500s should have 360-degree view tow mirrors maybe next model year? Just guessing/hoping.

 

[jloops]

Hello Everyone,

Would you mind sending me a direct message with your VINs. I've been passing them along to an internal resource for further review and don't think I have all of them from this thread.

Thanks!

Jasmine
Ram Social Care Specialist

I have no notable sound difference when I switch to MAX AC. I don't really feel any difference in the temperature either. In my previous RAMs when I switched to MAX AC the fan got louder and it blew harder and colder. Anyone else experience that issue?

 

[mxracer32]

has anyone compiled a list of poor ac performance associated with people that have the pano sunroof +12" screen, vs people who dont? I am curious to know if all the people happy with their ac system are people without these 2 (or just 1) option.

 

[go-ram]

has anyone compiled a list of poor ac performance associated with people that have the pano sunroof +12" screen, vs people who dont? I am curious to know if all the people happy with their ac system are people without these 2 (or just 1) option.

Let's not confuse the fact that a large cabin and a pano roof and (maybe, barely, a 12" screen - but that's a real stretch) will take longer to cool down, with the fact that many of these trucks just don't produce cool enough air. Those are two entirely different issues.

When a 15-year-old car produces cooler air out of the ducts within seconds, while a brand-new $60,000 vehicle (which is the very latest in automotive technology & design) can't produce air as cool in five minutes of running, then there is absolutely something wrong with the newer vehicle.

Again, don't confuse the time it takes to cool a large cabin with the time-to-low-temperature out of the ducts. If the system can't produce cool air right away coming out of the ducts, of course it takes longer to cool the cabin. And, yes, physics tells you that a vehicle with a large pano roof will run warmer overall than one without the huge glass roof. The issue with some of these 2019 Ram 1500s is that the AC system is not producing cold enough air in the first place.

 

[djwdjw]

Let's not confuse the fact that a large cabin and a pano roof and (maybe, barely, a 12" screen - but that's a real stretch) will take longer to cool down, with the fact that many of these trucks just don't produce cool enough air. Those are two entirely different issues.

When a 15-year-old car produces cooler air out of the ducts within seconds, while a brand-new $60,000 vehicle (which is the very latest in automotive technology & design) can't produce air as cool in five minutes of running, then there is absolutely something wrong with the newer vehicle.

Again, don't confuse the time it takes to cool a large cabin with the time-to-low-temperature out of the ducts. If the system can't produce cool air right away coming out of the ducts, of course it takes longer to cool the cabin. And, yes, physics tells you that a vehicle with a large pano roof will run warmer overall than one without the huge glass roof. The issue with some of these 2019 Ram 1500s is that the AC system is not producing cold enough air in the first place.

^^^^ this has been my test results with a digital thermometer, so far. The air coming out of the vents is ~~ +10F warmer than the other cars in my driveway I have tested. My older cars also produce air in the high 30s within seconds out of the ducts, this truck produces are in the 50s. And someone posted an FCA doc that says this is within spec.

During winter it is not a top priority problem. In another 5 months a lot of us will be likely be focusing on this. Hopefully there will be a fix by that time.

Between now and then invest in an inexpensive digital thermometer so you can help make the point with real data.

 

[EMS_Pilot_66]

Something I noticed today oddly enough at 47*F outside (yes my ac kicked on while set to auto and both sides set to 69*) was that
1. The pax side vent was blowing cold air while my side was less than cool air from the center vents. The only way to get the colder air comparable to the pax side was to turn down the drivers side to the 50s. Again I’ll be watching this closely as it gets warmer here in the Midwest.

2. That if you select the windshield defroster manually the a/c lights up also. Meaning(to me) that the defroster is set to use the a/c system instead of the heater. Can anyone else confirm or deny #2?

 

[2wd]

2. That if you select the windshield defroster manually the a/c lights up also. Meaning(to me) that the defroster is set to use the a/c system instead of the heater. Can anyone else confirm or deny #2?

Confirmed. Though I've seen other vehicles do this as well.

One related complaint is this is the first auto climate control vehicle i've had (where you set the temp and let the vehicle do the work) where it blows before it's up to temp. Meaning - other cars with this setup won't blow cold air to heat the vehicle until the engine is warm. This truck is blasting air well before the truck is warmed up in auto mode. Other cars I've had wait until the car is warm before blowing air (to warm the vehicle).

 

[RamCares]

Hi Everyone,

As of today, 2/15, there has been a TSB released that sounds similar to the concerns that you are describing. As the Customer Care Team, we are unable to diagnose your vehicle and confirm that this will apply to your Ram, however, we highly recommend that you discuss the following Technical Service Bulletin with your servicing Ram dealer:

TSB 24-001-19:



As always, if you have any questions, please feel free to send us a private message.

Darlene
Ram Social Care Specialist

 

[sticker500]

Hi Everyone,

As of today, 2/15, there has been a TSB released that sounds similar to the concerns that you are describing. As the Customer Care Team, we are unable to diagnose your vehicle and confirm that this will apply to your Ram, however, we highly recommend that you discuss the following Technical Service Bulletin with your servicing Ram dealer:

TSB 24-001-19:

View attachment 16211

As always, if you have any questions, please feel free to send us a private message.

Darlene
Ram Social Care Specialist

YAY, thanks for addressing this!

 

[Deriggs007]

My temps seem to be pretty decent and powerful for me. Actually pretty darn strong to the point I just turn them down. I live in south Texas so the REAL test will be summertime, but we're expecting 86 degrees this weekend. Which is about as good as it'll get until official spring/summer time.