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Go Back   TDIClub Forums > TDI Model Specific Discussions Areas > VW MKVII-Mk7 Golf family including Golf Wagon (~ 2015 +)

VW MKVII-Mk7 Golf family including Golf Wagon (~ 2015 +) Discussions area for the Mk7 (2015+) Golf and Golf Wagon TDIs based on the MQB (Modularer Querbaukasten) platform.

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Old June 14th, 2017, 05:23   #46
740GLE
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Drove the Alltrack in 95 degree temps on Monady, mixed short highway and country roads, total of 20 miles or so. With fans on 3, full AC with recirc on, never saw temps under 40 degrees with a prob in the center vents.

While it cooled the car to a tolerable level, I wouldn't have wanted to turn the fans down to 1-2 which is what I'd rather be driving around with.

I'll have to check the VCDS tweak, cheap fix if it works.
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Old June 14th, 2017, 06:08   #47
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SWMBO! That is why I am spending my time these days renovating the kitchen.
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Old June 14th, 2017, 06:13   #48
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Quote:
Originally Posted by 740GLE View Post
never saw temps under 40 degrees with a prob in the center vents.
40 or low 40s sounds good to me. I think that Dad said his car put out air just under 50 with outside temps in the 80s. I will see what readings he gets in the next few days assuming the dealership returns his car today.

Last edited by Funguy; June 15th, 2017 at 20:46.
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Old June 15th, 2017, 14:25   #49
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For comparison, our 1991 350 SDL is designed to supply 52F air to the vents (similar to what commercial building HVAC systems will supply in cooling mode). It still cools just as well as the VWs because it supplies that temperature at a much greater airflow. The idea behind the higher supply temperature is that it isn't "too cold" on the occupant's skin, but it still provides the total cooling capacity of a system that runs less airflow and a colder supply temperature.
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Old June 15th, 2017, 15:41   #50
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My 1993 300D has the coldest A/C and the most volume airflow of any car I've owned, although the BMW 335d isn't too shabby either.
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Old June 15th, 2017, 17:15   #51
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My brand new (old) 2015 GSW has an AC issue. On my 30 minute commute home today it didn't come on until I turned it off and turned it on in my driveway. It has a major delay if it ever decides to come on. Plus it seems pretty weak when it is on. Taking it back to the Dealership next Wednesday which is the first available. GRRRRRRRRRRRRRRRR.......
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Old June 15th, 2017, 17:18   #52
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Quote:
Originally Posted by Ted Hurst View Post
My brand new (old) 2015 GSW has an AC issue. On my 30 minute commute home today it didn't come on until I turned it off and turned it on in my driveway. It has a major delay if it ever decides to come on. Plus it seems pretty weak when it is on. Taking it back to the Dealership next Wednesday. This sucks because I was planning my first major road trip, with my son, in the car to Cincinnati this weekend and now I think I"m staying home. Thanks VW. Your AC sucks. :-(.
Your symptoms sound identical to what I described above as the same RCV problem VW has been plagued with for years.
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Old June 15th, 2017, 20:47   #53
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Quote:
Originally Posted by Ted Hurst View Post
My brand new (old) 2015 GSW has an AC issue. On my 30 minute commute home today it didn't come on until I turned it off and turned it on in my driveway. It has a major delay if it ever decides to come on. Plus it seems pretty weak when it is on. Taking it back to the Dealership next Wednesday which is the first available. GRRRRRRRRRRRRRRRR.......

Please let us all know the diagnosis.
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Old June 16th, 2017, 03:05   #54
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Quote:
Originally Posted by Ted Hurst View Post
My brand new (old) 2015 GSW has an AC issue. On my 30 minute commute home today it didn't come on until I turned it off and turned it on in my driveway. It has a major delay if it ever decides to come on. Plus it seems pretty weak when it is on. Taking it back to the Dealership next Wednesday which is the first available. GRRRRRRRRRRRRRRRR.......
Storing vehicles for months IS a hazard.

Part I do not understand is: We do not run the A/C for 5-7 months at a time. But nothing (generally) go bad for years.

These car were "sitting" for at most, 30 months(?)

TED, let us know what happens.
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Old June 16th, 2017, 07:06   #55
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Quote:
Originally Posted by 2015vwgolfdiesel View Post
Part I do not understand is: We do not run the A/C for 5-7 months at a time. But nothing (generally) go bad for years.

That's why I use A/C at least once every couple of weeks in the winter, usually in the form of defrosting the windshield. Keep that compressor lubed up and exercised!

Saw something similar with my Gen4 4Runner. It was a best practice to engage 4Hi and 4Lo once a month or so as some people who went a year or more would get a stuck actuator and couldn't engage 4wd.
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Old June 16th, 2017, 07:22   #56
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Quote:
Originally Posted by Blue_Hen_TDI View Post
That's why I use A/C at least once every couple of weeks in the winter, usually in the form of defrosting the windshield. Keep that compressor lubed up and exercised!

Saw something similar with my Gen4 4Runner. It was a best practice to engage 4Hi and 4Lo once a month or so as some people who went a year or more would get a stuck actuator and couldn't engage 4wd.
Yes.

Forgot to say, I too, do use the A/C in the winter (from time to time) to clear the windows.
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Old June 16th, 2017, 07:26   #57
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On the newer cars I think the A/C Compressor is engaged when the HVAC is on defrost and the outside temperature is above 45. So odds are it's getting use during the winter regardless.
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Old June 19th, 2017, 13:49   #58
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Update: Took my "new" 2015 GSW in for the 1,000 mile check-up on Saturday and the dealer recharged and tested the system. It seemed better yesterday in our humid 85 degree weather. Hopefully that's fixed it! I'll know for sure in mid-August.
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Old June 19th, 2017, 13:56   #59
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Good Luck. I remember the humidity over there. Hope you'll be chilled!
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Old June 19th, 2017, 13:56   #60
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I enjoyed reading this thread. I just got my HVAC cert. about a month ago so my mind was enjoying the read. Bob is on point with his contributions. I bought my 15 wagen just before the emissions thing broke.... like 3 days before. As the temps rise this time around here in south Texas I have started to question the A/C a bit. However it does put out a nice temp dif. One thing that I thought about was humidity. We all have to factor that into play. I think thats what bob was getting at with all the "feels" and "seems" people said. If your like me and live in a humid ass area temp ranges will "feel" different for sure.
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