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-   -   991 heating not working (https://rennlist.com/forums/991/793797-991-heating-not-working.html)

Augustomf 01-04-2014 12:26 PM

991 heating not working
 
So last week it got cold in Miami for the first time and I wanted to put the cabin at 76 degrees, needless to say the air still came out blowing a cool 63 degrees. Turned the air con off, put temp to HI, put into recirculating and still cool air coming out of the vents. I could not get warm air at all.

Any ideas?

Will take it to the dealer next week, but was wondering if I was doing anything wrong.

Zookie 01-04-2014 12:28 PM

I heard there is a Major Recall with the 991. Dealers are taking the 991's back and giving Customer 996's because my Heat still works :) lol just take it in and Warranty it man.

LexVan 01-04-2014 12:34 PM

Common problem. Dealer will fix. Skip the 996. Fugly headlights.

m33porsche 01-04-2014 12:35 PM

Its mentioned in this excellent review as a known recall issue

https://rennlist.com/forums/991/7925...iew-video.html

m33

John 996 TT Cab 01-04-2014 12:35 PM

It is not an uncommon problem. Apparently the vents sometime the vents have a problem opening on some cars. Dealer has the tool/guage whatever to diagnose the problem.

Zookie 01-04-2014 03:47 PM


Originally Posted by LexVan (Post 11024705)
Common problem. Dealer will fix. Skip the 996. Fugly headlights.

:( only the 996 MK1 :icon107:

pleahy 01-04-2014 05:52 PM

I had the same frustrating issue a few weeks ago. Dealer replaced heater control valve. Fairly quick warranty repair...works great now!

Ptech1 01-06-2014 03:52 PM

Becoming common. Vacuum switching valve for heater core bypass more than likely. One of the 5-8 for the cooling system depending on the version of 991. Warranty. Dealer. Go.

Augustomf 01-06-2014 04:00 PM

At the dealer as we speak. I know that having the first year of the new model I will be the Guinea Pig for all the little problems, and I have. However, the quality of the service I have received by The Collection in Miami is fantastic, so I have no complaints whatsoever. Today I got a CayenneS Hybrid with 1600miles as a loaner, cannot complain, although I wish they had the Caymans for loaners.

MrOutside 01-21-2014 06:15 PM

Did dealer repair heat issue? I only drove my 991 twice, but I seem to recall that even with temp set pretty high, I was still feeling cool air come out of the vents. I probably need to bring it in for a check

Zohan 01-21-2014 06:56 PM

;) Porsche figured you don't need any more heat in Miami

brucebell 02-24-2014 07:49 PM

My service adviser called this morning to say Porsche had just released a TSB today. He confirmed it is the solenoid as most of these threads already reported.

2013 C4S

MrOutside 02-25-2014 08:45 PM

Good to know. When I get back to the States, I'm going to confirm my initial suspicion that the heat was working properly last time I drove the car (early Jan) and then head over to dealer for fix. Assuming, of course, that the three feet of snow blocking my garage in northern NJ has melted. Like Bruce says, "I've got high hopes"

hawc 06-29-2015 12:50 AM

Glad I found this thread so I didn't have to start a new one.

Heater not working on my 2014 991 C2. Just stopped. Only cold air.

Will take it back to the dealer for a fix. Annoying as it was just there for another fix to the high pressure fuel pump.

I guess my car is being affected by all the common recall items.

Lawsofpower 06-29-2015 01:41 AM

I had same issue. Dealer fixed it ASAP.


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