Warm air from vents - Page 10 - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

new2subaru · 07-09-2020, 06:03 PM

Quote:

Originally Posted by Tcoat

Or... Just keep the car on recirculate so outside air isn't being forced through the heater core and into the cabin. No it will not stay on that setting but pushing a button after starting the car is not exactly difficult.

Didn't cross my mind. Too late to try it now

The HVAC is on it's way out anyways

ETA, that may solve the issue of the heat coming out of the vents but not heat entering the cabin (Your feet) It's an open loop design.

Tcoat · 07-09-2020, 06:25 PM

Quote:

Originally Posted by new2subaru

Didn't cross my mind. Too late to try it now

The HVAC is on it's way out anyways

ETA, that may solve the issue of the heat coming out of the vents but not heat entering the cabin (Your feet) It's an open loop design.

It pretty much eliminates all the heat coming in. May be a tiny bit of radiant but nothing you would even notice.

new2subaru · 07-09-2020, 06:46 PM

Quote:

Originally Posted by Tcoat

It pretty much eliminates all the heat coming in. May be a tiny bit of radiant but nothing you would even notice.

I've disconnected it and the heat loss was substantial. It made a huge difference in cabin temps IMO.

DucatiGirl · 10-05-2020, 12:35 AM

First time 86 owner and first post. Just read all 7 years of this thread and I am no closer to solving the warm air on vent issue. Tried a few suggestions (new cabin filter, various on/off with recirc and low setting switches) except the foil lining thing. Had an MR2 for decades (mid-engine) and a Prius (please don't judge) and neither had this blow dryer set to warm heat on your face setting. Guess it's windows down for a while. Appreciate all the creative/thoughtful suggestions though.

Tcoat · 10-05-2020, 06:30 AM

Quote:

Originally Posted by DucatiGirl

First time 86 owner and first post. Just read all 7 years of this thread and I am no closer to solving the warm air on vent issue. Tried a few suggestions (new cabin filter, various on/off with recirc and low setting switches) except the foil lining thing. Had an MR2 for decades (mid-engine) and a Prius (please don't judge) and neither had this blow dryer set to warm heat on your face setting. Guess it's windows down for a while. Appreciate all the creative/thoughtful suggestions though.

Do you have the GT with the automatic/dual zone HVAC? The recirculate method only works on the base models without the auto setting.
I have found that with the upgraded system just setting it to auto at a temperature I am comfortable at will stop most of the warm air form coming in the dash vents. Being auto it of course turns things on and off at what seems weird times but it works.

bee-jay · 10-06-2020, 01:27 PM

At times I'll turn on the AC for a few minutes and that seems to cool things down and cut down on the heat from the vents.

It seems to happen most just after a restart. ie home for lunch. warm air out the vents when everything is pretty much off. Outside ambient is cool. Like today. I'll turn the air on for a few miles and that seems to cool off the heater core.

to me it seems like the heater valve doesn't fully close (or core stays hot) and that's where the hot air is coming from.

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10-05-2020, 12:35 AM	#130
DucatiGirl Junior Member Join Date: Oct 2020 Drives: Toyota 86 GT Location: SoCal Posts: 3 Thanks: 0 Thanked 3 Times in 1 Post Mentioned: 0 Post(s) Tagged: 0 Thread(s)	First time 86 owner and first post. Just read all 7 years of this thread and I am no closer to solving the warm air on vent issue. Tried a few suggestions (new cabin filter, various on/off with recirc and low setting switches) except the foil lining thing. Had an MR2 for decades (mid-engine) and a Prius (please don't judge) and neither had this blow dryer set to warm heat on your face setting. Guess it's windows down for a while. Appreciate all the creative/thoughtful suggestions though.

10-06-2020, 01:27 PM	#132
bee-jay Senior Member Join Date: May 2014 Drives: 2014 BRZ LTD WR Blue Pearl Location: Eastern, PA Posts: 128 Thanks: 4 Thanked 71 Times in 41 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	At times I'll turn on the AC for a few minutes and that seems to cool things down and cut down on the heat from the vents. It seems to happen most just after a restart. ie home for lunch. warm air out the vents when everything is pretty much off. Outside ambient is cool. Like today. I'll turn the air on for a few miles and that seems to cool off the heater core. to me it seems like the heater valve doesn't fully close (or core stays hot) and that's where the hot air is coming from.

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