Hot transmission tunnel

On my 2.0L RWD, RHD, have not noticed any heat issues in the Qi charging area, transmission tunnel or cup holders. All seem slightly warm to the touch and its constant 30 to 34 degrees Celsius here in tropical Singapore during the day. The sunroof and frame do get hot under the sun though but thats probably due to the black glass absorbing direct solar heat from the sky.
 
On my 2.0L RWD, RHD, have not noticed any heat issues in the Qi charging area, transmission tunnel or cup holders. All seem slightly warm to the touch and its constant 30 to 34 degrees Celsius here in tropical Singapore during the day. The sunroof and frame do get hot under the sun though but thats probably due to the black glass absorbing direct solar heat from the sky.

good to know Rob!
 
Just wanted to weigh in on my experience today. Drove 90 miles twice (down and back), no heat whatsoever around the front of the console. US GT2 model, 70F outside, AC on (I like it cold), ranging between 75 and 80 mph.
 
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And I keep checking from time to time. No extraordinary heat, even in the base of the cupholders. Thinking this is related to those models with the wireless chargers. Just a guess.
 
In short, the car was a blast to drive and behaved flawlessly - after we turned a dial.

As many here have experienced, the transmission tunnel and charging pad were heating up beyond comfortable.

We also noticed, that at the same time, the two rear heating vents in the console, facing the rear seats, were blowing really hot air.
There is a little wheel between the vents. Once we turned that down, the hot air stopped being expelled and the hot transmission tunnel became a non-issue.
There appears to be a connection between the functionality of the rear air vent and the temperature of the transmission tunnel.


The hot transmission tunnel syndrome did not reappear after the rear vents were turned off.

The solution for this thread is here:

Turn the REAR temperature down - it is completely independent of the front cabin settings

The rear heat uses its own heater core which is why there are hot water (coolant) lines running down the tunnel.
They're obviously using a control valve that opens when REAR heat is set to high enough setting.

From owners manual:

• Rear seat
Turn the rear seat temperature control knob to adjust temperature.

The front and rear seat side temperature is adjusted individually ( Some bad Korean translation)

kia-stinger-rear-air-vents.jpg

2018-Kia-Stinger-Interior-featured.jpg
 
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DUH, Thanks! I'm having the same issue and the setting was in the middle. I will find out on the next time I drive.
 
DUH, Thanks! I'm having the same issue and the setting was in the middle. I will find out on the next time I drive.
Made no change to me. All the heat is in the front underneath and in front of the console. Also down with foot peg area.
 
Made no change to me. All the heat is in the front underneath and in front of the console. Also down with foot peg area.

Well that is disappointing to know.... Does the AC help at least? As I will be in the same climate as you this summer and I have had concerns about it. :(
 
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Well that is disappointing to know.... Does the AC help at least? As I will be in the same climate as you this summer and I have had concerns about it. :(
Yes the A/C completely cools the whole area down. I'm not sure but it must turn some existing "ON" vent off when A/C is applied. Trouble for me is when I don't want the A/C on and the weather is semi-hot then it heats up. Dealers mechanic said if you have the climate control switched on it will stop vent from venting hot air from the "Heater core" pipe. So basically run the climate control at all times to stop vented heat.
 
I did have the heat on in the rear vents once switched off my tunnel did not heat up above room temp
 
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From interior to exterior to high performance - everything you need for your Stinger awaits you...
.....and we are baaack! Arrived 48 hrs ago from a 6 week - 5000 km round trip to Florida :)

In short, the car was a blast to drive and behaved flawlessly - after we turned a dial.

As many here have experienced, the transmission tunnel and charging pad were heating up beyond comfortable.

We also noticed, that at the same time, the two rear heating vents in the console, facing the rear seats, were blowing really hot air.
There is a little wheel between the vents. Once we turned that down, the hot air stopped being expelled and the hot transmission tunnel became a non-issue.
There appears to be a connection between the functionality of the rear air vent and the temperature of the transmission tunnel.

I have an oil change coming up and will have the dealer's service department have a look at it. But as a short-term solution, turning off the rear heat worked for us. :)

Edit: I should add, that our daily runs were 7 to 9 hours. Temperatures varied from 31C to -2C.
AVERAGE speed was >115 km (distance vs. time), where possible, speed varied between 125 and 137 km/h. On some mountain stretches, my wife told me we were @ 155 to 179 km.
The hot transmission tunnel syndrome did not reappear after the rear vents were turned off.

Moinmoin FTW; turned the rear dial to full cold and no heating of the cup holders or in the phone charge area. Problem solved.

Can now be considered another feature of the car, when storing coffee in cup holders turn rear dial to hot, when carrying soft drinks turn dial to cold.

Not even Rolls Royce has a temperature controlled cup holder, another first for the Stinger!
 
I did a 200 mile trip on Sunday, doing 80mph non-stop (well one splash and dash) with Adaptive-Cruise-Control on, and my tunnel was baking ... and my wireless charger was so hot you couldn't touch for more than a few seconds. No I didn't use wireless charging or eve have my phone there, and the lid was open.

In fact after 120miles I had to manually put the AC to DOWN only, fan to 2, and temp to 19deg to keep everything cool ... it didn't stop the heat altogether, but did reduce it from very hot to warm. My left leg was sweating before I sent the AC below (remember RHD car) , but after the AC went there it felt more comfortable ... but still worried that things shouldn't be getting that HOT!

Anyone get any more updates on this issue? (Yes I've seen the rear AC post above)
 
I did a 200 mile trip on Sunday, doing 80mph non-stop (well one splash and dash) with Adaptive-Cruise-Control on, and my tunnel was baking ... and my wireless charger was so hot you couldn't touch for more than a few seconds. No I didn't use wireless charging or eve have my phone there, and the lid was open.

In fact after 120miles I had to manually put the AC to DOWN only, fan to 2, and temp to 19deg to keep everything cool ... it didn't stop the heat altogether, but did reduce it from very hot to warm. My left leg was sweating before I sent the AC below (remember RHD car) , but after the AC went there it felt more comfortable ... but still worried that things shouldn't be getting that HOT!

Anyone get any more updates on this issue? (Yes I've seen the rear AC post above)


If you have the rear a/c set to full cold, then you are getting heat from the engine coolant lines running down the tunnel to and from the rear heater core. RH drivers are the only ones where the driver is placed near these lines.

If I had RH drive, I would add some heat blocking insulation around or over those coolant lines.
 
If you have the rear a/c set to full cold, then you are getting heat from the engine coolant lines running down the tunnel to and from the rear heater core. RH drivers are the only ones where the driver is placed near these lines.

If I had RH drive, I would add some heat blocking insulation around or over those coolant lines.
Is this NOT an issue for LH Drive passengers then? Or does it more have to do with the way the lines are actually run on RH?
 
From interior to exterior to high performance - everything you need for your Stinger awaits you...
Ive not noticed any issues on my LH drive, but then its not summer yet either.
 
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Is this NOT an issue for LH Drive passengers then? Or does it more have to do with the way the lines are actually run on RH?

Correct. They run down the right side of the tunnel.

I would double-check the temp setting in the rear first.

Is the rear temperature control set at full cold with cold a/c coming out of the rear vents when engine is running?
 
I did a 200 mile trip on Sunday, doing 80mph non-stop (well one splash and dash) with Adaptive-Cruise-Control on, and my tunnel was baking ... and my wireless charger was so hot you couldn't touch for more than a few seconds. No I didn't use wireless charging or eve have my phone there, and the lid was open.

In fact after 120miles I had to manually put the AC to DOWN only, fan to 2, and temp to 19deg to keep everything cool ... it didn't stop the heat altogether, but did reduce it from very hot to warm. My left leg was sweating before I sent the AC below (remember RHD car) , but after the AC went there it felt more comfortable ... but still worried that things shouldn't be getting that HOT!

Anyone get any more updates on this issue? (Yes I've seen the rear AC post above)
Ditto as you know. My car is going in for its 3000k check on Friday 13th. Im going to mention it all over again. And will point to this forum to them. Apart from not being interested theyre unbelievably rude. This time im not alone , last time they said mine was a one off another words it was imagination? .Will keep you posted.
 
I'm noticing this too now. The wireless charger basically stops charging my phone after 10% or so (only 15 mins)..Id guess the phone cuts off the charging because it gets almost uncomfortably warm. I literally thought the car had heated cup holders when I first drove it. I took out a stainless steel water bottle from the holders and it was honestly surprisingly warm to the touch. This is certainly gonna be an issue..I dont want warm drinks in the summer..nor do i want a wireless charging pad thats useless and just generates absurd amounts of heat. Because even when I'm not using it that little compartment is very warm after driving for a little bit. I havent noticed any cabin heat problems but it is still cold here for now. This may be one of the first recalls on the Stinger because its definitely an issue that needs to be resolved.

EDIT

Turning the rear vents to cool did seem to work for me..as other people have been saying

 
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I took an extended drive yesterday on some local back roads, and noticed at one point that the Android Auto presentation on the car's display had 'frozen' - I was using Google maps at the time. When I pulled out the phone (Galaxy S8) to check it, the phone was almost too hot to handle, and showing a heat distress message that it had overheated and could only be used for emergency calls. The heat of the removable 'mat' in the wireless charging bay was intense, as in too hot to put your fingers on top of it for more than a few seconds.

I remembered this post from a while back, so thought I'd check to see if there was more info. After seeing the post from @moinmoin (cheers!), I checked the rear vents today and they were set to mid range. I've set them to full cold - hopefully that will cut off the heat supply and I can double check on the next outing. Prior to this occurring, I had been driving for an hour or more with the A/C on, but had shut it off to see what the impact was on fuel consumption. With the A/C engaged, the phone was working fine so I assume the temp in there was OK.

I should be OK for the summer as we're getting into warm temperatures now, but I can see this being a concern in the winter when the back seat heat will be necessary. Will have to run this by the dealer to see what can be done.
 
From interior to exterior to high performance - everything you need for your Stinger awaits you...
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