2012 Air Conditioned Seat Back
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Elder User
Joined: Aug 2004
Posts: 932
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From: Edmond, OK
2012 Air Conditioned Seat Back
My driver's side seat has been pretty ineffective with respect to any cool air out of the seat back. Looked at the service manual today and learned that the bottom and the back have their own respective TED (Thermal Electric Device) for the heating and cooling.
You can get a view of the one for the seatback by first unlatching the plastic j-hook at the bottom on each side the seatback (about 1.25" long, vertical on each side at bottom); then unhook one entire side vertical on the back, then the other,, then the bottom.
I decided to take a look. I found that my TED was not 'retained' up against the foam seet back in the 'socket' for same. The corugated tubing you see in the photos going to the bottom is the hot air exhausting from the TEM to the bottom left of the seat back; the white filter media is the inlet; and the cool air exits into the seat back.
I put in back in place; and I can tell the seat back cools better, but it still doesn't chill like the seat bottom. Passenger seat had the TED intact.
Bob
You can get a view of the one for the seatback by first unlatching the plastic j-hook at the bottom on each side the seatback (about 1.25" long, vertical on each side at bottom); then unhook one entire side vertical on the back, then the other,, then the bottom.
I decided to take a look. I found that my TED was not 'retained' up against the foam seet back in the 'socket' for same. The corugated tubing you see in the photos going to the bottom is the hot air exhausting from the TEM to the bottom left of the seat back; the white filter media is the inlet; and the cool air exits into the seat back.
I put in back in place; and I can tell the seat back cools better, but it still doesn't chill like the seat bottom. Passenger seat had the TED intact.
Bob
Freshman User
Joined: Dec 2011
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Hmmmm...... Neither of my seats nor the backs cool very much. Have to set them to high to feel anything, and then it takes awhile. Maybe something wrong, but I hate to take to dealer; those idiots won't find anything wrong. Guess I'll take what I learned from this thread and see what I can find.
They don't seem to heat all that well either. On high, it takes a good 20 minutes to feel any heat. On my old GMC (2008) the seats on high would get uncomfortable real fast. Usually ran those on low.
They don't seem to heat all that well either. On high, it takes a good 20 minutes to feel any heat. On my old GMC (2008) the seats on high would get uncomfortable real fast. Usually ran those on low.
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