Heated Seat Goofiness
#1
Intermediate
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Heated Seat Goofiness
So the heat function of my ('06 LS430 ML) driver's seat is blowing out cool air instead of heat. The back of the seat still heats just fine. And the ventilating setting functions fine for both the seat and back. It's just the seat heat that gets goofy.
Thinking the process would be the same as with my Gen 1 SC400, I was seriously considering just replacing the heating coil. Until I did some digging here on the forum and discovered that the coil doesn't appear to be sold seperately.
First: Has anyone else had this happen with their heated seat?
Second: has anyone ever replaced the coil?
PS. I'm likely going to put some new padding in the seat cushion as well while I'm in there (or just have all this work done by someone else).
Thinking the process would be the same as with my Gen 1 SC400, I was seriously considering just replacing the heating coil. Until I did some digging here on the forum and discovered that the coil doesn't appear to be sold seperately.
First: Has anyone else had this happen with their heated seat?
Second: has anyone ever replaced the coil?
PS. I'm likely going to put some new padding in the seat cushion as well while I'm in there (or just have all this work done by someone else).
#3
Intermediate
Thread Starter
I'm ordering a new seat heater coil, and will likely have the cushion either replaced or built-up too. I am concerned, however, about how much more slowly the seat may heat up after adding more cushion. My daily commute is only 6 miles, and it'd be nice to benefit from that heat before I have to go into work. As it is now, I really don't feel it until I'm 2/3 of the way to work. And these recent sub-zero Michigan days aren't helping any at all.
Has anyone ever had to replace their seat heater coil (the bottom one)? Is the coil positioned below or above the top cushion? If it's not already on the top layer, I'm thinking about just having my upholstery guy install it up there instead of below, so I can get instant heat. Or at the very least, put just a very thin layer of cushion between the coil and leather. Anything to make the seat heat up more quickly.
Thoughts?
Has anyone ever had to replace their seat heater coil (the bottom one)? Is the coil positioned below or above the top cushion? If it's not already on the top layer, I'm thinking about just having my upholstery guy install it up there instead of below, so I can get instant heat. Or at the very least, put just a very thin layer of cushion between the coil and leather. Anything to make the seat heat up more quickly.
Thoughts?
#4
My seats are in mint condition and the filters are new but it does take around 10 minutes for me to feel any heat out of the seat heaters. After 15 minutes my whole seat gets warm. I think it just takes time for these heaters to really produce any substantial warmth.
#5
Intermediate
Thread Starter
I'll definitely post the results after getting my seat work done.
Last edited by SuperCoupe400; 02-24-15 at 07:14 AM.
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#8
#9
Intermediate
Thread Starter
Strangest thing... My seat heater seems to be working now.
When I flew down to buy the car in Tampa a month ago and tested the seat heaters, that's when it blew cold air out of the seat while heating up the back. I figured I'd be able to get it fixed under my Lexus Care extended warranty. They told me I'd have to wait until 30 days after purchase. So I just toughed out the sub-zero temps here in Michigan during that time, never once turning the seat heater back on, because I didn't want to get blasted with more cold air from below.
Turns out my warranty didn't cover the seat heaters after all, but there were nearly $3,000 worth of other items that were covered. Picked the car up yesterday and on my way home I feel heat coming from the seat. It had been left on by the service tech.
Is it possible that (due to this being a Florida car where the seat heaters were likely never used) that the coil just didn't want to respond to the first couple of attempts? Because now it seems to be working fine every time.
Now I wish I hadn't waited 30 days before trying it out again.
When I flew down to buy the car in Tampa a month ago and tested the seat heaters, that's when it blew cold air out of the seat while heating up the back. I figured I'd be able to get it fixed under my Lexus Care extended warranty. They told me I'd have to wait until 30 days after purchase. So I just toughed out the sub-zero temps here in Michigan during that time, never once turning the seat heater back on, because I didn't want to get blasted with more cold air from below.
Turns out my warranty didn't cover the seat heaters after all, but there were nearly $3,000 worth of other items that were covered. Picked the car up yesterday and on my way home I feel heat coming from the seat. It had been left on by the service tech.
Is it possible that (due to this being a Florida car where the seat heaters were likely never used) that the coil just didn't want to respond to the first couple of attempts? Because now it seems to be working fine every time.
Now I wish I hadn't waited 30 days before trying it out again.
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