Quote:
Originally Posted by Walrus
John,
If I understand correctly, you are unsure of the reason for the tube? Perhaps you mean "...why foam...",
Edit: The correct device type is a thermistor, not thyristor as indicated here.
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I understand the reason for the thermistor and tube and even why they might want to insulate the tube. What I dont understand is why would anyone in there right mind make this tube out of a rubber tube glued to an 8" pice of foam tube and glued again to another rubber tube the same size as the first tube. Why not just sleave the tube in that area with foam or for that mater the whole length of the tube. Im not sure if the foam is closed cell air tight. Maybe its not and maybe they wanted air under the dash to filter in through the foam???. Attached are pictures of the tube showing the disintegrated one and the replacement. From these you can get an idea of how it is constructed. You can see that the foam tube only glues to the last inch of each end of the rubber tubes.
John Roncallo