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Why does the Fan not blow very hard on heater in your 2001 Pontiac Montana?
Wiki User
∙ 12y ago
I had this problem, there was very little air output from the heater even when on high. I tried a few mechanics for answers with no success. One day I was looking for something in the glove box and I found an access panel in the back of the glove box marked "filter access". I opened it and found there was a paper filter in a frame that filtered all the incoming air from the heater to the cabin, and it had never been changed. It was almost totally clogged up.
Replaced it ad bingo, lo0s of air. I asked my mechanic and he said "oh yeah, that thing, I forgot about that". It's not even mentioned in the owner's manual that I could see.
Wiki User
∙ 12y ago
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