It is too bad you got fed a bunch of B.S.
A plugged battery air filter cannot cause your battery to overheat.
This is impossible.
The air filter only filters fresh air from outside.
Once the battery gets above 30'C ( ~85'F ) then the air door closes, and only internal air ( internal to the battery ) circulates over the A/C evaparator, and back to the battery. A/C cooled air does NOT pass over the filter at any time. If your battery filter was 100% plugged, it would have the same effect as a closed door to the outside, and this would only make the A/C run more often.
It cannot make your battery get too hot!
( and it may make it stay cooler, really )
I can understand owners not knowing this, but it is sad that dealer sevice departments don't know this, and have to tell lies to thier customers to make themselves look like they know what they are talking about.
You had some other issue that caused your dashboard light to come on.
It was not the filter!!!! So now, aren't you curious what the real reason was? -John
Quote:
Originally Posted by salsbr
It may be hard to believe, but that's exactly what happened. I took it to a dealer, they scanned for codes, looked at random stuff, swapped out the filter, and charged me $150. Since the filter was supposed to be part of the previous service I promptly called up the other dealer and demanded that they pay for everything but the filter. I got my money.
I have no trouble believing that you could simply wash the filter, or even remove it. But letting it go too long will cause the little orange light on your dash to come on. My understanding is that with a plugged filter, the batteries cannot be cooled like they should be. And that is a mission critical system. Or at least one worthy of nagging the driver about.
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