Quote:
Originally Posted by tasdrouille
Cleaning the air filter is popular in south american countries. I have read a SAE paper testing simple methods to clean air filters. The most effective simple way to do it is tapping the filter a couple times on a flat surface so the dirt fall off, then blow air through the filter from the inside out with an air compressor. You have to be careful not to contaminate the clean side though.
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That's why I had a shop vac, to just suck the dirt up rather than blow it around. Also something I left out, since I live in the desert I had a layer of sand in the bottom of my air cleaner box which makes me think I should have cleaned this a while ago. I think this filter is the original, 113000+ miles on it. At the very least its got 103k on it since we got the beetle with about 10k miles on it.