I fitted a new one with an already connected expansion valve. This is a dash out operation and requires some time and patients. To clean it you would have to blow it out with air in the opposite direction. But for a hundred and forty bucks off of e-Bay for a brand new one. Well... you can see which is the logical direction. Unfortunately these vehicle came before the pollen filter and definitely show the reason why the filter is needed.

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William
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1987 420 SEL - Like a fine wine only better with age