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Old 05-20-2013, 05:33 PM
DeliveryValve's Avatar
Chairman of my Benz
 
Join Date: Jun 2006
Location: Central California
Posts: 4,159
Everyone rebuilding their A/C system should clean out their HVAC assembly box!

When I went through my A/C about 5-6 years ago, I knew I should of did this to my then 25 year old car. Now I'm disgusted to know that I, as well as my family and friends, have been breathing in this crap all these years.

Outside air intake shot immediately after I pulled the whole HVAC unit.


Upper outside air plenum. Filthy interior shot with the cover removed.


Evaporator - Filled with so much crap that part of the evap is in poor material condition from corrosion.


Heater core also took in a lot of dirt.






I now need to figure out how to implement a cabin filter to keep this box clean.

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Last edited by DeliveryValve; 05-20-2013 at 06:48 PM.
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