How to place the pollen filter in a 993 
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The Porsche 993 have two pollen filter that filters all the incoming air to the central A/C and ventilation system.  The filters needs to be replace regularly just like the air filter for the engine, it all depends on how bad the air quality is where you live.  My original pollen filters was replaced at 10,000 miles and 17,000 miles later they sure are dirty! 


This is a comparison of the old and new. 

The filters are located in trunk in front of firewall. 

First remove the trim piece that covers that area to expose the pollen filter housing.  Pull up on the rubber strip will allow you to slide the plastic cover off.


unscrew the round metal nut that holds the pollen filter cover in place


Remove the pollen filter cover clip by wedging a flat screw driver underneath and pry it up.

This clip is a little tricky to get off, slide a flat screw driver down the clip and push and pull sway from the pollen filter housing simultaneously.

Slide the wiring harness that is on top of the pollen filter cover and disconnect the connector.  You will only need to do this for the right side pollen filter replacement.


Notice the position of the notch on the filter unit, the replacement unit needs to go back the same way.

Installation is the reverse of these steps.  Same procedure for the left side filter replacement.
 

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