BigTyler Posted May 7, 2009 Report Share Posted May 7, 2009 whenever i turn on my a/c or my heater, it seems to smell really weird. anyone know what it could be? Link to comment Share on other sites More sharing options...
Ranger Posted May 7, 2009 Report Share Posted May 7, 2009 Mildew on the evaporator? Link to comment Share on other sites More sharing options...
rek Posted May 7, 2009 Report Share Posted May 7, 2009 Mildew/Smell...Take out the Cabin Air Filter, CLEAN the Filter chamber, Spray Lysol into the Filter Chamber (FAN ON). Turn off fan, install Clean/New CAF, wait about 15 minutes. rek Link to comment Share on other sites More sharing options...
Ranger Posted May 7, 2009 Report Share Posted May 7, 2009 You had better like the smell of Lysol because you will smell it till the day you sell it. Been there. NEVER again. Link to comment Share on other sites More sharing options...
BodybyFisher Posted May 7, 2009 Report Share Posted May 7, 2009 There is a kit that GM sells if I recall that gets poured through the cowl intake.... But you need to make sure that the drain is open and not clogged Then I would flush water with bleach CAREFULLY through the cowl intake to kill the mildew and flush it well There is an AFTERBLOW feature that can be invoked that will cut down on the mildew, it will run your HVAC fan after the engine is turned off to 'dry off' the evaporator Pre-1995 - DTC codes OBD1 >> 1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/ Cadillac History & Specifications Year by Year http://www.motorera.com/cadillac/index.htm Link to comment Share on other sites More sharing options...
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