everytime i put the heat/ac on in the car a weird smell comes after 20 minutes.
do you think its the cabin filter? the car is a 98 s70 N/A... im pretty sure it has never been changed..
and can anyone give an idea of where the cabin filter is located?
thanks

 

is it a mildew smell or is it a sweet almost like coolant smell??

 

Or like an oily smell?

 

Not wanting to hijack your post,but i have the same problem.
my is the sweet almost like coolant smell

what could be the problem

 

Heater core.

 

what if it's the oily or mildew smell?

What's the soluntion then?

 

cabin filter

 

Clogged vent box.

 

where exactly is the cabin filter located?
and what about the heater core?
also when i stand outside my car i smell the antifreeze.. i know its not a good thing what should i do?

 

or where is the heater core?

 

The cabin filter is under the plastic cowl cover on the passenger side.
The heater core is behind the radio in the dash.

 

How easy is it to replace the cabin filter?

 

Very easy.