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Outside fumes enter cabin on Saab 9-5. #4808479
07/08/18 04:03 PM
07/08/18 04:03 PM
Joined: Nov 2005
Posts: 607
Charlotte, NC
gr8gatzby Offline OP
gr8gatzby  Offline OP

Joined: Nov 2005
Posts: 607
Charlotte, NC
3 months with my 2004 Saab 9-5 wagon. Stage 0 was the first order of business, including cabin air filter. However, when recirculate is selected, I still get fumes from outside air inside the cabin. Was it installed incorrectly by my mechanic, or is this a design flaw in the system?


'95 Ford F150 | 4x4 | 5.8 | 9MPG
'11 Honda Crosstour | AWD | 3.5 | 21MPG
Re: Outside fumes enter cabin on Saab 9-5. [Re: gr8gatzby] #4808497
07/08/18 04:50 PM
07/08/18 04:50 PM
Joined: Jan 2003
Posts: 3,199
Coastal South Carolina
edwardh1 Offline
edwardh1  Offline

Joined: Jan 2003
Posts: 3,199
Coastal South Carolina
all recirc systems I think mix some outside air


These products are all new every year?? They are a revolution!!! Razor blades, mens shirts, TVs, wiper blades, gutter guards, hearing aids... according to the ads. But also all new last year
Re: Outside fumes enter cabin on Saab 9-5. [Re: edwardh1] #4808505
07/08/18 05:12 PM
07/08/18 05:12 PM
Joined: Aug 2010
Posts: 6,380
Champlain/Hudson Valley
Kira Offline
Kira  Offline

Joined: Aug 2010
Posts: 6,380
Champlain/Hudson Valley
We've had 3 9-5's in the family. All of 'em allowed a bit of outside air to come in. It's an anti mold & mildew thing.
The Volvos I've had are 100% closed from my experience.
Also, FYI: There's an easy to reach hose on the 2.3l 4 cyl. behind the engine high up so it's quite doable. It can come off the oil drip box and stink to high heaven. Just shove it back on.

Which engine do you have? If it's the 2.3 has PCV modification #6 been done to it? If not it's real easy to do and takes about an hour. There are extra hoses on the right (passenger's side No. America) and one of them T's into the oil filler neck. A new neck is part of the PCV #6 kit.

Good luck with your Saab. They are easy and fun to drive....responsive.

Re: Outside fumes enter cabin on Saab 9-5. [Re: gr8gatzby] #4808576
07/08/18 06:43 PM
07/08/18 06:43 PM
Joined: Mar 2008
Posts: 8,213
USA
slacktide_bitog Offline
slacktide_bitog  Offline

Joined: Mar 2008
Posts: 8,213
USA
What kind of cabin filter is it? Did you get a filter with carbon/charcoal? Was the filter sealed in a plastic bag when you bought it?

Recric doesn't necessarily filter during recirc mode (although some cars will run the recirculated air thru the filter, not all cars do this)

Re: Outside fumes enter cabin on Saab 9-5. [Re: gr8gatzby] #4889306
10/06/18 02:35 PM
10/06/18 02:35 PM
Joined: Jun 2015
Posts: 621
New York
NoNameJoe Offline
NoNameJoe  Offline

Joined: Jun 2015
Posts: 621
New York
Did you check to make sure the door and motor for recirculation are even working? They may not be working.

In most cases you can observe their operation with the cabin air filter removed. When you adjust the recirculation you should physically see the door (usually with foam seal) move in and out of place.


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