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Bad smell from vents
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DSL
Keeper of the wheelie bin 


Member Since: 11 May 2006
Location: Off again! :-)
Posts: 73121

Ukraine 

Tried that on my car, didn't work. Was fab driving in -10c with the car temp set at +28c. Mr. Green Mr. Green
  
Post #108624610th Apr 2013 6:35 pm
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Katoom
 


Member Since: 28 Feb 2013
Location: Devon
Posts: 30


True, the advice came with no representations, guarantees or warrantiee although it seemed logical
  
Post #108624910th Apr 2013 6:41 pm
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DaveT
 


Member Since: 01 Aug 2005
Location: Cornwall
Posts: 2578

United Kingdom 2016 Discovery 4 3.0 SDV6 Landmark LE Auto Indus SilverDiscovery 4

Heat is not a good idea. Legionella loves 20 to 45 deg.

As said, prime suspect = washer bottle. Empty, sterilise, refill, and always use a good screenwash.

Next = AC / ventilation. Check / change pollen filter. Is it damp? leak on the windscreen scuttle cover panel?
Leaking sunroof?

Find & cure before the unhealthy bacteria spread!
 Long succession of Disco's since 2001...
SIII Lightweight - neglected & rusting. Bulkhead, A panels, vent panel & outriggers now disintegrated - Next years project! 
 
Post #108632410th Apr 2013 7:54 pm
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RichardB
 


Member Since: 03 May 2010
Location: Hants
Posts: 485

United Kingdom 2010 Discovery 4 3.0 TDV6 XS Auto Nara BronzeDiscovery 4

Hmm, not massively convinced by that tactic. To kill bacteria you need to reach temps of over 60 deg C (plus). So it sort of depends where the little blighters are lodged in the system and whether it will get and stay hotter than that for a bit. Remembering that the max air temp out probably doesnt get over 30 deg and, guess what, most bacteria simply love temperatures around that point. Makes em grow all the faster!

EDIT: Actually... just thinking about this again. It might just work because the aircon system may be designed to take the temp well above bacteria breeding temperatures. Otherwise we might all be driving Legionella breeding vehicles!!!

And... I do seem to recall somewhere that there were cases of Legionella being spread from car washer bottles. Bug laden aerosol finding its way into the cabin via ventilation system. So very good idea to use high concentration of screen cleaner and/or clean out if they nave got a bit grungy.

DOUBLE EDIT. Beaten to it and I suspect I'm then also wrong on the aircon itself as its water (from engine cooling) should not be directly mixed with the air so probably no need to cook the air.
  
Post #108719612th Apr 2013 12:24 pm
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