Any vag people know what these are?

bd2012 · 19-03-2012 09:35PM #1

Ok here's the story. Was changing the battery today and came across these: 1-what looks like a sensor (paragon written on the side) not connected and 2- a corrugated pipe again not connected. Car is running fine, just wondering what these are?

bd2012 · 19-03-2012 09:47PM

Sorry. Forgot to mention car is 2002 Audi a6 1.9tdi

rebel.ranter · 19-03-2012 09:54PM

That is the sensor for the automatic recirculation function. It should be attached to a microfilter (cabin filter) housing.

Here is a BMW version:

http://bmwfans.info/parts/catalog/E63/Coupe/Europe/630i-N52/RHD/N/2005/december/browse/heater_and_air_conditioning/sensor_f_auc/

AUC%20Recirculating%20Air%20Sensor%20Operation.jpg

AUC%20Recirculating%20Air%20Button%20Operation.jpg

Anan1 · 19-03-2012 10:00PM

Presumably there was once a housing around that pollen filter that the sensor would have fitted into?

bd2012 · 19-03-2012 10:01PM

Thanks rebel. So am I right in thinking its not a big deal? And what do u make of the little pipe? Thanks again.

George Dalton · 19-03-2012 10:03PM

1. Air quality sensor (for air con)
2. Vent pipe for battery

bd2012 · 19-03-2012 10:04PM

Anan1 wrote: »

Presumably there was once a housing around that pollen filter that the sensor would have fitted into?

Thanks anan. Presumably there was. Don't service it myself so must have been ...ahem...'lost' while being serviced.

frozenfrozen · 19-03-2012 10:04PM

I'm only here for the title. Where can I find these 'vag' people you speak of?

bd2012 · 19-03-2012 10:06PM

George Dalton wrote: »

1. Air quality sensor (for air con)
2. Vent pipe for battery

Thanks George. Both ok like that? Not ideal I know but not fatal?

bd2012 · 19-03-2012 10:10PM

frozenfrozen wrote: »

I'm only here for the title. Where can I find these 'vag' people you speak of?

Haha. Probably didn't phrase it correctly. Meant someone who knows Audi cars. Apologies for any confusion. no need to go looking for little green men. Oh wait that was Saturday

rebel.ranter · 19-03-2012 10:57PM

bd2012 wrote: »

Thanks George. Both ok like that? Not ideal I know but not fatal?

Plug the battery pipe in to the little hole in the side of the battery (top middle).

The AUC sensor isn't critical, the only thing I'd be worried about is the quality of air you're breathing in the car without a housing for the Microfilter. Basically you are breathing the air that is coming from the engine bay , I wouldn't be comfortable with that set up. You're breathing carbon monoxide potentially. Is the car a bit smelly on the inside? Is the windscreen getting dirty quite quickly?

bd2012 · 19-03-2012 11:06PM

rebel.ranter wrote: »

Plug the battery pipe in to the little hole in the side of the battery (top middle).

The AUC sensor isn't critical, the only thing I'd be worried about is the quality of air you're breathing in the car without a housing for the Microfilter. Basically you are breathing the air that is coming from the engine bay , I wouldn't be comfortable with that set up. You're breathing carbon monoxide potentially. Is the car a bit smelly on the inside? Is the windscreen getting dirty quite quickly?

Thanks again rebel. Will do that. Car isn't smelly that I've noticed anyway and I don't see the windscreen getting dirty either. Anyway will get onto the local scrapyard and try and pick up a housing. Makes sense. Thanks again

Any vag people know what these are?

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