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Discussion Starter #1
Hi all

First post as bought my G1 v10+ here in the UK last week. Firstly it’s great and I’m smitten (especially as it has a capristo on it!) however there is an issue with the heating.

There is constant hot air coming out of the windscreen vents no matter what setting the air con is on. Ac Red light stays on and seems to blow cool ish air out of the vents facing the driver, but no matter what there is very hot air coming out of the windscreen vents (before anyone asks no the demister is not on).

The car is under Audi warranty and is booked in for diagnosis next week, however I’d like to go informed so have been doing some research on here. Read some old posts from Ricky saying it could be the heat control flap being stuck? Or possibly condenser/ac leak issues.

Speaking of Ricky, after doing some research on here I can see he’s extremely helpful with all sorts of things. I wasn’t aware he was on here until searching for this issue and have to say he was very very helpful on the phone with me about a potential PPI with him prior to me purchasing my car. In the end I haven’t done it as since found out the car is under Audi warranty and it didn’t seem needed. However I know where I’ll be going for any work needed that isn’t warranty related.

Loads more questions coming up and look forward to joining in the community here
 

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Hi and welcome to the forum. Your problem could be either of the issues you've mentioned. I had an A/C gas leak on mine and it just blew warm air even on the coldest setting. Ricky traced it to a leaking condensor and so wen renewed both to be on the safe side.
 

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Discussion Starter #3
Hi and welcome to the forum. Your problem could be either of the issues you've mentioned. I had an A/C gas leak on mine and it just blew warm air even on the coldest setting. Ricky traced it to a leaking condensor and so wen renewed both to be on the safe side.
Thanks Trev hopefully find out tomorrow and sure it’ll all be sorted under warranty

Here’s a pic of the new car to say hello

It’s had a few bits done like carbon overlay on some areas, capristo, darkened fuel cap and anthracite wheels. Would like to spruce up the interior with some more alcantara




It’s also missing the rear four ring badge so need to source one of those



And with its stable mates

 

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Welcome and congratulations, common fault is heater control solenoids sticking, hope this is it as it is a cheap fix.
 

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Yep it could well be the heater control solenoids. Usually get stuck on hot.
I cleaned mine on my build thread, but I know people have had them fail







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They do not throw a code
Correct. They don’t throw a code unless the coil itself has failed. That is not what happens, what happens is the armatures get stuck, so the system assumes it’s moved when it actually hasn’t.


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Discussion Starter #9
Thanks guys and car has been in to Audi now and is going back Monday for further investigation. They didn’t get time to do it all today so I’ve got to take it back....

To cut a long story short it went in under the provision it had warranty and it turns out it actually doesn’t, as the previous cancelled when he remembered and got a refund. Apparently it’s also not transferable anyway. Therefor while I was trying to sort all that out with the specialist dealer I bought the car from a week ago they ran out of time.

No codes were thrown for the solenoids but they need to take the prop shaft off to investigate further apparently.

Hopefully all sorted next week...not the start I wanted with the car really!
 

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Correct. They don’t throw a code unless the coil itself has failed. That is not what happens, what happens is the armatures get stuck, so the system assumes it’s moved when it actually hasn’t.


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I guess I was lucky in that my failed valve threw a 00738 - Rear Heat Regulating Valve (N176) Short to Ground code so it made it really easy to diagnose.
 
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