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Old 01-21-2014, 01:13 PM   #1
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Default Major complaint

2 major snow events I been through, windshield won't stay clear and ice forms, impeding the wipers swiping. Can't get the defrost hot enough. Is this a symptom of the diesel?
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Old 01-21-2014, 01:23 PM   #2
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2 major snow events I been through, windshield won't stay clear and ice forms, impeding the wipers swiping. Can't get the defrost hot enough. Is this a symptom of the diesel?

Well, I'm not too far from you and the little driving I did, I had the similar issue - ice forming on the blades and some ice on the windshield.
Perhaps if I had driven longer the front windshield defroster would have cleared the window better.

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Old 01-21-2014, 01:38 PM   #3
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Has not been a issue with our Q5. And we had some major snow and below zero weather and the car was parked outside overnight for a couple of weeks due to the work being done on the house.
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Old 01-21-2014, 01:53 PM   #4
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There is a windshield defrost button. Are you using it? Also, turn your temp up.
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Old 01-21-2014, 02:40 PM   #5
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There is a windshield defrost button. Are you using it? Also, turn your temp up.
yes & yes...80 deg temp on the MMI, cranked the fan speed to 11/12 max setting.
I cannot believe I am the only driver with this experience.
The first time this happened around Christmas, I stopped several times within an hour to try clearing the blades.
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Old 01-21-2014, 03:40 PM   #6
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Make sure that you have super winter blend windshield washer fluid in it and blast the wipers and windshield with the heated fluid. The wipers will de-ice.
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Old 01-21-2014, 04:09 PM   #7
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I've found it QUITE difficult to keep my window clear as well, to be honest. Very easily worse compared to my previous Accord...

Have winter fluid and I feel like I am going through it like water - I need to spray LOTS so that it will completely clear - only to get all ruined and uncleanable a short time later...
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Old 01-21-2014, 04:26 PM   #8
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Did I read somewhere that we have heated sprayer nozzles or something? Anyone know the details?
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Old 01-21-2014, 04:34 PM   #9
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I wonder if this is a HVAC setting issue of some kind? A round here we've had a brutal winter so far. Extremely cold, way more snow than normal and no problem with the Q5 to date. I haven't done anything with the settings so no idea what it might be.
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Old 01-21-2014, 04:34 PM   #10
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I've not had any issues with my 2014 2.0T in Wisconsin, but I have found it odd that I have yet to notice any air coming from the two center vents in the dash this winter. I use "Auto" mode all the time with a 72F temperature setting. The two side dash vents put out plenty of air and so do the windshield vents. I've assumed that there is some logic built in that re-directs air away from the center dash vents and to the windshield vents when the temps are cold.

This is just conjecture, but I wonder if those with problems are seeing lots of center dash vent flow and not enough windshield vent flow. Perhaps there is a software update that would help.
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Old 01-22-2014, 12:50 AM   #11
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Wish Audi had what Subaru has. They have an area on the lower windsheild the look like defroster lines that the wipers rest on. Very cool!!!!
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Old 01-22-2014, 09:01 AM   #12
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Diesels will run cooler in extreme cold..
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Old 01-22-2014, 09:10 AM   #13
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I've not had any issues with my 2014 2.0T in Wisconsin, but I have found it odd that I have yet to notice any air coming from the two center vents in the dash this winter. I use "Auto" mode all the time with a 72F temperature setting. The two side dash vents put out plenty of air and so do the windshield vents. I've assumed that there is some logic built in that re-directs air away from the center dash vents and to the windshield vents when the temps are cold.
The central vents in my relatively new Q5 TDI refuse to blow warm air as well. I'm glad to see it's normal and not a heating system on the fritz. But either way I've still been underwhelmed by the speed with which the Q5 heats up in the winter.
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Old 01-22-2014, 09:11 AM   #14
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2 major snow events I been through, windshield won't stay clear and ice forms, impeding the wipers swiping. Can't get the defrost hot enough. Is this a symptom of the diesel?
Ah no it's not. -17 below here in Chicagoland the past month and no problems with my TDI.
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Old 01-22-2014, 09:48 AM   #15
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Diesels will run cooler in extreme cold..
I thought the TDI's had a supplemental electric heater to prevent this.

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Old 01-22-2014, 10:04 AM   #16
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On their website they claim only "heated windshield washer nozzles." And, as in most cars, defrost air can be aimed at the windshield.

As has been noted elsewhere in the forum, there may be an electric heater in the HVAC system that is designed to provide heat for passengers before the engine warms up (diesels being slower to warm). If that is so, the TDI should have warm defroster air available pretty quickly but for a car that claims to have it all for winter, Audi USA falls more than a little short.

Why not heated steering wheels in all, or at least the upper tier models like Q5 and A6? Where's the headlamp washers that Canada gets? Why don't they have the windshield heater wires that Subarus have? I am sure that we can think of other winter friendly features/options that would make Audi a better winter car in the USA. It's almost as if the company doesn't believe US winters are worth worrying about.

If I didn't garage my car I might not have bought an A6 TDI in spite of how much I like everything else about it.
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Old 01-22-2014, 10:38 AM   #17
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The heated windshield wiper zone is something I'd "designed" long ago, and suddenly saw it on a Chrysler van I think, and now Subaru.. It's brilliant, and I'm amazed more mfgs don't offer it on the "cold weather package"...

As for TDIs running cold, pay attention to all of the trucks you see on the road. Many, if not all, will have a snap on cover for the front grille, to reduce the airflow over the radiators.. Diesels just run cold in the winter. I had a Q7 TDI press loaner last fall, and even in late VT fall freezing temps, it seemed to struggle to warm up.
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Old 01-22-2014, 11:31 AM   #18
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Default After 3 Audi's.....

and leaving in northeastern PA. All 3(2-A4s, 1-Q5) have had the worst front window defrosting/deicing of all the cars i ever owned. I also own a Subaru Outback and that heating system/AC has it all over the Audi's.
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Old 01-22-2014, 11:35 AM   #19
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Default winter wipers

make sure you have winter wipers like the Trico ice. The OEM wipers are terrible in freezing weather. I also find this vehicle (2014 SQ5) warms up ore slowly than other vehicles I've had, but so far with temps down to 0F the defrost has worked OK. Heated wheel would be nice for these old arthritic hands.
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Old 01-22-2014, 07:17 PM   #20
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make sure you have winter wipers like the Trico ice. The OEM wipers are terrible in freezing weather. I also find this vehicle (2014 SQ5) warms up ore slowly than other vehicles I've had, but so far with temps down to 0F the defrost has worked OK. Heated wheel would be nice for these old arthritic hands.
I too have been disappointed with the Q5 wiper action, especially considering my A3 had far and away the best wiper performance of any car I have owned. The A3 wipers were incredibly quick, quiet, and effective. Not so much with the Q.
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Old 01-22-2014, 07:17 PM
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