Question about 1996 Audi A4

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1997 audi A4 heater blowing cold air

What do l do help me

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  • carlos_76 Nov 22, 2008

    got a new thermastat today and it was ok on 90c until i got on the motorway then it dropped down to 0 and the hot air stopped working
    please can you help me i have a 1995 a4 N reg
    thanks


  • audious Dec 10, 2008

    Hey Im near Southern NY and need the T Stat Changed on my 1997 A4 2.8. Are u interested, I'd rather pay someone like you that seems to know what your doing.. email unmesajnou@yahoo.com

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Sounds like one of two things has happened - either the heater core has gone south or your thermostat is stuck wide open. The t-stat is more likely as the A4 is known for issues such as this. My 99 A4 currently has the t-stat stuck partially open, so my heat production isn't quite what it should be. I did a timing belt on a 30v Passat a few weeks ago (same engine that I have) and it had the same condition as my car. Once the new thermostat was in, you could set the temperature to 75 degrees with the heat on the floor vents, and cook hamburgers on the floor mats.

Change your thermostat and you should be good to go. I don't know if you have the 1.8T or the 2.8 V6, but if you have the 1.8T, go to www.audidiy.com or www.audiworld.com and look in their tech procedures - there's a photo-referenced step by step on how to do it on the 1.8T. For the 2.8 V6, you have to open the car's front end as if you were doing a timing belt - the thermostat is behind the belt. You don't have to remove the timing belt to remove the thermostat, but if you're going that far in, and you haven't just recently done the timing belt service, you might as well spend the money and do it now rather than pay all that labor again later.

If you're in northern PA or southern NY and want to take a drive, I can do the work for you in an afternoon - otherwise, find a local shop that specializes in european cars and have them do it - it'll be a few hundred dollars less than if a dealer does it, and they'll do the job very well. Don't just go to any old shop - guys that wrench on Chevys all the time aren't the ones you want working on an Audi. They're good mechanics but there are things about the Audi that they likely aren't going to know to do.

If you do the work yourself and you want some pointers on it (it really is an easy job), reply here with an email address and I'll email you and talk you through it. You will need to pick up 3 liters of G12 coolant though (the pink stuff) from a dealership, or order it from www.ecstuning.com (midwest), www.purems.com (west coast), or www.germanautoparts.com (east coast). AutoZone doesn't sell it so you'll have to source it yourself. Those companies also sell the thermostat as well as kits with the timing belt service parts, so you can order that stuff from them as well. And if you do that, don't spend the extra $170 for the cam locking tools - they're 100% unnecessary.

Posted on Oct 19, 2008

Untill the system is bleed corectly at idle speen you will get cold air continually

Posted on Oct 19, 2008

3 Suggested Answers

  • 45 Answers

SOURCE: 1997 audi A4 heater blowing cold air

You will have to change the heater core. 9 out of 10 times, when the heater is not heating the air, it is a bad heater core.

Posted on Nov 13, 2008

  • 1 Answer

SOURCE: 1997 audi A4 heater blowing cold air

You probably have a leak in your oil cooler. This is causing the oil to bleed into your cooling system causing the "thick brown liquid". This in turn will also cause your engine to over-heat since the cooling system is contaminated.

Posted on Mar 06, 2009

nikolarm
  • 1 Answer

SOURCE: disfunctional heater on 1997 audi a4 2.8l . no hot air!

Hello i have Audi A4 1.8T Year 1996.i have a problem with the display's of the a/c sometimes shows numbers sometimes dont work all day,also i have the problem with air comining the enterier.it blows air only to the windshield.can somebody help me to solve this problem.thanks
nikolarm@gmail.com

Posted on Dec 05, 2009

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