I am guessing you don't have an extended warranty?
I am guessing you don't have an extended warranty?
Go back every time for a top up. Give them a 10/10 on the survey each time they top it up. 
Srsly... if this continues... try another dealer? Might be worth the drive for a second opinion.
Did they pressure test the cap? Pretty common failure on modern German cars, and sometimes overlooked in testing.
Another failure point is the heater core. When you turn on the defroster do you smell coolant and have the windshield fog up more?
every so often i need a reminder why i'm not interested in audi's. thank you.
Sell it.
You're welcome.
If it's under warranty keep bugging every dealer you can find about it until they actually do something about it. Refuse to pay, as it should be covered under warranty.
They KNOW something is wrong, they're just hoping you'll ignore it until it's out of warranty so they can stick you with a huge bill.
You've basically got three options.
1) Take it to somebody else. The dealer's trying to weasel out of finding your problem, hoping the warranty goes away before it becomes obvious. They're not doing you any favors by calling it a non-issue for free - you need the paper trail for when it goes "bang" at 102,000 and you need to prove that you knew about the problem before then. Get somebody else to look at it.
2) Pressure-test it yourself. The auto-parts store chains will lend you the tools to do it.
3) Get the coolant flushed. New coolant will dissolve the "false seals" and make what's leaking, leak a lot more. This is how I solved my Corvette's undiagnosable coolant loss - when they fired it up Monday morning after leaving it for a weekend, it came pouring out from the water pump.
Option 4 is significantly less mechanically sympathetic.
Take it out on the back roads and run it VERY VERY hard on a hot day. If there is something wrong with the cooling system, you'll know!
Yeah let the engine cook and get a free engine with a warranty!
RossD wrote: Yeah let the engine cook and get a free engine with a warranty!
... unless they then stick him with the replacement cost of the engine because "he knew there was something wrong with the coolant system".
Take it to an Audi specialist and let them diagnose it would be my suggestion.
Just playing the devils advocate : my last work truck was a freightliner sprinter, 100% MB product except for the badges on the body. Any I had it from the day it was new untill it had just over 100k miles, at least twice a year the low coolant warning light would come on signaling that the resevior level was low. Every time I just topped it of with water. The last time I serviced it the coolant still looked good and tested as -25 freezing point. Over the years I probably added a gallon and a half. Nothing ever went wrong and that truck was still running great the last time I saw it.
But that wasn't an Audi. YMMV
They KNOW something is wrong, they're just hoping you'll ignore it until it's out of warranty so they can stick you with a huge bill.
This. Have you gone over to (shudder) VW Vortex to see if there is anyone with a similar issue?
that sprinter probably has a bigger cooling system.
There has to be a VW/Audi specialist somewhere who can diagnose it
That aside.. I had a similar issue with my ti. I would run low on coolant every 3 months. I knew there was a leak somewhere, but could never find it.. so I lived with it for 50,000 miles.
This summer the waterpump went (I replaced it when I got the car, 55,000 miles ago) and the leak stopped
My old toyota had a mystery coolant leak for a while. One of the hoses only leaked when the engine was hot and then it leaked onto the exhaust manifold. So the coolant evaporated before it could ever reach the ground and it didn't leak when the car was off.
It seems pretty obvious you guys have never tried to find a leak of a liter over 3 months. All the pressure testing in the world won't do anything. Unless you can locate a green stain somewhere, you will NEVER find the leak. Maybe ask if they can add dye to it- that can help. Otherwise, wait for it to get worse. And make sure you document the loss on every invoice you get- it might not help, but if you can prove you had a complaint before the warranty expired, they might pay- at least if its a factory warranty. If it an aftermarket extended warranty, they won't pay- no matter what.
Let them put the new motor in and then sell it fast before something else breaks. And it will..
See, Javelin gave you sage advice way back in February and you ignored it.
And whatever you do, don't buy another Audi.
Which 4.2 - chain engine or belt engine?
The belt engine had a few places where a mystery leak would happen. My "favorite" is a maybe 3/4" long hose under the oil cooler.
It. Freaking. Sucks.
Datsun1500 wrote: Back for an update: Other option is they will give me my original purchase price towards another Audi.
Get the cheapest, newest Audi you can get. Sell it in three months as you didn't like the seats. Get a Camry.
Make them fix it. And sell it quick 
Brett_Murphy wrote:They KNOW something is wrong, they're just hoping you'll ignore it until it's out of warranty so they can stick you with a huge bill.This. Have you gone over to (shudder) VW Vortex to see if there is anyone with a similar issue?
Did you try slamming it and stretching the tires bro?
jstein77 wrote: Let them put the new motor in and then sell it fast before something else breaks. And it will.. See, Javelin gave you sage advice way back in February and you ignored it. And whatever you do, don't buy another Audi.
Another internet point for me!
Sorry to hear about the engine going pop, but it was kind of inevitable. I'd make them replace the motor, then heed my earlier advice and sell it!!!!
Datsun1500 wrote: Back for an update: Other option is they will give me my original purchase price towards another Audi.
Do this and get another Audi, enjoy it while it is in warranty.
In reply to Datsun1500:
$26k? Is that a typo. My god that is expensive.
i hate to hear negative things about audi, ive always liked the s8 and the allroad.
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