I've noticed my Coolant tank running low after a few miles...It was on the "low" mark and I refilled it to the "max" line just a few days ago and now it's to the low mark again after about 50 miles..is this normal or is this indicative of a leak somewhere?

Asked by Cesar Jan 09, 2013 at 08:09 PM about the 2004 Audi A6 4.2 quattro Sedan AWD

Question type: Maintenance & Repair

176,195

tenspeed answered 11 years ago

Is it running hot? Do you see bubbles rising in the coolant reservoir? It could be a leak somewhere. Pull the dipstick and look at your oil. If it looks like a chocolate milkshake, you've found the missing coolant. If it looks normal, light it on fire. If it sputters, you have a little water in it. If everything appears normal, have a shop pressurize the system and look for the leak.

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176,195

tenspeed answered 11 years ago

Thanks for the "Best answer" click. Head over to Audiworld.com and Audizine.com to see what other owners are doing with their A6's.

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I've noticed my Coolant tank running low after a few miles...It was on the "low" mark and I refilled it to the "max" line just a few days ago and now it's to the low mark again after about 50 miles..is this normal or is this indicative of a leak somewhere? 2 Answers

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I've noticed my Coolant tank running low after a few miles...It was on the "low" mark and I refilled it to the "max" line just a few days ago and now it's to the low mark again after about 50 miles..is this normal or is this indicative of a leak somewhere?

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I've noticed my Coolant tank running low after a few miles...It was on the "low" mark and I refilled it to the "max" line just a few days ago and now it's to the low mark again after about 50 miles..is this normal or is this indicative of a leak somewhere?

2 Answers

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