A8 / S8 (D3 Platform) Discussion Discussion forum for the D3 Audi A8 produced from 2003-2010 and Audi S8 produced from 2006-2010

D3 A8 blown head gasket

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Old Aug 12, 2024 | 09:02 AM
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Default D3 A8 blown head gasket

My D3 A8 with the 4.2L motor has been diagnosed with a blown head gasket (and I have no reason to doubt the diagnosis). I am assuming this is a tow-to-the-scrapyard situation. Just wanted to check in with the community before sending the car off to the great beyond. Is there a path to putting the vehicle back on the road that makes any kind of economic sense? FWIW the car is located in Fort Collins, CO. Thank you in advance for your input.
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Old Aug 12, 2024 | 09:17 AM
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@byrd390 Sorry about this…many, many years ago, I had a MY86 MB 300 SDL that died on me for the same reason with 586,000 miles on it. Bought it second hand from the original owner.

You may want to look into these folks in Utah, you would have ship the car though. Just a thought.

Google Dave’s Auto Center in Centerville, Utah. They do a lot of rebuilding of engines and I have seen that folks have shipped cars to them. It is worth at least a call. Best of luck.
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Old Aug 12, 2024 | 11:47 AM
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Originally Posted by GregginSevenIsles
@byrd390 Sorry about this…many, many years ago, I had a MY86 MB 300 SDL that died on me for the same reason with 586,000 miles on it. Bought it second hand from the original owner.

You may want to look into these folks in Utah, you would have ship the car though. Just a thought.

Google Dave’s Auto Center in Centerville, Utah. They do a lot of rebuilding of engines and I have seen that folks have shipped cars to them. It is worth at least a call. Best of luck.
Thanks Gregg, I will check Dave's Auto Center out. I appreciate the recommendation.
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Old Aug 12, 2024 | 11:31 PM
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Just a bad head gasket or bigger issues? Does it still run ok? Has it been badly overheated? You could of course replace the failed gasket. Maybe not economical to have a shop do it, but maybe worth DIY if you have the skills. How much life would be left in the car if it was fixed?

You could always throw in some head gasket sealer and you might get lucky. Worth it if the alternative is to junk it.
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Old Aug 13, 2024 | 05:31 AM
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Originally Posted by dvs_dave
Just a bad head gasket or bigger issues? Does it still run ok? Has it been badly overheated? You could of course replace the failed gasket. Maybe not economical to have a shop do it, but maybe worth DIY if you have the skills. How much life would be left in the car if it was fixed?

You could always throw in some head gasket sealer and you might get lucky. Worth it if the alternative is to junk it.
That is an interesting idea that I had not considered. My son has been pouring a lot of coolant into the system so chances are it never overheated. Our fear is that we do the gasket work and something else is cooked. In theory we have the abilities to do the job ourselves but in reality we just don't have the time (which would probably be 5x the shop time it would take a professional mechanic). The car is four states away from me and my son is a full-time student in his senior year of college. Just getting it towed 13 hours back to my house in Minnesota would probably exceed the value of the vehicle. Maybe sealer + drive home is a viable experiment.
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