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    Audi A6 clogged with sludge. Any suggestions?

    Thanks for all the feedback so far. I really appreciate it. I'll buy a good used engine if I have to but will try solvent flushes first. If I can get some flow to the top I'll run it a little, do a couple oil and filter changes, drop the pan, clean the screen, etc. Then I'll try the Auto-rx. I...
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    Audi A6 clogged with sludge. Any suggestions?

    No one in my area has the Bilstein machine. The Audi dealer and another shop have ones made by BG. I explained my situation and neither one thought it would help. Glad they didn't try to take my money though. Has anyone heard of filling the engine with diesel, letting it sit for a week, drain...
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    Audi A6 clogged with sludge. Any suggestions?

    I bought the car with 85k on it. Now it has 105k. I changed the oil with Mobile 1 synthetic every 5k. (I now know that this is not often enough.) Damage was already done by previous owner we think. I'm kind of willing to try about anything before having a used motor put in. Why not?
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    Audi A6 clogged with sludge. Any suggestions?

    I have a '99 Audi A6 2.8 that is evidently clogged with sludge. No oil is getting to the head. Long story short: Oil pressure warning light and buzzer came on. I shut it down and had it towed to my local European shop. They pulled the pan and found severe engine sludge. They removed the pump...
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