Question about 2006 Audi A4

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06 A4 2.0t and the engine sounds like a diesel

I have an audi 2006 a4 2.0t and the engine sounds like a diesel, and makes tapping noises, i had it inspected by 2 different audi dealerships and they told me to ignore it until it gets worse or a engine light comes on. I didnt really believe what they were telling me so i took it to my own mechanic who does import cars, he told me the engine should be very quiet, and something is mechanicall wrong with the engine, like a piston for exp.. and that i would most likely need a brand new engine. However, I heard the mechanics at audi hate warranty work and will avoid it because they dont make as much money from it. Anyone having the same problem or has had this happen? any solutions or what it could be?> thanks

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  • slimshamy21 Jul 30, 2009

    thank you for the tips! the car is still under warranty thankfully! im taking it into to audi next week and telling them i want it fixed now and not wait until a light comes on. so what is a rod knock anways? my car at first was making tapping noises then prgoressed into a diesel and it doesnt seem to want to really move unless i press the gas hard, its almost a chuggin feeling.

  • slimshamy21 Jul 30, 2009

    thank you for the tips! the car is still under warranty thankfully! im taking it into to audi next week and telling them i want it fixed now and not wait until a light comes on. so what is a rod knock anways? my car at first was making tapping noises then prgoressed into a diesel.

  • slimshamy21 Aug 17, 2009

    So i took the car into Audi, they had to basically take the whole top portion of the engine apart, anways it ended up being the camshaft! the car still does feel like i have to hit the gas hard to get it moving.

  • slimshamy21 Aug 17, 2009

    so i took it into audi, and it ended up being the camshaft!

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It may be a lifter tick, HOPEFULLY not a rod knock. However you would not need a brand new engine if either of those were the case. If you find someone that can rebuild the engine, that may or may not be cheaper depending on the dealer and parts that need to be replaced. It could also be the timing belt. The shop told you to wait for a check engine light because they dont know what's wrong with it, without plugging it into their computer. But you should NOT ignore it. Hope this helps.

Posted on Jul 30, 2009

  • Michael Moore Jul 31, 2009

    Rod knock is very much not likely with an engine in a car this new. BUT it happens, it is esentially rod bearing material that has been worn away, allowing the piston to whack the cylinder head in addition to the big end of the connecting rod banging on the crankshaft rod journal. Let's hope like I said that its not a rod knock. The best bet would be yeah, take it to the dealer and tell them no you won't ignore it. They want it to get worse so you do more damage to the drivetrain so in turn they can charge you more to fix the problem.

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