Question about 2000 Audi A4

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Ignition Switch Hey j_del, I had emailed you late last week regarding my Audi 2000 A4 Quattro 1.8T not starting. There was another member that was having the same problem-"turn the key all lights works but no start up". It turns out that there was enough corrosion on the contacts at the starter that it prevented my car from starting. Just fyi, on the passenger side from underneath, you have to remove four bolts that hold the A/C compressor and disconnect one wire feeding to a connector located on the front wall immediately in front of the compressor pulley. Once the compressor is out of the way, it gives you just enough room to get in there to get the starter out. Something to know: there are two bolts holding the starter. The lower one faces the front and the one on top faces the to the rear and has to be got from the back side. Hey thanks for the all the initial help. I'm sure the ignition switch needed replaced anyways!

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  • Fi5ve Oct 29, 2008

    same problem 00 a4 2.8l Q v6 won't start but all lights on.



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Heheh, no sweat on trying to help you out last time, and I appreciate the info regarding what you did and how you did it. I'm sure it'll come in handy sooner or later, as there are about a half-dozen of us here that all hang together and work on our A4s:) Glad you figured the problem out and I'm assuming you were able to clean the terminals and get it to work again rather than having to replace parts. Always nice when it happens.

Nice fix man - glad you're back on the road again:)

Posted on Oct 22, 2008


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Ignition starter switch

The key cylinder would be a last resort - it's remotely possible that either the key or the cylinder has become worn enough that it doesn't work right. It's more likely that the ignition switch has gone out again, but if you bought a new one, that doesn't seem all that likely either. If it is the switch, and something is killing it, I wonder whether the alternator or voltage regulator is going bad on you - if it's putting too much current into the system (or if the starter is getting weak and drawing too much current), maybe that could be causing the issue. Another idea would be to check out and maybe replace the starter relay - if it's allowing too much current flow, that could cause the switch to cook too. I hate to say it, but these are all just guesses - a recurring problem like yours could be the switch, but it sounds like something in the system is just allowing too much juice through and it's killing parts of your car.

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