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Audi A4 Maintenance and Repair



  • Disaster: drove the car about 50 miles today to burn off some of the regular gas. Stopped, grabbed a coffee and went for a 10 minute walk. When I got back to the car and tried to start it, it wouldn't start! Tried starting 4 times, nothing. Ended up getting it towed to my local Audi dealer. Hopefully nothing too serious is wrong (they reopen tomorrow), but a new car with only 14,000 miles shouldn't just NOT work because regular gas was put in the tank?? Beginning to have some serious doubts already about purchasing this Audi 2 weeks ago....
  • conallconall West TexasPosts: 91
    I've heard of fuel filters clogging within 15k miles.
    If that turns out to be the problem, I'd be careful where I buy gas.
  • this could be a cascade-type problem: lower octane fuel means I get the misfire and then also the fact that it could be crappy gas in the first place means the filter gets clogged, causing the car to not start anymore.

    If this turns out the be the case then I will be VERY careful about where I get my gas!
  • nrocknrock Posts: 1
    I have a 96 audi a4 quattro and the headlights are not working. Its not the fuse and its not the bulbs i think it might be a relay switch some where. When i turn the lights on the running lights come on but the headlights do not. Just wondering if any one had any advice on this situation.
  • Mr_ShiftrightMr_Shiftright Sonoma, CaliforniaPosts: 64,490
    Could be your headlight switch. Is it a stalk type? You might be able to sneak it out of the steering column (or dash if that's where it is) and bypass it to see if that lights up the headlights.
  • I had this similar problem and it is the little spring-flap inside the Audi fill-pipe that blocks the gas from going-in. You need to really push the gas filler deep into the pipe so as to ensure the little spring-flap is held open and not blocking any gas flow.

    Good luck - james
  • 204meca204meca Posts: 370
    Happy to say that I called the dealer back & asked that the mirror switch be replaced under warranty. He complied with no fuss. :D
  • I have a 1996 N Audi A4 Quattro and there is a bearing/diff noise coming from the back of the car. Afriend has also got this, he changed his diff with no luck.
    I'm hoping somebody knows of a common fault?? My suspicions were wheel bearing, however the previous owner changed them only 2 years ago.
  • Hi.
    I own an A4 Quattro and there is a rumbling bearing/diff noise comin from the rear of the car. Afriend also hea the same noise, he changed the diff with no luck.

    I would like to know if anyone has had the same problem at all? I would prefer to know before untightening the purse strings.
  • I bought the wife the A4 wagon without doing my homework by checking this message board. Today the oil light came on at 2,000 miles and sure enough it needs a couple quarts of oil. Called service and of course it is Sat so no help there called sales and of course they don't want to hear it.
    I gearing up for the stone walling that I assume will start. Will some one confirm that this consumption is NOT NORMAL because I assume this is the dance I am about to have.
  • ajg33ajg33 Posts: 13
    I have an '02 A4. Two weeks ago while driving the interior lights would come intermittently, then the fan for the hot air/ac stopped working, and then by the end of the week the battery died. I took the car to a local mechanic, he couldn't find any issues so he replaced the battery. A week later the fan for hot air is still not working and the new battery died. Took the car to the Audi dealer and they couldn't find anything. Something is draining the battery and must be related to the other problems. Anybody have similar issues?
  • Mr_ShiftrightMr_Shiftright Sonoma, CaliforniaPosts: 64,490
    Checking for a drain on a battery is a fairly simple diagnostic procedure. Are you sure this dealer didn't just give your car the 'sunshine treatment" as they say in the trade---that is, parked it outside for the day?

    If they did indeed do a battery drain test (you just hook up a voltmeter or ammeter) and nothing showed up, then they should test the charging system at full load.

    it's pretty much got to be one or the other.
  • ajg33ajg33 Posts: 13
    I definitely got "hosed" by the dealer as I went to pick up the car from them and the fan for the hot air still wasn't working...almost as if they never checked it. So I left the car with them and hopefully they can figure it out. I think the comfort control module and or climate module is short circuiting cause a drain on the battery.
  • Mr_ShiftrightMr_Shiftright Sonoma, CaliforniaPosts: 64,490
    Could be. They should be able to ascertain a battery drain and then, going fuse by fuse, isolate the circuit, and then, component by component within that fused circuit, find the culprit. This is the Hollywood version of how it turns out, but we wish you luck with it. Now that THEY know that YOU know, they may try harder.
  • richn2richn2 Posts: 44
    1999 A4 Quarttro, the brake lights have been replaced 5 times to-date, The last time was the first week of December. Yesterday (12/12/07) the right brake light went out. Before I return it to the shop to yet again have another light installed does anybody have any suggestions. Thanks
  • I went to the dealership the last week because my battery died and for an oil change for my 2000A4quattro 1.8T.
    day later driving on the highway my check engine light goes! Damnit

    After the usual process of cooling down I check the oil level and its almost a third of an inch above full level!

    The dealer said that that wouldn't cause the check engine light to go on.

    No visible sign of whitish oil sludge. Bought used but maintained with synthetic oil since. currently 111K miles. What is the deal???
  • I have the same problem. An independent shop told me it was the tires. He swapped the front to the rear and the noise went with it.

    Best of luck

  • Mr_ShiftrightMr_Shiftright Sonoma, CaliforniaPosts: 64,490
    you gotta scan it and see what codes are thrown first off. Otherwise you are groping in the dark here. As for the oil level, check it a few more times in a few different locations (different types of ground) to make sure you are getting a good reading.
  • shiposhipo Posts: 9,148
    Overfilling the oil CAN lead to an oil light. Why? Because if the oil is too full then the crank throws and rod ends will start splashing down into the oil, introducing lots air bubbles into the oil. If/when that happens, then your oil pressure will drop and at low engine speeds, and a light can be the result.

    That said, a third of an inch isn't very much, and some engines allow for that much of a margin of error, others don't, and I'm not sure which camp the 1.8T falls into.

    Best Regards,
  • Mr_ShiftrightMr_Shiftright Sonoma, CaliforniaPosts: 64,490
    I thought of that and decided that no, that's not enough of an overfill. But no harm in draining that out if indeed there's too much in there. To cavitate the oil there has to be a lot of extra oil in there.

    Having said all that, sure, drain it out, reset the light and see what happens.

    Sure would be good to scan it though.
  • Hi all,
    Just wondering if someone can shine some light into my car drama. I have a 2003 A4 3.0 currently with 98,000 miles which I purchased new. At 11,000 miles my car stopped in the middle of the parkway - recall - fuel injection replaced. Starting around 65,000 miles or so, I started running out of oil 1,000-1,500 miles before my schedules appointment. After this happened several times regardless of checking the oil, I automatically get my oil changed every 3,500 miles and I stopped taking it to the dealer for oil changes. The jiffy lube type place usually uses 6 quarts of oil and it is synthetic. My question is my left catalytic converter went around 78,000 miles which was covered. Now, my right catalytic converter went which was costly (extended warrenty didn't cover it) I was told that it ws rare for catalytic converters to go in these types of cars. Can my oil problems (running out of oil, possibly using to much oil, not using Audi filter) causing my catalytic converters to go or is the fuel pump / engine issues with these types of cars the cause.
  • Mr_ShiftrightMr_Shiftright Sonoma, CaliforniaPosts: 64,490
    Sure excessive oil burning can wipe out a catalytic converter. You should have a cylinder leakdown test performed on your engine.
  • I have a '07 2.0T Avant I purchased last month from an Audi dealer which had approximately 4,500 miles on it at time of purchase. Got the 5k service a few weeks ago and everything checked out fine. The other day, though, I noticed that the tail pipes are coated with a pretty thick black soot. At start up and on heavy acceleration I haven't seen any blue smoke, and I haven't seen an oil level drop. But, the soot accumulation is way more than I've noticed on any of my other cars before. Before I run back to Audi and get it checked, has anyone else noticed this?
  • I have basically the same car and I notice this too. I believe this is caused by this engine running rather "rich" at startup, possibly due to the direct injection. This is a common complaint and is discussed some at You can get something called NEVR-DULL at Wal-Mart for about $4 that will clean the pipes easily. It is a cotton wadding polish and a can of it will last a long time. At any rate there is nothing wrong with your car.
  • check your tires. have them rotated and see if the sound comes from the front now.
  • Thanks for the tip. There is some discoloration and deposits on the chrome exhaust tips, so I'll try that polish for them. What really caught my attention was just how much soot was inside the pipes...glad others have seen this too.
  • I had a problem with my ex- 2003 A4-3.0 in that the gas pump would also shut off. I pulled the nozzle out and stuck a pencil into the filler tube, and could feel (and smell) the fuel vapors escaping from my fuel tank. After the pressure was relieved, I could continue to fill the tank. It finally happened when the dealer had the car (to fix other problems) so they replaced the fuel tank! Apparently in order to change the tank vent, they had to replace the tank itself. That seemed to solve the problem for about one year, then it started to happen again. It became a real pain to try to fill my gas tank. Check to see if your tank is pressurized. I traded the car in for a 2005 Acura Rl a few months later, and I'm glad I did. I've had a couple of minor problems with my Acura, but they are nothing compared with my A4. Good luck!
  • tgai69tgai69 Posts: 7
    Hi my '98 A41.8T quattro :lemon: engine temp gauge is dead anybody know of a DIY way to fix this caused i just spotted wrecked A4 i can easily pull parts off.......ohh what is it with audi sensors! check engine light came on; replaced mass air flow sensor,knock sensor and catalytic converter and the sucker just came on again ...drives fine though :D
  • I have a 2003 A4. When I purchased the car the black plastic face that covers the change drawer in the console (next to the hazard symbol) was missing. The drawer functions fine -- when you press on it it releases without incident. It is just missing the smooth plastic face with the drawer symbol on it. So, clearly just cosmetic, but this is a "new" car to me and I want it to look the way it is supposed to.

    The dealer sent me a replacement piece. I expected it to be just the plastic piece, but it is the entire component -- the drawer, mechanics and all. It looks as if I need to take the entire console apart, remove the drawer and refit it with the new drawer. Is this really the case? Or is there a way I can somehow snap off the face from the new piece they sent and snap it on the existing drawer?

    The piece looks as if it could snap off, but I am a little afraid of attempting that and winding up breaking the new piece. I'm also, to be honest, a little wary of how much it might cost to have the console taken apart and refitted.

    Any thoughts? Thanks for your time.
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