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Audi A4 Maintenance and Repair



  • Hi All: I have checked forum posts for problem shown above. My understanding is that the hazard flasher is integrated within the hazard switch itself. My problem is rather strange...the hazard flashers AND the turn signals quit working simultaneously. Also, not only is there no flashing, the lamps do not even light up when the turn signals or hazard lamps are activated. Can I assume that unless the hazard flasher controls BOTH hazard light and turn signal functions, the problem is being caused by something else? I have pulled and checked EVERY fuse in the fuse panel under the left side fuse panel cover. Is there another fuse panel that I am not aware of? Also, if there is a separate flasher for the turn signals, can anyone advise of the location and/or part number of the flasher? Mystified... audiphile3/vwdawg
  • mrsjjjonesmrsjjjones Posts: 4
    edited August 2010
    I bought a 2000 A4 Quattro last week and today I had the oil changed for the 1st time. They put 5 quarts of synthetic oil in it. This afternoon the check engine light came on and when I had it checked, the message related to the catalytic converter warm up below thresh hold. The car has a slight leak over one of the fuel injector s which I have scheduled to be fixed and to have the injector looked at for damage. Could these be related issues? The car didn't have an owners manual so I'm looking for one. I am new to auto mechanics but would like to understand what is happening with my car. Thanks for any words of wisdom!
  • rowlandjrowlandj Posts: 254
    Get that injector leak fixed and then clear that code and see if it comes back. Converters are very sensitive to air/fuel ratios and if your leak is causing it to run lean it could be throwing that code. Also, did they use the full 5 quarts of oil? If they did that's an over-fill for the 2.0 engine (assuming that's what you have and not the V6). I would check the oil level as well and be sure it's not over the maximum fill line. If you have too much oil in the engine it can foam up as the crankshaft whips it up and that cause issues.
  • I have the V6 engine in my Audi.
  • I double checked with the mechanic who changed the oil and he said he called in to check and they actually put 6 quarts of oil into the engine. Is that correct on the V6?
    We will fix the leak and check over the injector and go from there on the other error. Thanks.
  • rowlandjrowlandj Posts: 254
    I cannot be sure if that's correct for the V6, but 6 quarts 'could' be correct.
  • Mr_ShiftrightMr_Shiftright Sonoma, CaliforniaPosts: 64,490
    6 quarts with the oil filter is correct.
  • vwdawgvwdawg Posts: 162
    Hello all: Just replying to follow my original post (#2228) from 8/810. I did discover that BOTH the hazard and turn signal flashers are integrated into the hazard warning SWITCH located in the center of the dash. This was after I had pulled out the lower dash cover underneath the steering wheel, found SEVERAL devices that looked like they might have been flasher units, and bought a new one that didn't solve the problem (couldn't return it, of course). Anyway, the plastic trim around the radio must be popped out, which accesses two 10MM bolt heads, remove the bolts, pull out the metal frame, then just pull the old flasher switch straight out. I found a flasher at a salvage yard for $5, but they can be found new on line for around $60. Good luck...audiphile1/vwdawg
  • vwdawgvwdawg Posts: 162
    Hello, all: '97 A4 2.8Q w/ 80k miles. Steering rack was leaking PS fluid through seals. Replaced both high and low pressure hoses (got them custom made at a hydraulics supplier using old fittings, for a lot less than buying new ones), and also put in a used rack. This solved the leakage, but now the steering is rather hard. Could this be due to air in the system, and should the system be bled? Any other possible causes here? Feedback much appreciated. Thanks! vwdawg/audiphile1
  • wwlanewwlane Posts: 1
    I have a 2007 A4 and I am getting a code for fuel rail pressure too low. The fuel pump and pressure regulator has been changed but still getting code. When trying to accelerate car loses power and bogs down. Any suggestions?
  • rowlandjrowlandj Posts: 254
    Is the car OK at idle? If so you may have a blocked fuel filter.
  • Hello -
    I just purchased a 2011 A4 - awesome car. Although, as soon as I left the dealer I noticed that the steering wheel is off-set a little to the left (sometimes almost an inch). The car does maintain straight on the road, and the alignment and drive of the car is 100%. This is not due to the crest in the road - the wheel is still cocked on a perfectly level, straight paved road. I was wondering if anyone else experienced this problem with their Audi and what to do. I don't want to (or have the dealer) mess with the alignment if not neccessary.
  • If it is just a poorly installed steering wheel they should be able to remove it and shift it a a few 'splines' to line it up properly.
  • So I opted to swap out my own rear bulbs. Removing the assembly was easy enough, but finding the right bulbs killed me. Converting GE bulb numbers to Sylvania numbers; matching prongs and Volts and Watts. Ugh. Anyone else had this issue?

  • Replacing rear light bulbs is a challenge. I had taken my car to a local Goodyear dealer that I trusted and they got it wrong. I drove off after the repair and then after a while the light was out again. In addition to the problem of figuring out the right bulb, they broke a piece of the bracket holding in the light fixture so that now it doesn't quite fit in tighly like it should. I ended up taking it back to the dealer for them to install it (free) and a few trips to Pep Boys to get the right bulb.

    I found this experience to be a perfect example of how it can be frustrating to own a luxury car instead of a Honda Accord as I had before.

  • Hey Everyone,

    So I'm in the process of choosing a new car and I have narrowed it down to three wagons. The A4 Avant, the BMW 3 series wagon, and the Cadillac CTS wagon. I'm having a very hard time deciding. I was totally set on the A4 but a neighbor warned me to stay absolutely away due to the ongoing issues of his. Everything from the ipod connectivity to the engine sucking a quart of oil every 2k miles kept his 09 A4 in the shop more than on the road. So I thought to ask everyone here in this forum if they know of any below average reliability or maintenance issues with the newer A4's... Any help or opinions would be greatly appreciated!
  • Hi,
    I've had my Audi for 3 years now and bring it into the dealership for regular service. I've been driving it much more lately (used to walk to work) so can see the distance between service visits become much shorter in the coming years. Is there a repair manual (Chilton Guide?) for 2005 Audi A4 that's inexpensive? I've seen them range from 100 to 2000 dollars USD. Could i get use a forum like this to, say, change the oil or change air filters, etc?

  • Mr_ShiftrightMr_Shiftright Sonoma, CaliforniaPosts: 64,490
    Chilton's would be of limited use to you but would cover some basics. You get what you pay for. Better than nothing, but rarely good enough. The best manuals for German cars come from Bentley Publishing, but I don't think they have an A4 in print form. They might have something on CD or DVD, but I hate those. Nothing like a book in front of you when you are trying to repair something!

    Sure, you can use our Forums to ask questions and also don't forget we have a very nifty ANSWERS DEPARTMENT for additional advice.
  • A couple weeks ago when driving my 2006 a4 a spring popped off from my clutch pedal (or so the tow truck driver told me it was).. I cannot find anyone to replace this or even check it. I have had such a HORRIBLE experience dealing with the Audi Dealerships in Dallas, TX, that I am never going back to one. Does anyone know if this is a simple/common repair, or of a good mechanic in the Dallas, Tx area?
    I really like this car, but have had my fair share of troubles with it.
  • Back with another issue with my audi. I have been noticing increasing valve chatter coming from the engine area, to the point that when I drove home one day, my wife thought she heard a diesel engine in the car. I was told that it could be the valves and they need to be redone. As I understand it, there's no adjustment on these, only replacement of some parts.

    Is this truly a valve issue? or do I need to check somewhere else first? Thanks for sharing.
  • Mr_ShiftrightMr_Shiftright Sonoma, CaliforniaPosts: 64,490
    Did you change your oil recently and did you use a non-Audi oil filter or some budget quick-change filter? If so, this can be a problem with the V-6 engine and induce valve noise. Just an outside chance---it has happened.

    That is correct---there are no adjustments to the valves, so it's possible you have defective lifter or lifters, or a worn camshaft. Please check your oil level and if you're due for a change, get an Audi filter and see what happens.
  • pehpeh Posts: 2
    Wendyx, did you solve the front end shuddering on your A4? Mine does the same exact thing on acceleration. Not brakes, they're good.
    Thanks PEH
  • pehpeh Posts: 2
    My 2003 A4 Cabriolet shudders upon acceleration. Not a brake problem or wheel balance. At any acceleration speed....0 to 30 or 40 to 50 etc.
    Anyone have the answer?
  • vwdawgvwdawg Posts: 162
    lyallbarbour: Shiftright is right, the best manuals would be obtained from Bentley, IF they happen to publish one for your model. I have a Haynes manual for my 97 A4, and like Chilton, they are fairly useful for your basic repairs/maintenance. You can also check with a dealer for a full-blown manual, but that's going to be big bucks. I think you meant "$100 to 200", not "$100 to $2,000", right? audiphile3
  • My 2004 Audi A4 3.0 convertible's check engine light came on and I just had the ignition coil recall performed. My check engine light continues to come on...the computer kept showing misfires on Cylinders 3 & 4. There was about a 5 second rough start when the engine was started cold. After a week in the shop, the dealership says it is a coolant leak in cylinder 3 only...they are no longer seeing misfires on cylinder 4. They want $2400 to take the engine to a machine shop and THEN will give me an estimate for the repair assuming they find the problem. Any advice?
  • My A4 Quatro fuel sensor stopped working just after the 50,000 mi warranty expired. The low fuel warning light is on all the time, the miles remaining indicator is not accurate and the fuel gauge does not work. I use the digital trip odometer to show how many miles driven after a fill-up. My dealer in CT told me I am out of warranty and thus have to pay possibly hundreds of dollars just to diagnose the problem by plugging into their diagnostic machine. I have not seen any discussions in various forums about failed fuel sensors in an A4 with less than 100,000 miles. This should not be a part that wears out/fails so quickly. I will talk to the local service manager again to ask if they will diagnose the problem at their cost and fix it at their cost. If they argue with me, I will try to get a contact in the US service management team. I have the Haynes manual to show how to access the fuel tank to replace the sensor (2 sensors in the fuel tank because of AWD). I have the means to replace the sensor outside of the local dealer, but would prefer that it be handled at the dealer level. It seems to me they would want me to purchase another Audi when I am ready for my next car. Any recommendations from the forum are appreciated.
  • vwdawgvwdawg Posts: 162
    simonmj: Just like a medical problem, I would say "get a second opinion" Sorry, I'm not a big fan of dealerships...some are good, some are outrageously bad. Find an independent Audi specialist and ask them to check out this issue. I find it ridiculous that you should spend $2,400 just to find out it there is even a problem. Personally, I would put some high-quality "stop leak" in the cooling system, but that's only MY opinion. Some of those products are very effective at solving this type of problem. In any case, you should certainly attend to this relatively quickly.
    Let us know what happens here. audiphile1
  • Our 2006 Audi A4 Cabbriolet 1.8t has begun to shutter and shake under light acceleration at speeds of around 20-30. It seems to happen most often while turning left through an intersection, and then accelerating away from the turn. Our beloved Audi only has 39,000 miles on it, we have no SES lights on, and have not taken it to a shop yet. Any help from you guys on what you think it might be would be greatly appreciated!!! We love our car, but are scared about what this shuttering could mean. Please help us!!!!
  • rowlandjrowlandj Posts: 254
    Likely not a transmission issue but rather a CV joint or wheel bearing. Given that it happens only under the circumstances you mentioned. A good mechanic should be able to diagnose it quickly and if it's a CV joint the damage should be visible.
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