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Volkswagen Jetta Maintenance and Repair

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  • I OWN A 06 JETTA TDI, WITH DSG, PKG 2, 14,850 MILES ON IT. LATELY I HAVE NOTICED A POTENTIAL PROBLEM. WHILE DRIVING EITHER ON HIGHWAYS OR CITY I NOTICED THAT MY JETTA STARTED STUTTERING WHEN I NEED TO ECCELARATE HARDER THAN NORMAL. I NOTICED THIS PROBLEM FOR THE FIRST TIME ON A TRIP TO TN IN AUGUST, WHEN I HAD TO ECCELERATE HARDER ON THE INTERSTATE. ENGINE ACTS LIKE IT STUTTERS AND DOESN'T WANT TO SMOOTHLY ECCELARATE AT ALL. I AM ALWAYS HAVING THE VEHICLE SERVICED AT THE VW DEALER. I NEED TO BRING MY CAR TO THE DEALERSHIP FOR THE 15K SERVICE AND WOULD LIKE TO KNOW WHAT'S GOING ON BEFORE I TAKE IT IN FOR SERVICE. ANY SUGGESTIONS WHAT MAY BE WRONG?
  • i was going to try and clean the MAF, to do so, do i have to use 100% isopropanol alchohol?

    thanks again
  • bpeeblesbpeebles Posts: 4,081
    Not many people have access to 100% IPA unless they are a chemist or the like.

    Perhaps you should consider one of the available commercial MAF spray cleaners. Even Carb Cleaner or Brake cleaner should work. (as long as it is not too caustic to the delicate components)

    If you do a simple web-search for "MAF cleaner", you will find all kinds of information.

    HOWEVER: If your MAF sensor has been contaminated with oil, the high-temp self-cleaning cycle may have just burned it up. Cleaning the MAF sensor will not fix this kind of problem. This is why using one of those "oiled guaze" airfilter is not a good idea.

    specific to VWs, there is always the MAF 101

    I assume you know about the extended MAF warantee?

    In the end.... I STRONGLY suggest you simple use VAGCOM to plot a graph of your MAF while driving. That is the only accurate way to diagnose a bad MAF sensor.
  • hey man,

    i checked out that warranty letter, thanks, but unfortunatly i dont qualify for it (i have 185,000km on my car)

    i did find some rubbing alcohol which is 99%, i did as you said (put it in the ziploc bag and fill with the alcohol etc.) and i am actually just waiting for it to dry, i am going to leave it overnight and then check it in the morning then if its dry i am going to reinstall it and then go from there, also i am putting in a new VW filter, so hopefully it works and save me from having to buy a new MAF

    i figure might as well try that first, i mean for 4 bucks (for the bottle) and a lil patience its better then running out and buying a new MAF right away

    i'll let you know how it works out
  • I have a problem with my '07 GLI that VW dealer doesn't know what to do with. The driver's seat squeeks under cornering for months now. The noise is coming out of the right hand side of the seat base (next to the arm rest), right at the crease between the upper and lower part of the seat. This area is covered by plastic, and I do not know where to even begin looking for the source. It is relieved when I press the left hand-side lever on the seat up or down but the squeek starts again soon.Has anyone had this problem before???

    thanks!!!!!!!!!!!!!!!
  • How difficult is it to replace the front, driver-side fender liner? I ripped it out going over a curb.
  • As wheels go forward they intermittently pause or slip as if on wet leaves. Front axle? Transmission? It's manual 5 speed. Had some steering bolts and seal replaced a month or so ago if that information helps. What may be causing this and to what type mechanic do I take it? Any idea of cost? I am not rich or stupid.:confuse:
  • I started checking this site more than two years ago when my daughter wanted to buy a 99 New Jetta with about 70 K miles. At first I was amazed that there were more than 4,000 messages about problems with Jettas (now nearly 5500!) but she was persistent, we took it to my mechanic (who said I would become his "best friend" but didn't find much wrong)...and we haven't regretted it since. The Check Engine light came on recently (at 90 K miles), which was my opportunity to get the Vag-Com software I learned about here and start diagnostics at home! Turned out the problems was an intermittent Engine Coolant Temp Sensor, which I bought and replaced--again with help from this site. So I saved some money, got a cool new toy (the Vag-Com) and, best of all, the transmission shifts a lot smoother now--an added benefit of having a working sensor. So: Thanks, pat & karens, and all the participants on this site! :) :)
  • What "slips" exactly? Do you mean that the engine races for a second and the car seems to stand still, and then you let off the gas a bit and the car goes forward?

    If that's what's happening, I think you have a bad clutch.
  • No, "Spin" may be a better term. Like if every so many feet there were ice, so the tires would get traction then slip or spin for a short period, gain traction, then spin again, etc.
  • Does it make bad noises when it does this?
  • ok, so i went to the dealership, and they scanned my sensors for me and said that the O2 and MAF sensor are all within specifications for the vehicle

    but yet i still get garbage mileage.....any ideas guys?? the guy at the dealership said that during the winter time i should see a drop to about 450km to the tank

    i laughed! i cant even break 350 with warm weather

    i dont know what else to do guys
  • While checking my OBD II for emissions (inspection expires 12/31/07) I see an error code P0600. Ther was no MIL on and I just came across it. Two weeks ago I had the transmission speed sensor (the one INSIDE transmission) replaced at the VW Dealer. Could this be their mistake? Wil it still pass inspection? HELP!!!
  • jeffyscottjeffyscott Posts: 3,855
    What do you get for straight freeway driving? That is the easiest to compare, other types of driving just vary too much.

    Even a car rated at 30-40 mpg will get poor mileage if you are, for example, only driving 2-3 miles at a time, expecially in the winter. I think my kid got as low as 15 mpg in an old Nissan Sentra...for which new adjusted EPA rating is 23/33. This was beacuse he was driving 3 miles to school and 2 miles to work in winter.

    For the Jetta III ('99 could be either III or IV, I believe), CR measured 17 mpg in their city test back in Nov. 1994. So if your driving is similar to their test and you put in about 13 gal when you fill it back up, 350 km could happen. What did you drive before and what mpg did you get for this same type of driving?
  • Has anyone else had any major problems with new 2008 Jetta's? I've got 2500 miles on mine, and a quote from the dealer going from $780 for a new transmission pan all the way up to potentially $4200 for a new transmission. The service tech is telling me I hit something (no matter how many times i've said I didn't), which means it's not under warrenty. All he'll say is I should call my insurance agen, which isn't particularly helpful given the fact that comprehensive insurance doesn't cover mechanical problems. Any tips for me? This was my first major new car purchase, so I'm new to this...
  • jeffyscottjeffyscott Posts: 3,855
    insurance doesn't cover mechanical problems.

    Sure it can, if the problem was caused by hitting something. For example, if you are in a collision and you need a new engine as a result that would be covered by insurance.
  • ahh...that's the catch that I obviously forgot to include...I haven't hit anything. In fact, the toughest this car has been driven was probably up a relatively steep gravel driveway, and in some construction zones (like over a road plate or two, perhaps a bit of debris but nothing large). I wish I'd hit something, it'd probably be easier...
  • jeffyscottjeffyscott Posts: 3,855
    Yes, but the tech is claiming that there is evidence that you did...apparently a dented transmission pan???

    You could just report the truth to insurance company, that you do not recall hitting anything, but VW tech is saying there is damage from hitting something and let the insurance company and VW sort it out from there. If you have a low deductible that would probably be the easiest route.
  • Ok, thanks for the advice. I actually called my sales rep at the dealer first, and am going to try and work through him and the dealer GM to get the situation resolved. If that doesn't get me anywhere, I'll work with my insurance agent like you suggested. I'm hoping to avoid that route, because I'd hate for the dealer's attempt to avoid a warrenty repair to end up with me having higher rates, but I can't afford 4 grand on a new transmission in a new car either...anyone else out there who bought a new jetta and has had major repair issues?
  • i am not too sure what i get to straight freeway driving, i was going to fill her up, take a cruise on the highway for an hour or so, and then fill her back up and take note of how much i had to put in and then do the math.

    i've owned the car for about a year now, i bought it used and have been having this problem ever since, i DO do alot of city driving, i drive to and from work and its not that far of a distance and bomb around with friends. i just filled up right now and my trip meter was at about 320km that was with some hwy, some city, but mostly city, its hard for me to judge now, cause there are, like you said, alot of varibles to consider, alot more now i think then when i was driving in the summer time (using the heat, defroster, revving the engine if i get stuck in a pile of snow, colder weather etc.)

    the guy at the dealership said that i should easily break more then 400 in this type of weather....
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