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    Thread: Catalytic Converter Warranty

    1. 02-03-2009 09:41 AM #1
      Local muffler shop says I need a new catalytic converter/downpipe for my '03 1.8T - $975 installed. Might this be covered by the VW emissions systems warranty? Anybody have experience replacing this part?

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      02-03-2009 09:42 AM #2
      Yes, it's covered by a law. Take it to the dealer as long as it has less than 70,000 miles and they have to replace it for free.
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      02-03-2009 11:00 AM #3
      or you can get a dp with a high flow cat for much less and get a small power increase at the same time :thumbup" and you can do it your self since its only 6 bolts..
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      02-03-2009 11:01 AM #4
      Quote, originally posted by GTINC »

      Only if it is, in fact, defective.

      Also, if it is defective, they may need to determine how it failed. If from improperly adjusted mixture or from impact, it should not be covered by the warranty, IMO.

      True, forgot to mention that.

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    5. 02-03-2009 11:03 AM #5
      Quote, originally posted by tofik0 »
      or you can get a dp with a high flow cat for much less and get a small power increase at the same time :thumbup" and you can do it your self since its only 6 bolts..

      will a high flow cat pass emissions? I've heard it MIGHT not


    6. 02-03-2009 11:05 AM #6
      Quote, originally posted by ali baba »

      will a high flow cat pass emissions? I've heard it MIGHT not

      as long as you can find obd2 for california.


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      02-03-2009 11:13 AM #7
      Quote, originally posted by ali baba »

      will a high flow cat pass emissions? I've heard it MIGHT not

      I am running a Magnaflow high flow catalytic converter on my car and it passes with flying colors. (plus they are a lot cheaper)

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      02-03-2009 11:16 AM #8
      if your catalytic converter is not throwing an actual fault code then the dealership wont cover it. mine rattles like a MOFO and its still not throwing a code, so of course they keep telling me its fine, even tho if i tap it with a hammer you can hear all the pieces jumping around inside

      on some cars i believe there is an extended warranty to 100,000 miles or 10 years, so may wanna look that up as well.

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      02-03-2009 11:18 AM #9
      Quote, originally posted by Clean PG »
      if your catalytic converter is not throwing an actual fault code then the dealership wont cover it. mine rattles like a MOFO and its still not throwing a code, so of course they keep telling me its fine, even tho if i tap it with a hammer you can hear all the pieces jumping around inside


      Just pay the $250 for a Magnaflow and be done with it. I had the same issue.
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    10. 02-03-2009 01:28 PM #10
      Well there is an exhaust leak - I don't know if it is in the catalytic converter itself or in the piping - I suspect the latter. Sounds like the dealer won't replace it under warranty even though it's all one piece?

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      02-03-2009 01:36 PM #11
      Its easy to tell where the leak is coming from.

      1. Jack the car up enough to get under it.
      2. Start car.
      3. Get under there and listen for the "fart sound" follow it with your hand along the piping and you should feel air puffing out.
      4. Fix it.

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    12. 02-03-2009 02:47 PM #12
      I went into the dealership with my 2000 2.slow with 160,000 kms, told them I hear a noise coming from the muffler. Cat was replaced under warranty

      Granted, I knew one of the techs there


    13. 02-03-2009 05:24 PM #13
      Quote, originally posted by skateman190 »

      1. Jack the car up enough to get under it.
      2. Start car.
      3. Get under there and listen for the "fart sound" follow it with your hand along the piping and you should feel air puffing out.

      It's 30F and snowing in Boston - you're welcome to come by and crawl under my car if you'd like.

      Quote, originally posted by skateman190 »

      4. Fix it.

      What do you prefer - orange juice can and bailing wire? Or a tube of muffler weld from the auto parts store?


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      02-03-2009 05:42 PM #14
      Quote, originally posted by ricas_gti »
      I went into the dealership with my 2000 2.slow with 160,000 kms, told them I hear a noise coming from the muffler. Cat was replaced under warranty

      Granted, I knew one of the techs there

      The AEG 2.0 has an extended warranty program on, it's good for 10 years 120K miles, I had mine done as well free of charge @ ~170,000 kms.

      I think all the others are 70 or 80K miles.

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    15. 02-13-2009 12:51 PM #15
      Replaced by the dealer under the 8yr/80km warranty. The leak was in the flex joint on the downpipe.

    16. 02-13-2009 04:18 PM #16
      Quote, originally posted by ali baba »

      will a high flow cat pass emissions? I've heard it MIGHT not

      My GHL downpipe just barely passed CA smog testing a year ago. Pipe was purchased brand new. Car runs like a champ and gets awesome mpg. Previous smog test was done with factory DP and cat and it passed with flying colors. In my limited experience (with this and one other car), aftermarket cats just don't work as well as OEM cats. I'll be nervous when the next smog test rolls around next year.

      With my other car, the aftermarket cat just barely caused me to fail. Swapping the oem pipe back on the following week let me pass with a huge margin. The tech said my original test would have been passing not too long ago, but they recently lowered the amount of acceptable emissions.


    17. 02-13-2009 05:58 PM #17
      Just for completeness...

      1J0-254-506-SX Catalyst $605.00

      Plus gasket, nuts, washers, and labor.


    18. 02-13-2009 06:23 PM #18
      Got some needed advice here!

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      02-13-2009 07:02 PM #19
      Quote, originally posted by Clean PG »
      if your catalytic converter is not throwing an actual fault code then the dealership wont cover it. mine rattles like a MOFO and its still not throwing a code, so of course they keep telling me its fine, even tho if i tap it with a hammer you can hear all the pieces jumping around inside

      on some cars i believe there is an extended warranty to 100,000 miles or 10 years, so may wanna look that up as well.

      You are correct vw extended the warranty on the cat system I cant remember if its 100k or 120k. But It must fail readiness on the cat in order for them to replace it


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      02-13-2009 07:39 PM #20
      What's the stud size and thread on the turbo flange end of the DP?
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    21. 06-29-2009 06:28 PM #21
      Just had car serviced at an VW indy shop and told me I need a new CC, CEL confirms code. It is a 2003, 2.0 Jetta. I know someone has already mentioned some details, but if someone can confirm if VW did extend warranty and up to how many miles, I would appreciate it.

      Thank you!


    22. 04-04-2012 08:51 PM #22
      I'm finding some info says 2.0 10 years or 120,000 miles and some that say 10 years and 100,000.

      One local dealership of course says 10 years or 100,000. I have a 2003 2.0 and 113k of course

      Anyone have written info that shows 120,000 extended warranty?

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