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    Thread: Service interval for the Clean Blue additive on the Passat TDI.

    1. Member TSeck's Avatar
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      01-26-2012 08:59 PM #1
      Anyone know for sure the cost and replacement interval for this service? Also, Is this something we can do at home or is this only available from the dealer $$$$

      I'm considering the Passat TDI for a host of reasons. I need to get a good handle on the actual costs for maintenance.

    2. Member dubfreeek's Avatar
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      01-26-2012 09:13 PM #2
      Been told the interval is around 5500 miles but unsure of the cost. I do know the additive is available at larger truck stops and even some auto parts stores.

    3. Member Turbonium20V's Avatar
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      01-26-2012 09:14 PM #3
      Every 10k and you can buy generic urea for cheap in places like auto zone.

    4. 01-26-2012 09:20 PM #4
      Its part of your scheduled maintenance every 10k and is covered under the free maintenance program for 3yr/36k miles.

    5. Member TSeck's Avatar
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      01-26-2012 09:55 PM #5
      All true, but I put about 20k miles a year on the car (TDI justification) so that nets me about 1.5 years of "free maint". After that, its my cost. I have a 7.3 diesel Excursion so I'm no stranger to these engines. These new "clean diesel" engines require more frequent service and costs. If I buy one it will be for the long haul (300k-500k).

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      01-26-2012 10:55 PM #6
      I had read in a review article several months back that the fluid in the 5.5 gal tank should last for around 50k miles, however VW suggests to top it off every 10k miles. That just happens to coincide with the maintenance interval. There is a warning light when it gets low, so the only reason to fill it every 10k miles is during the free maintenance period. Outside of that Auto Parts stores carry it. O'Reilly's Auto sells a 2.5 gal jug for $13. Way more expensive at the dealership.

    7. Member Turbonium20V's Avatar
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      01-26-2012 10:55 PM #7
      Quote Originally Posted by TSeck View Post
      All true, but I put about 20k miles a year on the car (TDI justification) so that nets me about 1.5 years of "free maint". After that, its my cost. I have a 7.3 diesel Excursion so I'm no stranger to these engines. These new "clean diesel" engines require more frequent service and costs. If I buy one it will be for the long haul (300k-500k).
      I'll say your looking at the right car then.

    8. Junior Member
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      01-27-2012 09:24 AM #8
      Grainger sells 2.5 gallons for $14.78.

      http://www.grainger.com/Grainger/AIR...GJ8?Pid=search

      Advanced Auto Parts has 2.5 gallons for $12.99

      http://shop.advanceautoparts.com/web...content=value4
      Last edited by jrisingtide; 01-27-2012 at 09:28 AM.

    9. 01-27-2012 10:41 PM #9
      My local Walmart has 2.5 gallons for $10.00

    10. Member
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      09-10-2013 02:05 PM #10
      Was told that Freightliner was the cheapest for Canadians,,

    11. 09-10-2013 04:36 PM #11
      My new TDI is almost 6 months old and about to hit 10k miles, the warning light hasn't come on for more DEF. The stuff is cheap, it's the least of your worries...

    12. Member
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      09-10-2013 05:14 PM #12
      Quote Originally Posted by TToplessTTs View Post
      I had read in a review article several months back that the fluid in the 5.5 gal tank should last for around 50k miles, however VW suggests to top it off every 10k miles. That just happens to coincide with the maintenance interval. There is a warning light when it gets low, so the only reason to fill it every 10k miles is during the free maintenance period. Outside of that Auto Parts stores carry it. O'Reilly's Auto sells a 2.5 gal jug for $13. Way more expensive at the dealership.
      I believe the other reason for the top off is to keep the tank "fresh" so-to-speak. Reading a thread at TDIClub, it was mentioned in a few places the AdBlue (or the other commercial names) all have about a 2 year shelf life. For the regular driver of 12-20k miles / year, the smaller bottles every 10k miles or so should suffice. Most did not recommend buying bulk the 5 gal container because it wouldnt get used in time before it's expiration. That and the smaller bottles (especially the VW OE service bottles) have a spill free feature.

      But agreed, the cost and frequency of needing to add this stuff every so often would not discourage me in the least.

    13. Member
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      09-10-2013 06:26 PM #13
      Just did the 20K service and put in 1.75 gallons of adblu. Same as at the 10k. At $11/2.5 gallon jug at Napa, that's 63 cents per 1000 miles. At the rate I use it, I'm good for over 20K miles per tankful. Your mileage will vary, as it seems that higher mpg rates use more urea.
      2012 SEL TDI DSG - Platinum Gray with Moonrock
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    14. Member
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      09-10-2013 09:01 PM #14
      The car typically uses between 2 and 2.5 gallons every 10,000 miles.
      The tank holds 5.5 gallons.

      So the farthest between doing something - getting the dealer to fill it or you filling it yourself - is about every 20K.

      I had the dealer do it once so I could see what they do, and they have a special siphon tube that prevents spills from occurring.

      The little bottles are about 8 bucks each and they have a no-spill feature as well.

      Be careful not to spill it in the trunk it makes quite the mess.

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      09-11-2013 03:46 AM #15
      Quote Originally Posted by kendavis View Post

      The little bottles are about 8 bucks each and they have a no-spill feature as well.

      Be careful not to spill it in the trunk it makes quite the mess.
      You can unscrew the top of the OEM bottles and refill them from the 2.5 gallon jug. Saves having to buy special bottles all the time or worse, cutting the bottom off to make a 'funnel'. Plus it helps to gauge what you put into the tank, 1/2 gallon at a time.
      2012 SEL TDI DSG - Platinum Gray with Moonrock
      2007 Touareg V6 - Offroad Gray w/ Anthracite

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