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    Thread: Serpentine Belt Tensioner Pulley Bearing.

    1. Member Oichan's Avatar
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      02-02-2005 06:11 AM #1
      This morning, When I turned the IG key,I heared the strange sound from passenger side of engine bay.
      I got off my C, and opened the hood, The strange sound came out from around the tensioner pulley.
      I replaced the bearing after the work was finished in the work place.

      Stock bearing NTN 6203LHA Low torque type.

      Where is the grease?

      The 6203LHA bearing was out of the stock!
      I replaced that to the NTN 6203LLBC3.





      Modified by Oichan at 3:14 AM 2-2-2005


    2. Member Shikaroka's Avatar
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      02-02-2005 11:03 AM #2
      Awesome Oichan!
      How did you press out the bearing?
      Where did you buy this bearing?


    3. Member Strictly Gravy's Avatar
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      02-02-2005 11:09 AM #3
      Quote, originally posted by Shikaroka »
      Awesome Oichan!
      How did you press out the bearing?
      Where did you buy this bearing?

      Yeah, but i thought these were only sold as a full tensioner bracket assembly.

      -Greg


    4. Member Shikaroka's Avatar
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      02-02-2005 12:20 PM #4
      Yeh, I think that's the point.
      It looks like Izumi may have found a way to replace just the bearing, without replacing the whole expensive tensioner.


    5. Member Eric D's Avatar
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      02-02-2005 12:41 PM #5
      Oichan, you may have not seen this post before in the 12v forum.
      http://forums.vwvortex.com/zerothread?id=1138497

      Back in 2001 I made a similar post on repacking the bearing with grease.

      Others have had success replacing the bearing with a new one too.

      Since you got a LLB, I would go with a high tack grease to replace the original grease. Marine grease is ideal as its doesn't wash away, it will make

      The original Dub and Dubber.
      Manche VWs sind einfach schneller als andere.

    6. Member Oichan's Avatar
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      02-02-2005 08:04 PM #6
      Quote, originally posted by Eric D »
      Oichan, you may have not seen this post before in the 12v forum.
      http://forums.vwvortex.com/zerothread?id=1138497

      Back in 2001 I made a similar post on repacking the bearing with grease.

      Others have had success replacing the bearing with a new one too.

      Since you got a LLB, I would go with a high tack grease to replace the original grease. Marine grease is ideal as its doesn't wash away, it will make

      I remembered that thread, but, I lazyed that maintenance for the pulley. Im.....

      Isn't the damage given to the side seal when I remove the side seal of the bearing?


      Quote, originally posted by Shikaroka »
      Awesome Oichan!
      How did you press out the bearing?
      Where did you buy this bearing?

      I bought that bearing from the NTN shop of near my house.
      I did that work by .....
      I took the many picture of that procedure, but, my digital camera ate my 1.5-hours work. Sorry I take the picture again. Because, I have other the old tensioner.


    7. Member Eric D's Avatar
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      02-02-2005 08:22 PM #7
      Quote, originally posted by Oichan »
      Isn't the damage given to the side seal when I remove the side seal of the bearing?

      They do get damaged if the rubber seal is hardened.

      It helps to use a tiny precision flat head screwdriver, just don't pinch the seal or pry too hard. Doing so will distort the seal or damage the lip.

      The original Dub and Dubber.
      Manche VWs sind einfach schneller als andere.

    8. Member Oichan's Avatar
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      02-02-2005 08:46 PM #8
      Thanks Eric,
      I found the one problem....... LLB have the rubber molded steel side seal

    9. Member Oichan's Avatar
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      02-02-2005 08:59 PM #9
      This way!


    10. Member Oichan's Avatar
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      02-02-2005 11:50 PM #10
      Get M6*40mm bolt from any where

      Loosen the tensioner by tighten the bolt.

      Loosen the bolt of the pulley to the clockwise.

      After remove the pulley. I recommend hanging the belt by the string.

      Before The pulley was cast around the bearing. Can't slide out.

      Shaving the inner edge of the pulley by the razor blade(use reverse side)

      Shaved inner edge.

      Remove tool. junk parts

      Set the pulley to the vise like this.

      Press Press!

      Coming out.

      After removing the bearing.

      Shaved edge's close up.

      The tool to insert the bearing into the pulley. junk parts

      Set the washer to the bearing.

      Set to the vise like this. I recommend you use the Loctite 641.

      Press press!

      After insert the bearing.

      Left side: Early model's bolt is 17mm, Right side: Recent model's bolt is 15mm?



      Modified by Oichan at 5:43 AM 2-9-2005


    11. Member Shikaroka's Avatar
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      02-03-2005 09:59 AM #11
      That's good stuff!
      Thanks again Izumi!!!

    12. Member Oichan's Avatar
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      02-03-2005 10:13 AM #12
      Thanks I asked about 6203LLH to them, but that model is special order model. only the bulk order accepts.

    13. 02-08-2005 10:42 AM #13
      Where can you get these bearing in the states???

    14. Member Oichan's Avatar
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      02-08-2005 07:42 PM #14
      I got a LLB from dealer of NTN, and I will look for the LLH type at the NSK.

      NTN USA and NSK USA


    15. 01-12-2011 10:23 AM #15
      I know this is an old thread but for those searching for this bearing, Fastenal has metal shielded versions of this bearing for around $2. Search 6203 and look for the ones that are rated to 20K rpm.

    16. Member Eric D's Avatar
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      01-12-2011 10:49 AM #16
      Quote Originally Posted by Crusty_One View Post
      I know this is an old thread but for those searching for this bearing, Fastenal has metal shielded versions of this bearing for around $2. Search 6203 and look for the ones that are rated to 20K rpm.
      Not ideal at all. Metal shields are used in closed environments or where they will be serviced often.

      Rubber seals are used where the environment isn't friendly, the seals keep out the scheiße.
      The original Dub and Dubber.
      Manche VWs sind einfach schneller als andere.

    17. 01-24-2011 08:42 PM #17
      Why not just buy a new pulley with the bearing installed?

      $9+ shipping from http://www.vdubpart.com/VR6SerpentineRoller.htm

    18. Member Eric D's Avatar
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      01-24-2011 11:39 PM #18
      Quote Originally Posted by hoytmonger View Post
      Why not just buy a new pulley with the bearing installed?

      $9+ shipping from http://www.vdubpart.com/VR6SerpentineRoller.htm
      This is an option, remember this post is dated and a replacement pulley wasn't available.
      At the time you had 3 options, repack, new tensioner or aluminum pulley.
      The original Dub and Dubber.
      Manche VWs sind einfach schneller als andere.

    19. Member mhjett's Avatar
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      03-21-2011 02:22 PM #19
      Quote Originally Posted by hoytmonger View Post
      Why not just buy a new pulley with the bearing installed?

      $9+ shipping from http://www.vdubpart.com/VR6SerpentineRoller.htm
      Because that place apparently sells cheap Chinese knock-off parts. And just look at the website, looks like it was made in 1993.

      http://forums.tdiclub.com/showthread.php?t=308756

      http://forums.vwvortex.com/showthrea...arts.com-legit
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