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    VWVortex


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    Thread: Zimmermann Rotors and MK3 VR6 issues

    1. 04-09-2012 05:53 PM #1
      Hi all,
      I am looking for some insight into an issues i'm having with a new set of zimmermann rear rotors that I have.

      They are cross drilled sport rotors just as an fyi.

      I pulled off OEM spec rotors of the car and went to install the new zimmermann rotors, So i proceeded to fit new OEM spec bearings (inner and outer) and then press the seal on to the rotor. Before getting too far I wanted to make sure everything was right and fit.

      When i put the inner bearing in on the rotor, it had a 1/8 of inch or more around the whole bearing to the rotor hub. This is not right.......So i made sure they are the right rotors...I measured them against the OEM spec ones and everything is exactly the same except the rotor hub on the inner side.

      Do zimmermann rotors use different size bearings and if so what would be the specs on them and where would I find them?

      Please vortex help me out, would be much appreciated.

    2. Member greyhare's Avatar
      Join Date
      Dec 23rd, 2003
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      Corvallis, OR
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      '96 Jetta, '78 Rabbit, '79 GMC 3/4T 4x4, 2013 BMW F700GS
      04-09-2012 07:03 PM #2
      Did you use the correct bearing? The outer bearing is smaller.

      Other possibilities:
      Wrong rotor
      Defective rotor
      Wrong bearing

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