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  1. M

    Bearing replacement Bosch gen 4

    There isn't one! The video I saw was for Gen3 - thought it'd be close - its wasn't! Thats what made the job so scary - just winged it! I ended up having to take the motor core out to get to the bolts holding one of the shaft sensors in place - this can't be right can it? Its been running fine...
  2. M

    Bearing replacement Bosch gen 4

    yes
  3. M

    Unanswered Bosch display and motor problem.

    Hi, I have just started to get the same problem. Power the controller on, motor wuuuuurs for a second then the whole thing powers off. The duration of the wurrrr gets shorter and shorter each time I repeat it (say 10 secs between) . If I let it rest/remove battery then try again, the cycle...
  4. M

    Bearing replacement Bosch gen 4

    success! whey hey. (only up and down the drive, but looks good)
  5. M

    Bearing replacement Bosch gen 4

    Probably wise advice. I've seen the video and it almost dissuaded me. I purchased the two crank bearings from them last week. I'm an engineer and have a good drill press (almost hydraulic) - all the gear and no idea! I emailed them asked if they were busy - they were on holiday for a couple of...
  6. M

    Bearing replacement Bosch gen 4

    Hi Jona, Did you find any guides on how to do this? I've got the cover off right now and not sure how to proceed (or even if I should!)
  7. M

    Bosch CX gen 4 chainring nut

    Spent time looking for the tool needed to remove the chainring nut as shown in the first picture of this thread. The 'official' bosch part is priced between £30-£45. There is an alternative at £15, that I've got and used; IceToolz BB Tool, 8-notch, Shimano / ISIS Drive, #11D3 I think any ISIS 8...
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