BMW K bikes (Bricks)

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1Back to top Go down    Water/oil pump seals on Wed May 13, 2015 12:18 pm

Howard64180

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Today I fitted new water/oil pump seals. It was going really well until I pushed too hard on the impeller shaft to get it through the oil seal. The shaft caught in the centre part of the water seal, forcing it to sit at a slight angle. I pulled the shaft back and drew it through in the normal way. Are these water seals as delicate as their reputation? Have I possibly damaged it?

Last time I did this job I had to do it twice, when I pulled the shaft through too far.

    

2Back to top Go down    Re: Water/oil pump seals on Thu May 14, 2015 4:55 am

Howard64180

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OK, I'm probably going to do the job again. No point in putting it back together with suspect parts.

    

3Back to top Go down    Re: Water/oil pump seals on Thu May 14, 2015 5:19 am

jandalboy

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Good luck.When I did mine I broke the water seal fitting it with a piece of plastic pipe.Used a socket on second attempt and no problem.Hope you have read the how to article in the forum.


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1990 k100rs low seat.
    

4Back to top Go down    Re: Water/oil pump seals on Thu May 14, 2015 5:27 am

Howard64180

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Thanks, yes I've read everything going, and I've done this job before on a K1100. I got the seal nicely seated with a 27mm socket, then had a numpty moment fitting the shaft. I was probably feeling too smug about getting the seals in correctly and then stopped concentrating.

I won't tell you why I was having problems with pulling the shaft all the way through. OK, I will. I had the spacer the wrong way round Embarassed

    

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