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Old 04-25-2012, 09:00 PM
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Why remove the crank pulley when replacing water pump?

in one of the threads I saw the DIY, why does the crank pulley need to be removed? Is it only the 8 bolts holding it or do I need to remove the big bolt as well? I don't have air tools.
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Old 04-25-2012, 09:51 PM
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Strangely enough, w/o removing the pulley the pump is impossible to remove because of a pipe running in front of it. BTDT :-)
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Old 04-25-2012, 10:33 PM
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Quote:
Originally Posted by dcnaser@uab.edu View Post
in one of the threads I saw the DIY, why does the crank pulley need to be removed? Is it only the 8 bolts holding it or do I need to remove the big bolt as well? I don't have air tools.


If you're working on the M62, there's a WP bolt behind the Vibration Damper so yes, it does need to come off. No, you don't remove the big bolt...just remove the smaller 8 bolts and slide the damper off and don't worry it has a key so you can't put it back on wrong. Also, make sure you handle the Vibration Damper with care; it's a $400-$500 part so don't drop it.

You're probably following this DIY but I wanted to include it anyway. BMW TIS - 11 51 000 Removing and installing/replacing water pump (M62 / S62)
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Old 04-27-2012, 08:57 AM
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Can I replace the crank shaft seal when removing the water pump?

am changing the water pump soon, once I remove the crank pulley will the crank seal be accessible? or is there more crap to remove? I thought I might change it as well.

2000 x5 4.4
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