Water pump drain

  • Hi all I'm curious to know if anyone else has had a water pump drainage bolt that can't be tightened? It just grips then spins then grips then spins.. It's fairly annoying as I can't get the bike to hold its coolant. Any advice is greatly appreciated.

  • Sounds like the thread has be corssthread.

    How very annoying.

    It might be able to repair the existing thread, or drill, tap and heli coil, if there is room...

  • Try cutting a slot along the thread of the bolt an see if it will clean the thread out
    If not run A tap through the thread
    Last resort screw in some threaded bar coated in red loctite leave it over night put a nut on the end of the stud an use a compression washer

  • Had similar, lucky enough to redrill and tap thread. Snapped bolt as I was removing the water pump cover, fixing a stud in place sounds a good idea?

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