water pump leak from cover even after new gasket fitted - ZX6R Forum
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post #1 of 4 Old 06-09-2011, 08:34 AM Thread Starter
Join Date: Jun 2011
Location: Inverurie
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water pump leak from cover even after new gasket fitted

hi there i got a 96 f model with a drip coming from waterpump cover. i replaced the cover gasket today only to find its still leaking. i put a smear of grease on the cover itself just to help the gasket stay in its groove . all surfaces were nice and clean with no pitting or scratching. now heres the problem. i just recently did an oil and filter service, new plugs etc etc and noticed a waterpump cover leak. so i ordered 2 waterpump gaskets and went to fit them today not knowing that the oil needs to be drained in order to remove the water pump to replace the inner gasket.i only found out today that the waterpump and oil pump are connected together and only thing seperating oil from water is a o-ring seal.is this correct ? and if so i cant understand why i have a leak coming from the cover but dont have oil and water mixing i.e no mayonnaise.is there perhaps a 3rd gasket seal on the pump itself now as i know my clutch is gonna need replacing soon, occasional slip between 10-14000rpm another oil change required.i would like to fix the 2 problems together i read on a zzr forum that the water pump should be replaced if water leaks from weaphole mines is leaking from the part on the cover that you use a screwdriver to prise the cover off and noticed there is a hole here. is this classed as the weep hole can anyone shed some light on this and hopefully save me from draining oil multiple times. i just want to get it all done at the same time.and is there any chance that the inner gasket will stop the leak.or is it like the zzr forum says new pump? really appreciate some help here.
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post #2 of 4 Old 06-13-2011, 01:27 AM Thread Starter
Join Date: Jun 2011
Location: Inverurie
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took out water/oil pump yesterday and removed shaft mechanical seal. looked fine, but theres a tiny o-ring at the impellar end of the shaft covered in shit. allso shaft itsellf was built up with crap, allso gave that a lite sand and clean, stuck it all back expecting it to leak. but its now allot better but im gonna wait and see how long it lasts. i think the shaft could cause a future leak as it was pitted so gonna wait and see.
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post #3 of 4 Old 10-12-2014, 10:04 AM
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Location: Trinidad
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does the coolant and/or oil run out when u remove the pump?
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post #4 of 4 Old 10-12-2014, 10:08 AM
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Can you get a video of where the cover is leaking from.

Not sure if its on that bike or not but some had weap holes on the covers and if its coming from the weap hole the water pump wil need to be repllaced
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