[Philip54]

I am replacing the water pump of my GSX-R.
I drained the engine oil and the coolant, disconnected the hoses, undid the two 8 mm bolts. But the water pump does not come out. I can feel the pump moving a little bit, when I pull on it, but it doesn’t come out. Part of problem is that is difficult to get a good grab on the pump. Also, I don’t want to damage the pump, because I plan on overhauling it and keep it as a spare.
Any suggestions?
Thanks

 

[Just_Nick]

Double check everything is truly out via the number of pulled bolts and comparing it to the service manual, then use a rubber mallet and keep tapping around it until it comes out.

 

[BillV]

I'm thinking that the O-ring on the pump's nose has somehow stuck/bonded to the crankcase and you're just going to have to keep fooling with it.

 

[Philip54]

Just_Nick, BillV,

Thanks for your suggestions/recommendations. The pump has just come out after tapping around it with the rubber mallet for quite some time. I was expecting to see a damaged o-ring, but the o-ring apparently was fine. Certainly the o-ring had been there for a long time, the bike is a 2006 model. I am not really sure about what caused the problem. There was a build-up of dirt behind the pump, but I wouldn't think that the dirt was holding the pump. In any case, the important thing is that the pump is out....

 

[craigfer63]

What was the reason you decided to change the water pump.
Leaking ? From where ?
Overheating ?

 

[what?]

What was the reason you decided to change the water pump.
Leaking ? From where ?
Overheating ?

^ +1

 

[Philip54]

I am replacing the water pump because it was leaking oil for sure and it was possibly leaking coolant too. I did not investigate the coolant leak in depth, because to me the oil leak and the 15 years of service were already sufficient reasons for replacing the pump.