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jrelliott · 05-22-2014, 07:37 PM

I think you may have the same problem I had where the taper on the lealkess water pump stainless steel shaft was not correct so had a four blade fan hit the new radiator which was installed when the A was rebuilt in 2006. Luckily did not do any damage to radiator except a few fins ruffled. Replaced the fan blade with a two blade aluminum and this one hit the crankcase pulley. Replaced the water pump with one form Arizona Model A's and the two blade fit perfectly on the shaft and there was no wobble. I took out the radiator and having it repaired as was leaking around the top inlet connection. Removing the radiator makes the job easier. You don't want to damage the fins as radiators are not cheap. I replaced all the water pump studs with stainless steel ones when the engine was rebuilt. No rust and the stainless steel nuts come off easy. Was surprised no rust visible in the head. The new pump has a collar at the front of the pump so there is no grinding of the shaft to get the end play set correctly.

05-22-2014, 07:37 PM	#11
jrelliott Senior Member Join Date: May 2010 Location: Pine, AZ Posts: 823	Re: water pump removal I think you may have the same problem I had where the taper on the lealkess water pump stainless steel shaft was not correct so had a four blade fan hit the new radiator which was installed when the A was rebuilt in 2006. Luckily did not do any damage to radiator except a few fins ruffled. Replaced the fan blade with a two blade aluminum and this one hit the crankcase pulley. Replaced the water pump with one form Arizona Model A's and the two blade fit perfectly on the shaft and there was no wobble. I took out the radiator and having it repaired as was leaking around the top inlet connection. Removing the radiator makes the job easier. You don't want to damage the fins as radiators are not cheap. I replaced all the water pump studs with stainless steel ones when the engine was rebuilt. No rust and the stainless steel nuts come off easy. Was surprised no rust visible in the head. The new pump has a collar at the front of the pump so there is no grinding of the shaft to get the end play set correctly.