Reproduction Parts for 1916-1964 Chevrolet Passenger Cars & 1918-1987 Chevrolet & GMC Trucks


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'37 water pump
#328492 12/17/14 07:28 PM
Joined: Oct 2014
Posts: 96
SE Wisconsin
honk1e Offline OP
Shade Tree Mechanic
OP Offline
honk1e
Shade Tree Mechanic
Joined: Oct 2014
Posts: 96
SE Wisconsin
On my stock '37 216 engine, the pulley on the water pump wobbles about 1/4 inch. The shaft appears to be straight. Does anyone know what could cause this and if it can be corrected? How is the pulley attached to the shaft? Is the pulley available by itself. How do you remove the pulley? I know you guys will have the answers to my questions. Also, would appreciate any suggestions.
thank you
honk1e #50704
Filling Station - Chevrolet & GMC Reproduction Parts


Filling Station
Re: '37 water pump
honk1e #328502 12/17/14 08:01 PM
Joined: Jan 2002
Posts: 30,701
Likes: 141
West Allis,Wi.
Chev Nut Offline
ChatMaster - 25,000
Offline
Chev Nut
ChatMaster - 25,000
Joined: Jan 2002
Posts: 30,701
Likes: 141
West Allis,Wi.
There was a special puller used to press off the pulley without damaging/bending it.
I suspect the pulley is bent. If it were mine I would try bending it back into place by prying behind the pulley at the low spot. Either do on the engine with the fan attached or if you do it with the fan removed put the bolts back in or the pulley could come apart as it is spot welded together and the welds can break
If it is not a genuine Chevrolet water pump there may be other problems.

Gene Schneider

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