470 water pump replacement (1987)

osborne looney

Petty Officer 2nd Class
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Aug 31, 2011
Messages
117
i have just heard that the 470 water pump is a #%#&*% to replace ? rumor has it that the cam shaft has to come out ? or is just the impellor need to be replaced ? weep hole seems to be dripping -- mind you a rumor is just that a rumor unless you talk to someone who has done this . any help would be great thanks
 

Bt Doctur

Supreme Mariner
Joined
Aug 29, 2004
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19,489
Re: 470 water pump replacement (1987)

i have just heard that the 470 water pump is a #%#&*% to replace ? rumor has it that the cam shaft has to come out ? or is just the impellor need to be replaced ? weep hole seems to be dripping -- mind you a rumor is just that a rumor unless you talk to someone who has done this . any help would be great thanks

Neither, the impeller is cast aluminum and never needs replacing. The weep hole leak does occur from worn seals or a grooved camshaft.This is repairable with new seals and/or a speedi-sleeve repair.
 

stonyloam

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