water pump caution

realtree280

Petty Officer 3rd Class
Joined
Oct 5, 2005
Messages
76
i just installed a sierra water pump and it started very iregular pumping so i tore it apart again only to find that the base plate under water pump the paint peeled off and was i guess plugging things up, so i put old johnson pump on and all was fine . also the new impeller from sierra was much thinner and origanal impeller this was for a 1980 johnson 15 horse j15rcsd
 

realtree280

Petty Officer 3rd Class
Joined
Oct 5, 2005
Messages
76
Re: water pump caution

now i do notice pumping is not as strong as before replacment i am wondering if the peeled paint is plugging the thermostat??
 

Vic.S

Rear Admiral
Joined
May 4, 2004
Messages
4,719
Re: water pump caution

Or just blocking the "pee hole"?
 
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