I have a 1971 C&C 27 with a late model A4. Because I have had trouble starting recently, I shut off the raw water intake when I cranked the engine. I usually open the seacock right away but got distracted by my passengers (a hat dropped over board, children nearly falling overboard, etc.). Basically, the motor ran for several minutes without the intake open and I think the impeller is destroyed. I have owned the boat for less than a year, and am not sure where everything is, so I located and opened up the water pump (antifreeze cooled) and the impeller was fine. There is a second water pump, connected to a heat exchanger that is connected to the through hull which I could not check without some more tools.
A couple of questions:
1. the water pump which looks like the original (located just forward of the shift linkage) had a thick brass cover but no gasket. After checking the impeller, I screwed ithe cover back on and didn't see any leaks. Does this sound OK?
2. the second (raw water) water pump (forward of the other) had a round cover with 6 screws. I think it says Jabsco on the cover but I couldn't tell for sure without the ability to bend by neck 90 degrees. Would this be the pump with the damaged impeller?
Thanks in advance for any insights.
Greg
A couple of questions:
1. the water pump which looks like the original (located just forward of the shift linkage) had a thick brass cover but no gasket. After checking the impeller, I screwed ithe cover back on and didn't see any leaks. Does this sound OK?
2. the second (raw water) water pump (forward of the other) had a round cover with 6 screws. I think it says Jabsco on the cover but I couldn't tell for sure without the ability to bend by neck 90 degrees. Would this be the pump with the damaged impeller?
Thanks in advance for any insights.
Greg
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