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-   -   2002 Predator Impella Housing (http://www.mastercraft.com/teamtalk/showthread.php?t=24517)

JDAVIS9007 06-25-2008 03:47 PM

2002 Predator Impeller Housing
 
I own a 2002 Pro Star 190 and the impeller housing is not perfectly round to say the least. The right side is flat and the impeller drags. I have had overheating problems ever since I bought the boat but it is used so rarley this is the first time I checked the impeller

Should the housing be a perfect circle?

bmeth11 06-25-2008 04:09 PM

my impellar housing isn't a perfect circle if i remember correctly... or atlease its a little tighter on one side than the other...

thijs 06-25-2008 04:10 PM

No it shouldn't be perfectly round. Pictures would help to make sure I am thinking what you are, but this is how it is designed.

dsoby 06-25-2008 04:49 PM

The flat part is what creates the suction for the pump to work properly. If your boat is overheating, there are many possible causes. Start by checking the intake side of the transmission cooler for obstruction. Replace the impeller (johnson 612 probably), and check your thermostat.

JimN 06-25-2008 04:51 PM

When did you buy the boat and what has been done to try to fix the problem? If the impeller has been changed without changing the gasket, that can cause the raw water pump to suck air, which doesn't work as a coolant very well.

JimN 06-25-2008 04:51 PM

Johnson 812, not 612.

dsoby 06-25-2008 04:52 PM

812, thanks JimN

Sodar 06-25-2008 04:53 PM

You guys are talking about IMPELLERS!! This guy is talking about IMPELLAS!! Get with it, would ya! :rolleyes: :D

bigmac 06-25-2008 04:53 PM

Quote:

Originally Posted by JDAVIS9007 (Post 509619)
I own a 2002 Pro Star 190 and the impella housing is not perfectly round to say the least. The right side is flat and the impella drags. I have had overheating problems ever since I bought the boat but it is used so rarley this is the first time I checked the impella.

Should the housing be a perfect circle?

No, the eccentricity of the housing is what makes it work.

kjohnson 06-26-2008 08:05 AM

Impella
 
Isn't an Impella an animal that roams the African plains? No I guess that is an Impala. So what is an Impella? Is that ebonics for impeller?


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