i have seadoo boat 2005 challenger wouldn,t pick up speed.because it suck some rock in the impeller. i replace the impeller and wearing is still doing the same thing.it took it off again see that all the vain in the pump support assembly are broken. i try to replace the pump support its hell to take it off, that locktight instant gasket seal they put on it it stuck to boat. i spend three using heat gun all all the other thing but is not coming out.any help how to take that pump support out would be really appreciate.