steeler2169 Posted April 2, 2011 Report Share Posted April 2, 2011 So I'm going to be ordering a new water pump from Fast and when I took off the water pump cover It had a wear groove in it.I was wondering what could cause this? Quote Link to comment Share on other sites More sharing options...
locogato11283 Posted April 3, 2011 Report Share Posted April 3, 2011 It seems to be a pretty common problem. The tolerances must just be really close. I can remember pulling the cover before and seeing where the impeller was rubbing the cover. Is that what you're talking about? Quote Link to comment Share on other sites More sharing options...
Coupelx Posted April 3, 2011 Report Share Posted April 3, 2011 the impeller just kinda 'floats' in its bearing so the rubbing is normal. Quote Link to comment Share on other sites More sharing options...
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