Ozziebaja302

Hey Guys I have a 99 merc 7.4 mpi 455 xI and got a warm water temp beeping so I wanted to know if this swap pump was most Likely the issue? Was ok when idling but then when running 30-40 started to get warm?

http://i1047.photobucket.com/albums/...onda/image.jpg
<a href="http://s1047.photobucket.com/user/ozziehonda/media/image.jpg.html" target="_blank"><img src="http://i1047.photobucket.com/albums/b475/ozziehonda/image.jpg" border="0" alt=" photo image.jpg"/></a>

pi75

That actually seems not that bad. pull the impeller out and see if the blades straighten out if not replace it

Ozziebaja302

O I thought since it was collapsed on one side it was bad?

michaelb63

that actually looks pretty good.make sure theirs not any of the old impeller blocking your coolers

Ozziebaja302

I have had the boat out 5 times... No issues... This past weekend at end of day it was fine when in the no wake but then when going 35-50 mph I have one getting warm.... So I put on trailer and just pump the sea pump??? This is what I pulled out???

Ozziebaja302

So do you all think this sea pump is not my issue?

phragle

iTrader: (3)

seapump looks good.. not the issue.

Ozziebaja302

Well my exhaust was only peeing out one side and then when accelerating and running any speed it got hot, but then at idle it was all good??

Ozziebaja302

I have twins. The motor running good had water coming out each exhaust port, the one getting warm was only had water coming out of one exhaust

Ozziebaja302

Being honest I am used to outboard so when I saw it having some nice and open and doe curved real bad