Water pressure in '96 Merc 115

joblo33

Chief Petty Officer
Joined
Jan 19, 2005
Messages
501
What psi range should a '96 115 have in the cooling system. Its at 5 psi at WOT right now.<br />Eric
 

north40

Petty Officer 1st Class
Joined
Apr 13, 2004
Messages
331
Re: Water pressure in '96 Merc 115

Should be 15 or so at WOT. Either you are mounted too high or pump needs service.
 

joblo33

Chief Petty Officer
Joined
Jan 19, 2005
Messages
501
Re: Water pressure in '96 Merc 115

Thanks, I was just using the boat for the day and was concerned about that. I'll tell my uncle to get a new impellor. I thought about it being too high but there was no change when I left it trimmed down.<br />Eric
 
Top