2000 met cruiser 5.7 I/O 250hp erratic temperature. Hot, cold, hot, cold. Why?
S Sla123 Recruit Joined Jun 16, 2013 Messages 1 Jun 16, 2013 #1 2000 met cruiser 5.7 I/O 250hp erratic temperature. Hot, cold, hot, cold. Why?
Don S Honorary Moderator Emeritus Joined Aug 31, 2004 Messages 62,321 Jun 16, 2013 #2 Re: Mercruiser Re: Mercruiser Thermostat
M muc "Retired" Association of Marine Technicians... Joined Jul 7, 2004 Messages 2,064 Jun 16, 2013 #3 Re: Mercruiser Re: Mercruiser Welcome to the forum. This can also be caused by a failed engine circulation pump. But if that’s the case you usually will also have overheating at high speeds. MerCruiser Service Bulletin 2013-05R1
Re: Mercruiser Re: Mercruiser Welcome to the forum. This can also be caused by a failed engine circulation pump. But if that’s the case you usually will also have overheating at high speeds. MerCruiser Service Bulletin 2013-05R1
Bondo Moderator Staff member Joined Apr 17, 2002 Messages 70,525 Jun 17, 2013 #4 Re: Erratic temperature Sla123 said: 2000 met cruiser 5.7 I/O 250hp erratic temperature. Hot, cold, hot, cold. Why? Click to expand... Ayuh,... Welcome Aboard,.... Change the Impeller,... That's always the 1st thing to do in Any overheat situation,...
Re: Erratic temperature Sla123 said: 2000 met cruiser 5.7 I/O 250hp erratic temperature. Hot, cold, hot, cold. Why? Click to expand... Ayuh,... Welcome Aboard,.... Change the Impeller,... That's always the 1st thing to do in Any overheat situation,...
tpenfield Moderator Staff member Joined Jul 18, 2011 Messages 17,710 Jun 17, 2013 #5 Re: Erratic temperature If it is the temperature gauge (rather than engine symptoms) giving you the hot & cold, you could also check the connections at the gauge and sender. i just replaced a flaky temp gauge on my boat . . .
Re: Erratic temperature If it is the temperature gauge (rather than engine symptoms) giving you the hot & cold, you could also check the connections at the gauge and sender. i just replaced a flaky temp gauge on my boat . . .
