Sep 14, 2015, 04:23 PM
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Flushing coolant system?
CF Veteran
Joined: Jun 2011
Posts: 1,958
Likes: 0
From: Norfolk, Va
Year: 1996
Model: Cherokee
Engine: 4.0 ho i6
Originally Posted by Delta
100 degree weather on just water I'm Miami gridlock with out electric fan and my old Cooling system wouldn't touch 210. That's with a proper tstat and a laser temp gun. If you don't have a new radiator it's best to just remove the lower radiator hose the petcocks like to get brittle and break
Senior Member
Joined: Apr 2012
Posts: 578
Likes: 4
From: Ocean, New Jersey
Year: 2000
Model: Cherokee
Engine: 4.0
Well, you may be lucky. Running plain water will not only rust your radiator but will also destroy your water pump bearings... And if you lived in Northeast like some of us, it can also destroy a bunch of other stuff along the way...
CF Veteran
Joined: Aug 2011
Posts: 10,489
Likes: 24
From: Nor-Cal Coast
Year: 90,84
Model: Cherokee
Engine: 4.0,2.5
Agreed. A tiny drain in an awkward place. If you DO get it loose, you risk some piece of crud jamming in there and you can't close it. Also on the right day everything can go wrong and you have a real mess. (as said^)
CF Veteran
Joined: Nov 2009
Posts: 8,172
Likes: 17
From: The Republic of TEXAS
Year: 1998
Model: Cherokee
Engine: 4.0L HO
I hope the OP is not reading this thread and thinking it's safe to run straight water all the time.....flushing the system with straight water is one thing, running straight water is a 
.
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CF Veteran
Joined: Aug 2011
Posts: 10,489
Likes: 24
From: Nor-Cal Coast
Year: 90,84
Model: Cherokee
Engine: 4.0,2.5
X2^ Antifreeze is "anti Boil" also. Also I believe there are issues with plain water and aluminum in that "environment". (heat and pressure), not sure about that though.
I did once have an aluminum pump housing rot through on a Bonneville.
I did once have an aluminum pump housing rot through on a Bonneville.
CF Veteran
Joined: Jun 2011
Posts: 1,958
Likes: 0
From: Norfolk, Va
Year: 1996
Model: Cherokee
Engine: 4.0 ho i6
Originally Posted by Kalali
Well, you may be lucky. Running plain water will not only rust your radiator but will also destroy your water pump bearings... And if you lived in Northeast like some of us, it can also destroy a bunch of other stuff along the way...
CF Veteran
Joined: Jun 2011
Posts: 1,958
Likes: 0
From: Norfolk, Va
Year: 1996
Model: Cherokee
Engine: 4.0 ho i6
Originally Posted by djb383
I hope the OP is not reading this thread and thinking it's safe to run straight water all the time.....flushing the system with straight water is one thing, running straight water is a .
.
CF Veteran
Joined: Mar 2010
Posts: 47,923
Likes: 38
From: Broward County Fl.
Year: 1989 xj sport 2dr
Model: Cherokee
Engine: 12 hole bosch Injectors
CF Veteran
Joined: Jun 2011
Posts: 1,958
Likes: 0
From: Norfolk, Va
Year: 1996
Model: Cherokee
Engine: 4.0 ho i6
Originally Posted by Gee oh Dee
Don't buy that 50/50 mix garbage.
Stop at a grocery store and get distilled water for $.75 per gallon.
Much cheaper!
Stop at a grocery store and get distilled water for $.75 per gallon.
Much cheaper!
CF Veteran
Joined: Jun 2011
Posts: 1,958
Likes: 0
From: Norfolk, Va
Year: 1996
Model: Cherokee
Engine: 4.0 ho i6
Originally Posted by 944.0
Why use distilled water?