new coolant
Moderator: F9K9
new coolant
If I quit running dex like everyone suggests, are there any preps that I need to do to my original radiator besides draining and a good flushing. How can I be sure that I have flushed all of the dex out of my cooling system, heater core, ect.? What brand do you'll suggest? My radiator is leaking on the driver side tank and when I have I fixed i'm gonna change over. The dex seems to turn to sluge eventually in every chevy i've had so far. MY crew is an '02 if it matters!
[size=75]modified air box, aluminum skid shields, custom sirius radio, 15%tint, powdercoated diamond bed rails/toolbox, mild t-bar crank, Reese class III receiver hitch, 1 3/8 core high capacity radiator[/size]
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killian96ss
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Make sure you flush the system thoroughly with one of those flush kits like Prestone makes. Once the water coming out look nice and clear your good to go. I am using Prestone green coolant and distilled water (50/50 mix) with 1 bottle of Redline Watter Wetter for improved heat transfer and corrosion protection. 
Steve
Steve
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F9K9
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Steve has it covered but, you will also want to make sure you heater is on to get at the heater core's coolant.
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killian96ss
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Do we have a coolant control valve or just a free flow system through the heater core? I really don't know.f9k9 wrote:you will also want to make sure you heater is on to get at the heater core's coolant.
Maybe HJ has the answer? 
If we have a free flow system then there would be no need to have the heater on while flushing. 
Steve
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F9K9
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You're probably right I'm showing age again 
I'm showing age again [size=75][b]"For those who have fought for it, [i][color=red]FR[/color][color=white]EE[/color][color=blue]DOM[/color][/i] has a taste that the protected will never know."
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re:
I just turned 23000 mi., but when I bought the truck I found that I had a leak and finally figured out where it was coming from.
[size=75]modified air box, aluminum skid shields, custom sirius radio, 15%tint, powdercoated diamond bed rails/toolbox, mild t-bar crank, Reese class III receiver hitch, 1 3/8 core high capacity radiator[/size]
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HenryJ
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No valve the heater core is circulating hot water all the time. That is why I added a valve.killian96ss wrote:Do we have a coolant control valve or just a free flow system through the heater core?
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