Coolant Flush (New Guy)
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New User
Joined: Oct 2006
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Coolant Flush (New Guy)
Hello to everyone. I am getting ready to replace the plugs and flush the coolant system on my 02 F-150, 5.4 FX4. I have studied up on the thread about the plugs (Thanks a bunch, that'll be a great help). I'm just not real sure about the radiator flush. My truck has about 97000 miles on it and to my knowledge the coolant has never been changed. The flush I got said to fill the radiator with water and the bottle of flush. Do I pull the upper radiator hose off and fill the radiator that way, or do I fill the reservoir and let it work it's way through that way? How do ya'll flush these things? I've never worked on a newer model vehicle with no "radiator" cap. Any pointers would be greatly appreciated.
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New User
Joined: Oct 2006
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I was planning to flush it out this week. If anyone has ever flushed their radiators out, I would appreciate knowing how it works best, through the reservoir or directly through the upper radiator hose? Thanks for the help.
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Joined: Oct 2005
Posts: 2,209
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From: Louisville, Kentucky
Welcome to FTE! 
I am thinking about doing mine this weekend too. My truck has just under 60k miles on it and I was wondering the same kinds of things. Searching forums and articles brings the following information.
https://www.ford-trucks.com/forums/1...SHING++COOLANT
https://www.ford-trucks.com/forums/1...SHING++COOLANT
and
https://www.ford-trucks.com/article/...ng_System.html
I am thinking about doing mine this weekend too. My truck has just under 60k miles on it and I was wondering the same kinds of things. Searching forums and articles brings the following information.
https://www.ford-trucks.com/forums/1...SHING++COOLANT
https://www.ford-trucks.com/forums/1...SHING++COOLANT
and
https://www.ford-trucks.com/article/...ng_System.html
Last edited by KingRanchMan02; Oct 4, 2006 at 10:56 AM.
