Coolant Flush Question
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Coolant Flush Question
I know this question has come up before, but I am not clear on the correct answer. <?xml:namespace prefix = o ns = "urn:schemas-microsoft-com
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My EOT – ECT runs between 9 – 12 degrees @ 60 mph on flat ground with some small rises. This test run was for 35 miles after a freeway run @ 75 mph for 15 miles with hills and some flat ground. When I run the truck hard they will run between 12 – 20 @ 75 to 85 mph on the freeway with heavy hills and some flat ground. My ECT does not break 186 degrees no matter how fast, hard, and/or far I run the truck. The ECT normally stays around 182 degrees no matter what the outside temp is. I did two test runs, one at 31 degrees and the second one at 60 degrees. At the end of the second test run the ECT was 186 degrees and the EOT was 200 degrees. This was at the end of a 49 mile run with the last 15 miles hard freeway driving with hills at 75+ mph. <o></o>
The truck is a 2004 with 88k miles and I don’t know if it has had any flushing and/or oil cooler work done. I am looking at doing a flush along with the back flush of the oil cooler and heater. Also, I am looking at changing to a HD ELC. I have a coolant filer system that I will put on after the flushing. I have researched the net to see how to do the flush. But it looks like either the Restore and/or Restore + is what killing the oil coolers. If I do several fill/drain/back flush do I need to use the Restore/Restore +? I know the Restore will take out some junk/goo and I am thinking about using it. But most of my reading shows that the Restore + is breaking up the junk that is plugging the oil cooler. <o></o>
If I was going to do a cooler/egr change I would do a Restore and Restore + along with many back flushing to try and get all I can out before the new cooler/egr goes in. But this is not the case; this should be just a normal coolant flush. <o></o>
fficeffice" /><o></o>My EOT – ECT runs between 9 – 12 degrees @ 60 mph on flat ground with some small rises. This test run was for 35 miles after a freeway run @ 75 mph for 15 miles with hills and some flat ground. When I run the truck hard they will run between 12 – 20 @ 75 to 85 mph on the freeway with heavy hills and some flat ground. My ECT does not break 186 degrees no matter how fast, hard, and/or far I run the truck. The ECT normally stays around 182 degrees no matter what the outside temp is. I did two test runs, one at 31 degrees and the second one at 60 degrees. At the end of the second test run the ECT was 186 degrees and the EOT was 200 degrees. This was at the end of a 49 mile run with the last 15 miles hard freeway driving with hills at 75+ mph. <o
></o>The truck is a 2004 with 88k miles and I don’t know if it has had any flushing and/or oil cooler work done. I am looking at doing a flush along with the back flush of the oil cooler and heater. Also, I am looking at changing to a HD ELC. I have a coolant filer system that I will put on after the flushing. I have researched the net to see how to do the flush. But it looks like either the Restore and/or Restore + is what killing the oil coolers. If I do several fill/drain/back flush do I need to use the Restore/Restore +? I know the Restore will take out some junk/goo and I am thinking about using it. But most of my reading shows that the Restore + is breaking up the junk that is plugging the oil cooler. <o
></o>If I was going to do a cooler/egr change I would do a Restore and Restore + along with many back flushing to try and get all I can out before the new cooler/egr goes in. But this is not the case; this should be just a normal coolant flush. <o
></o>
Elder User
Joined: Oct 2006
Posts: 630
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From: Land of Lincoln
Its like taking a shower. Do you want to use just water, soap with your hand, or soap with a wash cloth. I used Restore & Restore + & brought a 30 degree delta down to 9. This was 6 months ago & its still at 8 or 9. I back flushed the Jesus out of it. Took me 2 days because it is alot of work. I used hot water straight from the hot water tank with a filter inline for back flushing in combination with cold water too. Also change your thermostat, ECT is kind of low. Distilled water at the end & the Fumoto block valves help alot. Take the time to drop the starter to install the passenger side one with hoses on them makes it so much sweeter! Good luck.
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