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Power Strokes
6.0 Tech
coolant flush before oil cooler replacement?
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[QUOTE="John, post: 25270, member: 327"] Your a qt short of VC-9, you need 2. Also depending on which oil cooler kit you got, make sure it has turbo o-rings and gasket. Also might want to get fuel bowl o-rings. Make sure the intake manifold gaskets go on the same way they come off. Any other way can leak. Like stated earlier, no need to run just distilled in it the entire time. I did this over procedure over a week, using my drives to work as the run time. How I did mine: 1: Drain coolant, pull drivers side block plug, allowing coolant/water to drain. After draining complete install re-install plug 2. Fill system with water. 3: Go for an hour drive, or if you got AE one hour idled 1400RPM. Afterwards shut off truck 4. Repeat step 1, 2, and 3. Then repeat step 1 5. Put Restore in the coolant, it only takes I believe 3/4 a gallon, top off with water. 6. Repeat step 3 7. Repeat 1, then 2, then 3, twice. Then step 1 8. Put 2qts VC-9 cleaner, top off with water. 9. Repeat step 3 10. Keep repeat step 1, then 2, then 3 until the water runs clear. After the first two heat cycles, you can try to speed the process up by using a garden hose and just running water through it to get a bunch of it out. After it looks semi clear fill with distilled water, take a drive(or AE high idle) again. 11. Now the correct way is to pull the starter to access the passenger side plug, some people do some people don't. If the extra hour of work is worth it to you to be sure, do it. Either way pull the drivers side plug. If the water is clear, button everything up. 12. Replace oil cooler, and whatever else your doing. 13. Fill system with distilled water, drive it for a day or two, drain the system. Do this twice. 14. Refill with Ford Gold coolant or your choice of coolant. Make sure its concentrate, because you have water in the system already, should take a bit under 4 gallons to fill it back up. [/QUOTE]
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coolant flush before oil cooler replacement?
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