Join Date: Feb 2009
Location: Clive, IA
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Per PGreenSVT's recomendation in another thread I found:
Drain coolant by removing lower radiator hose. Drain block from plug on drivers side of the block. Remove the thermostat. Replace plug in block and put lower hose back on. Put thermostat housing back on without thermostat. Fill with water. run for 5 minutes then drain as above. Put 2 qts of VC-9 and fill with water. drive it for about 45 minutes. Drain and flush after. Put in 1 gallon of Restore an top with water. Drive it for an hour then drain. Flush 2 times with water. Flush 3 times with distilled water. Replace thermostat or put in a new one. Add 3.5 gallons of ELC concentrate and top off with distilled water. Make sure to run engine for 5 minutes between flushes. Have heater on set to hi while doing this to flush the heater core too.
Questions...I have seen a couple of places that say you don't have to/shouldn't drive it for 45 minutes and an hour if the thermostat is removed. True, not true? I am doing the flush tomorrow. How hard is it to get at the plug on the drivers side? I got the VC-9 and restore but I need to get the coolant in the morning. I think I am going to go with Cat because I can't find any Delo locally. What kind specifically do I need to get from Cat? I need to buy 4 gallons and put in 3.5? Anything else I am missing/need to know?
2004 F350 SRW if that makes any difference. Thanks a lot for the help!!!!
2004 F350 KR SRW, 5901 Viper, High Idle Mod, 3" Icon Leveling Kit, Toyo MT 33's, PHP tuned FICM/ECM, AFE Stage II, ARP Head Studs (new 06/07 heads), Oil Cooler rebuild, FCDP EGR Delete, FCDP Coolant Filter, NUC Oil Bypass, 4" MBRP Turbo Back Exhaust, BW 62mm billet Non-VGT Turbo, SCT, CTS monitor, SSBC 8 Piston Brake Calipers