Compression Ignition Addict
Join Date: Oct 2006
Location: Walpole, MA
Thanked 25 Times in 23 Posts
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I have a 99 7.3 and am wanting to change out the coolant. I called ford and they told me to use any 50/50 mix. I just wanted to get a second opinion to see if this is right or if I should be using something else. Also should I be adding a additive to the coolant and what are the intervals the coolant should be changed? Sorry for all the questions.
The link above will answer any question you could possibly think of regarding coolant. The dealership said that cause to many shops draining the radiator and refilling it with 50/50 is a "flush." Which of course is not the way your supposed to do it IMHO.
2002 F-350 4X4 ECLB 7.3 4R100 6637 filter w/ RiffRaff cover, 08 diff cover, 203* T-stat, HPX, Stancor Relay, 6.0 trans cooler, Zone leveling kit, 8'6" Western Ultramount
Sold: 04.5 Dodge Ram 2500 5.9 CTD, Reg Cab, 48re