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I only have 28,000 miles on the D-Max but it is getting close to 4 years old and I am thinking about doing a coolant flush. From what I am reading I need to use a Heavy Duty Extended Life Coolant (ELC). Any suggestions on a brand. I see Prestone makes an ELC.
 

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thats what i had in my f250 did great, most liely ill use them same thing in this one
 
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