Coolant Flush

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Humvee21

Humvee21

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When to change coolant? Owner's manual says to change it every 105k miles or 6 yrs and then every 45k miles or 3 yrs after that. Any reason why the initial change interval be longer than the succeeding changes?
 
S

Stepside

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New engine, New coolant, less oxidative properties and the dealer is not responsible for a change in coolant over the warranty period.
3 yrs. and/or 45k is Preventative Maintenance and that's a good thing.
 

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