What coolant do you use?

[bambam31]

I'm located in the deep south and I'm about to flush my radiator for the first time. Any suggestions or a particular brand? Doe anyone use pre-mix?

 

[dirtydeed]

Should be in your manual, but I think they all use the green variety (ethylene glycol). And yes, premixed should be fine.

 

[rjcorazza]

The standard green is fine, but there are other coolant types with longer service intervals. My personal choice is Zerex G05 HOAT (hybrid organic acid technology), which has a 5 year interval as opposed to standard green’s 2 year.
Many here use an OAT coolant, and hopefully they will chime in on the type and brand. A coolant I would strongly not recommend is DexCool or any Dex clone. Cooling systems must be specifically designed for this type of coolant.


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