Thread: Clarifying Coolant Info In Owners Manual - Page 2 - LotusTalk - The Lotus Cars Community

Quote: Originally Posted by CLW Basically you need a silicate free OAT coolant. I think the Peak Global Long Life meets this requirement, maybe Dexcool, but I am not sure of some of their additives. I went with the Toyota Long Life Red Coolant. No silicates (Asian manufacturers belief the silicates are abrasive to water pumps and seals), no borates and specifically available for Toyota engines. OEM seems to be logical in my opinion. i use...

I stumbled across a supply of Havoline XLC (Extended Life Coolant) at my local O'Reilly Auto Store here in Bismarck ND. The label mentions ..."Excellent high temperature aluminium protection. Free of Silicate, Phosphate, Nitrite and Borate." .. "DEX-COOL GM approved" It also says it meets or exceeds "American, Japanese and European car manufacturers coolant requirements." And meets...

Quote: Originally Posted by EdHahn Also, since Havoline XLC (Extended Life Coolant) is what is spec'd, I would imagine that the similar chemistry grouping around the Havoline is also compatible. Finally, the Prestone stuff that claims DexCool compatibility appears to be green. I agree with you, though, if it turns out he wants to go with an entirely different chemistry - bad news. Unfortunately, it appears that Havoline XLC is not...

Basically you need a silicate free OAT coolant. I think the Peak Global Long Life meets this requirement, maybe Dexcool, but I am not sure of some of their additives. I went with the Toyota Long Life Red Coolant. No silicates (Asian manufacturers belief the silicates are abrasive to water pumps and seals), no borates and specifically available for Toyota engines. OEM seems to be logical in my opinion.