I don't mean to get off topic on the tranny discussion but I noticed no one mentioned the toyota red coolant unless I missed it somewhere. Isn't that supposed to be good coolant for our cars cause it doesn't contain certain chemicals that are harmful? I was going to do a flush and use that stuff. Anyone have any experience with it?

 

The problem with the unites states is that (ok fine ONE of the problems the US has ) is that its too expensive to convert at this point in the game. imagine all the road signs they would have to change. plus the whole education system (is there one over there at all? hhehe just kidding) would have to be revamped...

 

this was originally a coolant thread, so you're not off topic at all.

Toyota red is no better than Nissan green. they are very similar, key being silicate-free OAT with phosphates. they are not exact, though, and I would not mix them (if for no other reason than you'll get a crappy looking mix of green/red coolant which just looks shoddy). even when flushing there is no reason to switch from Nissan green to Toyota red. in my area I can get Nissan green cheaper to boot. just stick with nissan.

 

Thanks for the info. I guess i'll stick to the nissan stuff.

 

Age of coolant has a substantial effect on galvanic activity. (Galvanic = corrosion).

On the Mazda rotarys, letting the coolant in the engine too long will eat away at the engine block and help cause the coolant seals to fail at the block. Regular coolant changes keep the galvanic activity down and reduce this kind of wear. While it's an extreme example, it's important to do for any engine.

Dave