Hybrid Car – More Fun with Less Gas

Coolant Changes

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Posted by Steve Giannoni on October 31, 2009, 9:47 pm

Why are the prescribed changes in coolants for the ICE and inverter
systems necessary ?

Posted by RadioHist on November 5, 2009, 12:03 pm

Corrosion prevention...  The additives in the coolant get converted
over time.
Don't remember how often they recommend, but every three to five years
is probably money well spent.


Posted by Steve Giannoni on November 5, 2009, 3:20 pm

For my 2001, the recommended is every 2 years. This seemed excessive
and I've kept to about every 3 years. Very hard to get the inverter
reservoir level right ...


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