What is this fluid on 2003 toyota prius?

90

Asked by Blondeneff18 Mar 26, 2015 at 01:34 PM about the 2003 Toyota Prius

Question type: Maintenance & Repair

I have a 2003 toyota prius, there is a
fluid container located next to hybrid
battery area under hood, trying to
figure out what it is for. It is below the
LOW level. The cap says DENSO on
it

12 Answers

Does youe under hood even look like this, and what does it say on the cap? Click image

2 people found this helpful.

I thought I could find something on a Prius Forum. No luck..sorry

3 people found this helpful.
90

Ok, it's just seems weird for it to be an overflow tank since it had a FULL line and LOW line marked on the side... The engine coolant container is over on the left hand side under hood.

2 people found this helpful.

That's why I took if off, had second thoughts. But does it say anything else on cap. Like ":use only XXX fluid "?

2 people found this helpful.
120

Its called INVERTER COOLANT FLUID!! Must be changed every 120K miles. It has to do with your car's A/C and heating and is related to the water pump.

12 people found this helpful.

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