Mikw 20 Posted January 10 Share Posted January 10 Proud owner of a new Yaris here. Just a quick question, i was checking fluid levels today, but couldn't find the engine coolant, where i thought it would be it said "Inverter coolant" on the plastic tank. Couldn't find the engine coolant reservoir at all. I presume it has one? Quote Link to post Share on other sites
john p williams 78 Posted January 10 Share Posted January 10 28 minutes ago, Mikw said: Proud owner of a new Yaris here. Just a quick question, i was checking fluid levels today, but couldn't find the engine coolant, where i thought it would be it said "Inverter coolant" on the plastic tank. Couldn't find the engine coolant reservoir at all. I presume it has one? What does your Handbook say Michael ? 1 Quote Link to post Share on other sites
Mikw 20 Posted January 10 Author Share Posted January 10 5 minutes ago, john p williams said: What does your Handbook say Michael ? I don't know, i've temporarily mislaid it like an idiot!lol. Quote Link to post Share on other sites
FROSTYBALLS 3,424 Posted January 10 Share Posted January 10 You can download a digital version of the owners manual either using your VIN or by doing a generic search, from My Toyota. Quote Link to post Share on other sites
Mikw 20 Posted January 11 Author Share Posted January 11 1 hour ago, FROSTYBALLS said: You can download a digital version of the owners manual either using your VIN or by doing a generic search, from My Toyota. Thanks. I was under the impression that Toyota Hybrids have both invertor coolant and engine coolant reservoirs, but had a good poke around the engine compartment today and really couldn't find the engine coolant one. Quote Link to post Share on other sites
TonyHSD 772 Posted January 11 Share Posted January 11 You have a radiator cap which means you fill up from there and needs to be full, only check before drive away on cold car. And if this is the case and there is no dedicated engine coolant reservoir it’s very likely to have shared same reservoir with the inverter coolant. To confirm that, try to follow if there are any small rubber tube coming out from radiator towards the reservoir you have. Regards 1 Quote Link to post Share on other sites
Mikw 20 Posted January 13 Author Share Posted January 13 On 1/11/2021 at 8:52 AM, TonyHSD said: You have a radiator cap which means you fill up from there and needs to be full, only check before drive away on cold car. And if this is the case and there is no dedicated engine coolant reservoir it’s very likely to have shared same reservoir with the inverter coolant. To confirm that, try to follow if there are any small rubber tube coming out from radiator towards the reservoir you have. Regards I'm not very technical at all, but i think you're right. Definitely seems to be two tubes coming off the invertor coolant reservoir, and one seems to the radiator. Quote Link to post Share on other sites
FROSTYBALLS 3,424 Posted January 13 Share Posted January 13 Page 330 of the full owner's manual refers to checking coolant. 1 Quote Link to post Share on other sites
TonyHSD 772 Posted January 14 Share Posted January 14 10 hours ago, Mikw said: I'm not very technical at all, but i think you're right. Definitely seems to be two tubes coming off the invertor coolant reservoir, and one seems to the radiator. Well, in this case seems like Toyota has decided to use one reservoir for both systems, keep an eye on the reservoir level and if need you can top up with original Toyota long life coolant, ready mixed best. 👍 1 Quote Link to post Share on other sites
Scorpio58 4 Posted January 15 Share Posted January 15 I have a Launch Edition Yaris and can confirm that to the right of the radiator, there is an expansion reservoir with high, low and middle marks. How anyone can actually see the level is beyond me but the manual cites the level as being correct if between the high and low marks; and if low (you would never see it!) fill to the Full mark (all actions when cold). I have just joined and hope this helps. Bob 2 Quote Link to post Share on other sites
Mikw 20 Posted January 29 Author Share Posted January 29 On 1/15/2021 at 11:40 AM, Scorpio58 said: I have a Launch Edition Yaris and can confirm that to the right of the radiator, there is an expansion reservoir with high, low and middle marks. How anyone can actually see the level is beyond me but the manual cites the level as being correct if between the high and low marks; and if low (you would never see it!) fill to the Full mark (all actions when cold). I have just joined and hope this helps. Bob Thank you! Yes, you are right, there is an expansion reservoir where you say it is. However, as you also say, it's impossible to see the level! Quote Link to post Share on other sites
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