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How to drain 1KR-FE Coolant from Engine block?

How to drain 1KR-FE Coolant from Engine block?

AoA
I hope you are fine. I have a Toyota Vitz and I want to change the coolant of my car but I have a question that how can I drain the coolant from engine block? I want to know the location from bolt o r plug from there I could change the coolant of my car. I came to know that if the coolant is old and drain it o r put premix in it then it will not 50 50 mix properly. But if we drain the coolant from engine blockst then put the premixed and it will be 50 50 mix properly.
And one more thing, kya ye coolant Toyota ka concentrated coolant hay? Qk ispar premixed nai likha hua.
I have seen a video that I found on YouTube in which this process is explained in detailed. Check the video and link is given. Is this the right way to drain the coolant from engine block? One thing more I want know that Is this a concentrated coolant of Toyota as premixed is not mentioned in it? kindly guide me in this regard. Thanks all,
Sajid Khan asked on 23 Dec 2022 17:27:38 pm
1 Answer
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Sumaiya Akbar - on 24 Dec 2022 13:53:11 pm
Open the radiator screw first, then open the lower hose engine side having the thermostate going from lower part of radiator to the engine block the hose clip is a bit tricky to open. After that, open the upper hose radiator side going from upper radiator to the engine. Use air blower to flush the remaining coolant. Close the system and use distilled water to flush.

When reinstalling the thermostate, theres a small hole/knob on it, make sure to keep the knob on the upper side. Also, properly attach the gaskit on the thermostate

After that, use the new coolant and do air removal procedure. Continued...
 

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