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I had the car in at the Renault garage to check out the "check electric system" warning that continued to show, even after replacing the 12V battery. According to Renault the elec water pump is broken and needs replacing.

What exactly does the water pump do? Isn't the battery air-cooled? How easy or complex is the replacement of it? Can a DIYer manage it or does it need specific tools?

Any ideas or suggestions welcomed.

Cheers
 

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I had the car in at the Renault garage to check out the "check electric system" warning that continued to show, even after replacing the 12V battery. According to Renault the elec water pump is broken and needs replacing.

What exactly does the water pump do? Isn't the battery air-cooled? How easy or complex is the replacement of it? Can a DIYer manage it or does it need specific tools?

Any ideas or suggestions welcomed.

Cheers
The motor drive and other power electronic components are water cooled. The Q90 motor is also water cooled but the R motors are air cooled.

Check out HEVRA garages who are competent to work on EVs and should be able to give an assessment and competitive quote.
 

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Nissan LEAF30
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Only in the Q90 is the motor water-cooled, and as you say the battery is not.
As above a HEVRA garage is the best bet. In terms of DIY @Toomba and @yoh-there are probably best to advise.
 

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Renault Zoe Intens Q210 22kw 2013
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I can only say for the Q210 (because thats the one I have) and the traction battery on that is cooled down (when needed / fast charging ect) by the air conditioning of the car and its refrigerant (not by the coolant header tank with antifreeze in it at the front of the car) - I think the coolant header tank with the antifreeze in just cools the PEB electronics board (and possibly the motor ?) in mine havent a clue where the water pump is in my Q210 to distribute the coolant though, must be attached to the top of the motor?
 
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