[stickman]

Hi everyone,

I,m replacing the NTC sensor and was wondering if (as Bentley says) I have to drain coolant first. On a stone cold engine, will there be coolant spewing out if I don,t?

thanks
yep, I,m a novice

Steve

 

[Matthew]

If you remove the NTC sensor without draining the coolant, then you'll probably lose a litre or so of fluid. However, if you're quick with your finger and then the new sensor you might get away with just a little spill!

On a cold engine, the coolant won't be under pressure and so shouldn't spew anywhere If you want to minimise mess, then you could drain off a couple of litres to be safe.

However, if the cooling system's not been serviced for a while then now might be a good time!

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