Quote:
Originally Posted by esevx5
I guess 108 I still a threshold for me because that's when my expansion tank cracked. Could also be a coincidence though as I don't think it has ever been replaced (129k miles)
Based on my research, the range is normal
Doesn't anyone know if the electric water pump varies its speed based on engine rpm or pedal pressure?
I noticed I drove around harder yersterday, yet the car ran much cooler (85C to 105C). I figured higher rpms would lead to a hotter running engine, but it was the opposite
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Same here. I think the electronic water pump tries to be fuel efficient. If you don't run it hard, it won't cool the engine as much. When you run the engine hard, it goes into full time cooling mode which cools the engine more.