Quote:
Originally Posted by ravenblackfrs
I think its the other way around... fluid under pressure takes longer to heat up than fluid not under pressure. Hence the "boiling" once you have opened the pressurized system. I could be wrong, but thats my take on it.
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Well technically speaking, you don't need to heat up a container to make the water inside boil, you can just drop the pressure.
Grab a box of pasta, it should say to boil it longer if you're in a high altitude (low pressure) area.
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ahausheer's rationale seems right on the money.
To go back to my last post regarding the issue and the coolant being topped off. Scientifically speaking, it should take MORE time to get to operating temp but at the same time, the car should stay warmer LONGER after getting to operating temp and turning the car off.
I haven't really noticed a truly longer warm up time, maybe by about 10-15 seconds. On the other hand, I do notice the car staying warm longer after I let it sit. I used to come back to the car 2 hours later and have to wait for it to reach the 6oclock position on the thermostat. Now I can just get in and go it seems.
Edit: The dealership insisted on running a pressure test for me. No leaks anywhere.