Why Pay for Repairs? Learn How to Fix Your Car Like a Pro

Dealing with a pressurized cooling system—what should you think about before opening the overflow reservoir?

27%

Correct Incorrect Opening a coolant reservoir in a pressurized system is like popping open a shaken soda bottle—but way hotter. Let the engine cool first, and open it slowly and carefully.

Dealing with a pressurized cooling system—what should you think about before opening the overflow reservoir?

if the wind is blowing
how tightly the cap has been torqued
if the engine has cooled off some
the air speed velocity of a swallow

27%