VIDEO: Damaging Engine Gaskets Due To Over Pressurization

Almost every technician has a cooling system pressure tester in their toolboxes. This video is sponsored by MAHLE.

Published: February 21, 2020

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Many of these pumps can generate more than 30 PSI of pressure. On all light-duty applications, you never want to exceed the pressure printed or stamped onto the radiator cap.

This pressure is the upper threshold the cooling system will EVER experience. Why? The cap’s calibrated spring and plunger will relieve pressure once it reaches the max pressure printed on the cap. This can range from 17 to 22 PSI. Pumping up the cooling system beyond its maximum pressure can create leaks where there weren’t any in the first place. This video is sponsored by MAHLE.

Gear Ratios and Vehicle Performance

Just remember, there is no perfect gear ratio.

By Josh Cable

Josh Cable is the editor of Counterman and ShopOwner. He joined Babcox Media in January 2017, and has been working in the field of journalism since 1999.

Published: March 27, 2024

Have you ever wondered in a rear-wheel-drive vehicle how the engine spinning in the center of the car can spin the wheels that are perpendicular to the engine?

Well it is a mystery how that happens. Additionally in that same space we change the ratios of revolutions and the torque available to spin everything.