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Windshield Fogging Up Sweet Smell From Vents How to Replace the Heater Core on Your Car or Truck

Created on: 2023-01-14

Is your car or truck's windshield fogging up on the inside? In this video, Andy gives you some diagnostic tips, and an inside look at where a heater core is, and how it works. A leaky heater core can add moisture to the hot air blowing through your car or truck's vent system, and when that humid air hits the windshield, you're gonna get fog! 0:00 Windshield Fogging Up? Sweet Smell From Vents? How to Replace the Heater Core on Your Car or Truck 0:27 How a Heater Core Works! 3:15 Diagnosing a Heater Core Can Be Tricky, Because It's Behind the Dash 4:37 SUBSCRIBE! | Shop 1AAuto.com Link Below!

Tools needed

  • Socket Extensions

    Flat Blade Screwdriver

    Phillips Head Screwdriver

    Trim Tool Set

    Complete Metric Socket Set


How to Back Flush Your Heater Core by Yourself

Check out this video, where the experts at 1A Auto show you how to flush a clogged heater core. This can help prevent engine overheating.

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