sweet smell coming from my vents

2003 FORD F-150

118 MILES • 4.6L • V8 • 4WD • AUTOMATIC

CHRIS THEFATHERPOPPOP EATON

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I smell a some what sweet smell coming from my vents when I turn on the heat. It could possibly be antifreeze not sure. but it do give me a headache and irritate my throat. I do get heat and air no problem.

Apr 4, 2017 at 1:32 PM

DANNY L

CERTIFIED EXPERT
5,648 POSTS

Hello, I'm Danny.

Here is the information you requested. Yes, The smell could be your heater core leaking. This is a tutorial showing how to replace a heater core.

https://www.2carpros.com/articles/replace-heater-core

Below I've attached the picture replacement steps of the heater core for your truck. Hope this helps and thanks for using 2CarPros.

Images (Click to enlarge)

Apr 15, 2021 at 8:09 PM