Stumped
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Freshman User
Joined: Sep 2009
Posts: 30
Likes: 0
Stumped
ok guys here it is. i got a smell of anyi-freeze in the cab when i turn on the a/c and or heater. first thought heater core but the inside of the cab isn't wet anywhere and nothing is leaking from the engine compartment. Level is full and trucks not running hot at all. Thanks guys
Junior User
Joined: Jul 2010
Posts: 77
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Keep in mind that the heater box vent tube can get plugged therefore no leak under the truck and you may not have lost enough fluid to be noticeable....If you have the sweet smell of antifreeze inside the truck it is generally a heater core....You could always have a local shop put coolant dye into the system for you and run it a week or so and then check things out with a black light....
FTE Leadership Emeritus
Joined: Jul 2002
Posts: 42,561
Likes: 423
From: Long Island USA
Definitely sounds like the heater core is starting to weep. However, I'd still check everything else you can think of. The stuff can evaporate if the leak isn't big, and that smell you smell is the evaporation.
