2007 ford f150

pixer

Member
I need a ford guy for a question, my pickup has no discernible exhaust leaked yet when I run the heater or air conditioner with the vent open I
get motor smell in the cab anyone know how it could get in the cab? And how do I stop it. There's a lot of knowledge on this thread so I'm giving
the posta try thanks for any help
 
Could be your heater core if it smells like coolant. I've gotta replace the core on my 1994 F150. If it smells like exhaust, fuel or other engine odor, you must have a leak in the firewall or the air intake for vents. Getting cold down here in the South so I gotta get my core installed next day or so. Good luck with yours.
 
Not coolant smell, smells like engine smell canengine air get to vent inlets? I think their in the grids right under the wiper blades, could the smell
come between the hood and the hood rubber seal ?
 
I'd say if you have some oil or plastic or rubber in contact with a hot engine component, the smell could easily flow out of the engine compartment and into the vent passages or swirl up from under the truck and into the cab. I know my truck hood has a gasket on the firewall but the hood is not sealed all around the perimeter. You probably need to identify what's generating the smell and fix it in order to get rid of the odor.
 
When I had that problem with my 2007 F150 4x4 it was a cracked exhaust manifold on the passenger side. The leak was only noticeable when the truck was started cold or when hauling my camper. Hopefully that is not your problem as they are not easy to replace.

Mark
 
smells like engine smell

Not sure what "engine smell" is. That vague of a description could mean unburned diesel fuel smell, or exhaust smell, or motor oil overheating smell, or electronics overheating smell, or whatever other things in and around an engine that might smell. To an untrained nose, it might even mean the smell of a clutch or brake pads overheating.
 

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