Burnt smell through vent
Given the description you have given, I would open the hood and remove the neighbors cat remains that was using your engine heat over night ... this may help in reducing that burnt smell every time you start up the engine.
I would pull out the cabin air filter (located behind the glovebox) and see if there's anything obstructing that got sucked into the blower motor. Leaves and/or mice can get in there
Here's a how to video:
https://www.youtube.com/watch?v=_WgA8IYcaxU
Here's a how to video:
https://www.youtube.com/watch?v=_WgA8IYcaxU
Thread Starter
Member
Joined: Mar 2014
Posts: 235
From: Chicago,IL
I really don't know what kind of smell but it smells like plastic. Maybe oil? I heard it can be anti freeze/coolant. But it only smells like for 3 mins and then goes away. I do hear the motor loud when I turn it on and it also goes away. It does come back when I hit bumps vice versa.
Thread Starter
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Joined: Mar 2014
Posts: 235
From: Chicago,IL
So it's not the blower motor? Should i just replace both the heater core and blower motor? Heater core for the smell? And blower motor for the sound? Now I'm not getting the right speed of the heat. What if I fix the heater core but not the blower motor.
Thread Starter
Member
Joined: Mar 2014
Posts: 235
From: Chicago,IL
You know what you might be right.Maybe that's why I still have oil consumption. I had the oil pan replace but I don't think that solved the issue. Which gaskets did you replace? Did you do it yourself?
Might be the rear valve cover gasket. I'm have the same burned smell issue, but it def smells like oil in my case.
Senior Member
Joined: Dec 2016
Posts: 432
From: Wisconsin
Reviving an old thread here:
I’m having a similar issue. In my case, it smells like burning rubber. Only when the blower is on. I’ve checked my engine bay and have not found any foriegn objects that may have been stuck in there. Another important thing to note is that you can smell the exact same smell from outside the car, even stronger.
My coolant level is steady, so I don’t think it’s that. My rear valve cover is pretty wet, but that’s the only leak. But it doesn’t smell like oil.
Sometimes it smells, sometimes not. But you can always smell it outside after the car has been running. I’m thinking cat or something? Just wanted to get ideas
I’m having a similar issue. In my case, it smells like burning rubber. Only when the blower is on. I’ve checked my engine bay and have not found any foriegn objects that may have been stuck in there. Another important thing to note is that you can smell the exact same smell from outside the car, even stronger.
My coolant level is steady, so I don’t think it’s that. My rear valve cover is pretty wet, but that’s the only leak. But it doesn’t smell like oil.
Sometimes it smells, sometimes not. But you can always smell it outside after the car has been running. I’m thinking cat or something? Just wanted to get ideas
Since you can smell it outside the car, that is probably where it is originating at. Check along the exhaust pipes for something touching them, from the exhaust manifolds and back. A catalytic converter that is plugging will smell, but that is rather distinctive, something like rotten eggs which is sulfur dioxide.
Senior Member
Joined: Feb 2009
Posts: 2,300
From: Columbia SC
Your blower motor is about to go out. Had the same problem it is either the blower motor or the fan amp controller. But during smell is def most likely from there.
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