Horrific smell coming from vents in '07 I just bought

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Utah
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Horrific smell coming from vents in '07 I just bought

Post by Utah » Tue Nov 21, 2017 8:29 pm

I just bought a '07 limited AWD with under 60,000 miles. Everything in the car seems great. However, a horrible burning like smell comes from the vents when the heater is on.

I spent $2500 at the dealership getting that and other things updated and fixed. The dealership said it was an oil leak burning on the engine causing the smell. But I've been driving it for a week since getting it back from the dealership and smell isn't going away. I thought it was oil maybe still burning but it seems like it would've burned off after driving 300 miles.

I'm planning to take it back to the dealership, but in the meantime, anyone have experience with this issue or any ideas?


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mmsstar
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Re: Horrific smell coming from vents in '07 I just bought

Post by mmsstar » Wed Nov 22, 2017 12:54 am

Welcome, wow! an 07 with only 60K miles? That's a cream puff!
Drove an 06 LTD FWD from July 08 to August 10, moved on to a 2011 Flex

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CARR142
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Re: Horrific smell coming from vents in '07 I just bought

Post by CARR142 » Wed Nov 22, 2017 11:30 am

Check for PTU, (power transfer unit) for leaks. Ford calls it power transfer output, (PTO).

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mmsstar
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Re: Horrific smell coming from vents in '07 I just bought

Post by mmsstar » Wed Nov 22, 2017 11:38 am

Also if the axle seal on the trans leaks, it drips gear oil onto the exhaust which will then cook off and stink. If this is the problem I'd expect to see evidence of the leak wherever you park and on the exhaust pipe as well. It also depends on which side of the seal leaks, one side leaks gear lube and the other leaks trans fluid.
Drove an 06 LTD FWD from July 08 to August 10, moved on to a 2011 Flex

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