# 2003 Ford F350 - Exhaust Through HVAC

**URL:** <https://community.cartalk.com/t/2003-ford-f350-exhaust-through-hvac/144250>\
**Category:** Maintenance/Repairs\
**Created:** [July 12, 2019, 5:03pm UTC](https://community.cartalk.com/t/2003-ford-f350-exhaust-through-hvac/144250 "2019-07-12T17:03:55Z")\
**Posts on this page:** 3\
**Page:** 1

<div class="post-metadata">

**Author:** ![AlbertWRachel](https://avatars.discourse-cdn.com/v4/letter/a/8dc957/32.png) [@AlbertWRachel](https://community.cartalk.com/u/AlbertWRachel)\
**Post date:** [July 12, 2019, 5:03pm UTC](https://community.cartalk.com/t/2003-ford-f350-exhaust-through-hvac/144250/1 "2019-07-12T17:03:55Z")

</div>

exhaust smell is comming out of the ac sometimes

---

<div class="post-metadata">

**Author:** ![pyrolord314](https://avatars.discourse-cdn.com/v4/letter/p/6a8cbe/32.png) [@pyrolord314](https://community.cartalk.com/u/pyrolord314)\
**Post date:** [July 12, 2019, 5:09pm UTC](https://community.cartalk.com/t/2003-ford-f350-exhaust-through-hvac/144250/2 "2019-07-12T17:09:28Z")

</div>

I would drive with a window cracked straight to a muffler shop to have your exhaust system checked for leaks

---

<div class="post-metadata">

**Author:** ![db4690](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/db4690/32/2583_2.png) [@db4690](https://community.cartalk.com/u/db4690)\
**Post date:** [July 12, 2019, 8:39pm UTC](https://community.cartalk.com/t/2003-ford-f350-exhaust-through-hvac/144250/3 "2019-07-12T20:39:05Z")

</div>

here’s some possibilities . . .

cracked exhaust manifold(s)

leaking exhaust manifold flange gasket(s)

leaking exhaust manifold gasket(s)

exhaust manifold leaks due to broken exhaust manifold hardware