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Thread: heater + exhaust smell

  1. #1
    Join Date
    Apr 2013
    Location
    Portland, Maine
    Posts
    152

    Default heater + exhaust smell

    When I use my truck's stock heater (fresh air knob and heat knob pulled all the way out,) I get the smell of exhaust inside the cab. The heat works, but it won't do me any good if I'm inhaling exhaust too. Anybody have any insight on this?

  2. #2

    Default

    Disconnect heater inlet duct from engine exhaust.

    Sorry, I couldn't resist... never heard of that problem before. Do you have an exhaust leak at the manifold collector?

  3. #3
    Join Date
    Apr 2013
    Location
    Portland, Maine
    Posts
    152

    Default

    No idea. I haven't done a thorough check yet. Wasn't sure if it was a common thing or not. I'll go through the system when I have some free day light.

  4. #4

    Default

    Probably an exhaust leak under the hood, manifolds, pipe etc coupled with a hole in your heater intake hose. Could be a loose clamp etc but if you work through it you should be able to locate the trouble. I would start at the very beginning of your heating system and follow all the way back, loking for deteriorated components. If your truck is leaking exhaust under the hood you are likely stuck with the problem until you fix the leak.

  5. #5
    Join Date
    Apr 2013
    Location
    Portland, Maine
    Posts
    152

    Default

    Thanks. I'm hoping to get back under the hood this weekend. Hopefully it's an easy fix.

  6. #6
    Join Date
    Apr 2013
    Location
    Portland, Maine
    Posts
    152

    Default

    Tightened up my manifold today. Seems to helped a bit. Going to check out the rest of the system tomorrow.

  7. #7
    Join Date
    Jun 2009
    Location
    Mt. Prospect, Illinois 60056
    Posts
    2,299

    Default

    Glad it got alittle better, as that can be dangerous.
    militarypotts Spec/4 Military Police, Vietnam Era, "Does the noise in my head bother you? Welcome to the Twilight Zone!"

  8. #8
    Join Date
    Apr 2013
    Location
    Portland, Maine
    Posts
    152

    Default

    Quote Originally Posted by militarypotts View Post
    Glad it got alittle better, as that can be dangerous.
    Very much so. It's still not perfect yet. I have the day off so I'm going to see what I can find today.

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