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Confirmed: Some Exhaust in Cabin when Acceleration issue is From the Front

Discussion in 'Stock 2011 - 2019 Ford Explorer Discussion' started by Black Eyed, December 8, 2017.

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    1. Black Eyed

      Black Eyed Member

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      it seems i'm not the only one who think about this theory.

      and ford still looking for a solution in the back of the vehicle and program the HVAC to open at hard acceleration which actually they are making it worst !
       
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    3. Mbrooks420

      Mbrooks420 High Voltage. Elite Explorer

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      i don’t think cracked or leaking manifolds are the sole cause of this issue. Otherwise, sealing the hatch wouldn’t solve the smell for the majority of people having it done.

      I think before you can call anything ‘confirmed’ you need to actually VERIFY you have a cracked or leaking manifold.
       
    4. Black Eyed

      Black Eyed Member

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      I already confirmed that sealing the hood rubber and covering the fresh air intake stops the issue and the smell has disappeared on THREE different Explorers and as I said before wich confimes there is exsaust leak in the engine cabin i will find the exhaust leak in the engine cabin by using seafoam and sealing the hatch didn’t work for many people including me.

      Please stop doubt my idea and let this topic helps members who faceing this issue i’m only trying to help. If you don’t believe it this is your opinion. If you have an Explorer wich facing this issue then you can try the tips that I mentioned. If you don’t have, then this thread not for you. With all do respect.
       
    5. 1995E

      1995E Well-Known Member

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      I can confirm I have the same issue. I guess Ford does not want to pay for cracked manifolds though.
       
    6. Black Eyed

      Black Eyed Member

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      is there a exhaust smell inside cabin while acceleration ?

      try my tips in the thread and check again.
       
    7. 1995E

      1995E Well-Known Member

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      Yes. Using recirculation after the back was sealed helps a lot but the damn recirculation keeps turning off. The vent definitely pulls a lot of crap from the front and when I sealed it, it was a lot better.
       
    8. Mbrooks420

      Mbrooks420 High Voltage. Elite Explorer

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      If the issue was ONLY leaking manifolds sealing up the hatch wouldn’t fix the problem for anyone, which it has appeared to do. You have a theory. Before getting all offended that someone doubts it, maybe you should actually confirm you DO have a cracked manifold. If you are certain you have cracked manifolds why not pull them?
       
    9. Black Eyed

      Black Eyed Member

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      You sealed the engine hood rubber and now it’s a lot better? Or what did you sealed exactly?
       
    10. Black Eyed

      Black Eyed Member

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      I will lift the vehicle when i have a free time and i will update the thread.
       
    11. peterk9

      peterk9 Staff Member Moderator Elite Explorer

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      I am sure that members appreciate the work you have done and are still doing. What you have proven is that there is an air leak from the engine compartment into the cabin. You have, however, not proven the exhaust is originating from a leak in the engine compartment. You yourself said you are still working on that. So at this point the actual source is 'unknown'.
      Also, when you post in a public/open forum, you are leaving yourself open to comments from any forum members, whether or not they agree with you or your findings. That is the way it works. You really can not just restrict posts/opinions to those that agree with you.
      I, for one, am a skeptic about the leak being in the engine and therefore would be very interested in what you find out in your continued work to find the actual source of the exhaust. Good luck.

      Peter
       
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    12. Black Eyed

      Black Eyed Member

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      Thank you for your kind reply Peter.

      Since i sealed the front hood rubber and i'm not facing smell exhaust in cabin issue anymore, i didn't focus on finding where the exact leak, i thought that's enough, but if members here insist to find it, then i will give it a try and i have an idea how to find it i just need time.

      what also makes me want to find it, i found a drain water hole in the middle of the fresh air intake that you can't see it only by putting a mirror to reflect the location, that hole exactly in the center. that hole also may cause the fresh air intake to suck some emissions form the engine bay.
      but i can't cover it because this is a rain drain hole, you will be able to see it when you wash your car or after a heavy rain.
       
    13. reserved50

      reserved50 Well-Known Member

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      Has this been confirmed with a CO detector? Is it exhaust smell or smell from the coolant overflow bottle etc? Either way its good that the smell is gone but just curious if its confirmed what it actually is
       
    14. Black Eyed

      Black Eyed Member

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      Yes by using this brand and it's showing 0 while acceleration, and the smell is the exhaust inside cabin while acceleration.

      [​IMG]
       

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    15. Mbrooks420

      Mbrooks420 High Voltage. Elite Explorer

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      What was the reading in the cabin before the fix? What’s the CO detector say in the engine compartment?
       
    16. Nasty

      Nasty Active Member

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      Keeping an eye on this since I've had the TSB done without much improvement. Just received the recall letter but guessing it's the same repair I've had done without much improvement. Still shutting off re-circulatory and opening windows after a hard throttle, doesn't even need to be WOT.
       
    17. Black Eyed

      Black Eyed Member

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      not much actually . 2 ppm

      and i didn't test the CO in the engine bay.

      but it think it's not accurate detector, when i had the reading was 2 ppm the smell was terrible.

      i have seen videos an explorer detecting about 14 ppm in the cabin.
       
    18. Black Eyed

      Black Eyed Member

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      cover your fresh air intake with duct tape just for test, then give it a try. can you do it ?
       

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