Gas smell in cab

By Andrew Hofer
May 1, 2020 in Gen III & Gen IV V8 Engines (LS-Based)

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Andrew Hofer

Posted May 1, 2020

I have a bad gas or some strong smell in my cab everytime o almost come to a stop or a slow turn . The winds isntbright to blow the exhaust to the cab filter changed the evap solenoid filter motor oil filler cap oring looks good . . Just cant figure it out .

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  By davester · Posted 7 hours ago
  
  And there aren't any "bellows". There are solid plastic doors the actuators move, which largely seal just by themselves, and then have a strip of foam around the edge to better seal the door. The foam does deteriorate over time, but this is unlikely to be a significant cause of the problem.
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  By davester · Posted 7 hours ago
  
  are the heater controls set for hot or cold air? If it's set for hot, and say, to get air from outside the cab (vs recirculated air), even w the fan off, air will get pushed through the hvac system, over the heater core and into the cab. Switching it to cold will reduce the temp to whatever it is outside. Switching to recirculate mode (which may mean switching to vents or whatever, read your owners manual), will reduce the amount of airflow through the hvac system.
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