Hi Dennis, thanks for reaching out with your question. The issues could be stemming from a variety of things such as the vent, window, door latch or rubber seal. We suggest having your truck looked at. We would be happy to get you into our shop. Please feel free to reach out to our service department at 260-749-8587. If there is anything else we can do for you just let us know. Enjoy the drive!
I'm sure Noone has the rubber in Stock so take a few days for it to come in but only takes a few minutes to put the new seal on
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