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Old 09-23-2015, 11:58 AM   #5
Barbecue
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Join Date: Jul 2014
Location: British Columbia
Posts: 84
Re: Cab leak mystery.

Quote:
Originally Posted by gmachinz View Post
I can almost guarantee your leak is coming from the seal inside the wiper cowl area. It gets dryrotted over time and mud/debris can act as a plug at times but will eventually wash back out.
Thank you so much for the feedback, everyone. Such a wonderful resource we have here and I appreciate everyone's consideration.

Regarding the fresh air vents, my truck is an AC-equipped one, so I'm afraid that won't be the fix.

gmachinz, thank you for the suggestion. I haven't removed the cowl grille as of yet (should do so asap), but can I assume that the seal you're referring to is where the floor of the cowl seals to the cab (the back portion)? This definitely sounds like it could be right as the leak is coming from quite high up...
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