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finding air and water leaks around weatherstripping

I found this out by mistake today. I washed my engine then started it right away to help dry things up while I washed the rest of my truck. I noticed while washing around the door openings, window openings and door handles that I was getting large amounts af bubbles building like a kid blowing bubbles. What was happening was I had the interior blower fan on HIGH and the inside of the truck was pressurized with the air leaking out around the doors, windows and door handles causing the soap to bubble there. It was like checking a tire for leaks with soapy water.

Reply to
davets
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You had the system set on recirc and the cabin was being pressurized, the next time you wash it, take it off recirc and see what happens

Reply to
maxpower

I had it set on floor so it's getting fresh air from the outside. It wasn't on Recirculate.

Reply to
davets

Dave there should be a vent on the body somewhere that allows the pressure to escape when the inside is under pressure. I dont have truck books here and you dont say what yr or make it is so I cant help you. Call your local body shop and see if they can tell you where it is at

Glenn Beasley Chrysler Tech

Reply to
damnnickname

I wasn't complaining about the leaks because I'm not getting any water inside. It might explain the wind noise though. I do see the vents your talking about but aren't they designed such that only a heavy rush of air such as a door closing will open them to release the pressure?

Reply to
davets

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