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Water leaking - can't find the source

1060 Views 3 Replies 4 Participants Last post by  Bill1013
Any suggestions gladly accepted. I have water leaking somewhere behind the dash. Checked the door seals but that doesn't seem to be the issue. Are there any common areas on 99 F350's to look for. It's leaking onto the GEM, so I need to catch it quickly.
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Spray some glass cleaner (foamy type) around windshield and use a blow gun to blow air from inside out and if the windshield is leaking you'll be able to see it.

Also if you have perhaps a remote start or alarm somtimes when they run wires through the firewall into the rubber grommets, people don't seal them properely and I've seen those leak also.
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