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11-05-2023, 02:11 PM
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#1 |
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Registered User
Join Date: Sep 2012
Location: Idaho
Posts: 652
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Rain water passenger side inside firewall/floor board, 1981 k20
I dont have any carpet, stripped out, metal floor
When it rains water drips/running down from inside firewall to floor. Felt/cardboard insulation damp on inside firewall too. I was going to pull the cowl piece( between hood and windshield) and plastic screens to search for leak source Anyone know what exactly is leaking rain water in?
__________________
'81 K20 Silverado , '99 Dodge Cummins 4x4, '05 Dodge Cummins 4x4, Pinstriping-Lettering-Specialty Painting |
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11-05-2023, 02:43 PM
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#2 |
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Senior Member
 
Join Date: Dec 2009
Location: TN.
Posts: 8,415
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Re: Rain water passenger side inside firewall/floor board, 1981 k20
My first suspect would be the seam above the blue arrow.
Second place would be inside the cowl.
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________________________________________________________________________________________ ____________________________________________ 84 Chevy K-20 63 Impala (my high school car) http://67-72chevytrucks.com/vboard/s...Crew Cab Build |
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11-05-2023, 05:10 PM
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#3 |
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Registered User
Join Date: Aug 2012
Location: Oklahoma City, OK
Posts: 2,611
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Re: Rain water passenger side inside firewall/floor board, 1981 k20
Also check the windshield seal, especially the corners.
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11-26-2023, 01:58 PM
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#4 |
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Registered User
Join Date: May 2019
Location: Thunder bay Ontario canada
Posts: 9
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Re: Rain water passenger side inside firewall/floor board, 1981 k20
I have the same issue with my 81 C10.
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11-26-2023, 02:31 PM
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#5 |
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Registered User
Join Date: Apr 2015
Location: Puyallup WA
Posts: 365
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Re: Rain water passenger side inside firewall/floor board, 1981 k20
I'm working on this issue currently I pulled the cowl and found a bunch of dirt and such.
Also the seal between the floor and the firewall is/was cracked and brittle i have taken all of that out and working on putting rust inhibitor, POR-15 and 3M sealant down. I'm not totally done but definatly sure this isn't helping the water flow out. here is a link to my post with a few pics of what i found. http://67-72chevytrucks.com/vboard/s...d.php?t=848593 |
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11-26-2023, 11:48 PM
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#6 |
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Registered User
Join Date: Apr 2012
Location: Chatt Tn
Posts: 982
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Re: Rain water passenger side inside firewall/floor board, 1981 k20
I've had one leak thru the a/c housing stud going thru the firewall as well.
__________________
88 military v30 crewcab shortbed 5.9 cummins, nv4500, 205 86 k30, 89 diesel burb, 76 gmc pathfinder 71 longbed 5.3 4l80 http://67-72chevytrucks.com/vboard/s...d.php?t=522535 |
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