Ventilator Cowl Rain Drain.
Posted: Wed Nov 12, 2008 8:58 am
Does anybody have pics showing the CCKW ventilator cowl rain drain?Didn't find in my manual.Thanks. 
The GMC CCKW
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Ventilator Cowl Rain Drain.
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Ventilator cowl rain drain picture.
Posted: Thu Feb 05, 2009 7:20 pm
Cowl Drain
Posted: Thu Feb 05, 2009 10:30 pm
Fernando,
Does that mean that there is a hose connection from the cowl vent down to the opening in the firewall?
I've seen what looked like a tube under the dash, but if there is supposed to be a hose connection, they always seem to be missing.
When driving my truck in a summer rain storm, there is usually so much water flying in everywhere it doesn't matter.
But your post answers yet another CCKW puzzzle.
Thanks
Cat Man
Does that mean that there is a hose connection from the cowl vent down to the opening in the firewall?
I've seen what looked like a tube under the dash, but if there is supposed to be a hose connection, they always seem to be missing.
When driving my truck in a summer rain storm, there is usually so much water flying in everywhere it doesn't matter.
But your post answers yet another CCKW puzzzle.
Thanks
Cat Man
Posted: Fri Feb 06, 2009 9:11 am
yes there is a "hose " connected to the fire wall
From memory approx 3/8 to 1/2 dia. 3 to 5 inches long
I've used re-inforced rubber fuel line as a replacement
The closed cabs have a 1/8' steel line drain in each corner of the windsheild these are usually plug with rust or rotted off as well , on my Chevy I used rubber vacuum line as a replacement and made sure they nearly exited at the front lower cab corners.
Hope this helps
John
From memory approx 3/8 to 1/2 dia. 3 to 5 inches long
I've used re-inforced rubber fuel line as a replacement
The closed cabs have a 1/8' steel line drain in each corner of the windsheild these are usually plug with rust or rotted off as well , on my Chevy I used rubber vacuum line as a replacement and made sure they nearly exited at the front lower cab corners.
Hope this helps
John
Ventilator cowl rain drain.
Posted: Fri Feb 06, 2009 2:03 pm
Yes,Cat Man.This days ago I discovered another thing in my Jimmy.The clutch pedal STOP.Does your truck have one too?Have you a pic for sharing it to us?After send me a pic of your truck in a summer rain storm,ok? 