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Username Post: Hood Cowl Vent Leak        (Topic#101390)
alshoesbundy 
Member
Posts: 76

Reg: 06-01-04
05-19-05 04:05 PM - Post#700284    

My 1940 Chevy coupe leaks water through the hood cowl vent (vent lid was closed)when I wash the car. As a result, water drips below under the dash into my stereo. Is this a common occurrence and what can I do to stop the leak. Thanks in advance.

 
tobey 
Senior Member
Posts: 241

Loc: E. Central Indiana
Reg: 12-20-04
Re: Hood Cowl Vent Leak
05-19-05 04:26 PM - Post#700285    
    In response to alshoesbundy

How old is your cowl vent seal? and is your hose hooked up to drain the water away. This hose is hook to your vent.

 
alshoesbundy 
Member
Posts: 76

Reg: 06-01-04
Re: Hood Cowl Vent Leak
05-19-05 05:02 PM - Post#700286    
    In response to tobey

The seal or gasket doesnt look to bad however there is no hose attached to the vent. Does this hose run from the underside of the vent and then down under the dash or through the firewall ? Thanks

 
Gene_Schneider 
Ultra Senior Member
Posts: 10766

Loc: Wisconsin..USA
Reg: 09-27-02
Re: Hood Cowl Vent Leak
05-20-05 02:17 AM - Post#700287    
    In response to alshoesbundy

It leads from the gutter under the dash that is around the vent opening,goes thru the firewall and drips the water onto the rear of the engine.Its a special moulded hose .Its available from Chevs of the 40's--part #4101941 -$14.75 .
ChevGene 1934 Master sedan 1939 Master DeLuxe Town Sedan 1950 Styline DeLuxe Power Glide 1957 Nomad 283 PG 1963 Corvair Convertible


 
alshoesbundy 
Member
Posts: 76

Reg: 06-01-04
Re: Hood Cowl Vent Leak
05-21-05 06:28 AM - Post#700288    
    In response to alshoesbundy

Thanks for the information. I will proceed forward. Thanks again.

 
alshoesbundy 
Member
Posts: 76

Reg: 06-01-04
Re: Hood Cowl Vent Leak
05-25-05 02:35 PM - Post#700289    
    In response to alshoesbundy

Update. The hood cowl vent had a drain hose attached to the underdash side of the vent (front side towards the engine)during my leak. I did notice however, what looks like a another drain under the dash that is located between the hood cowl vent and the windshield. It looks like it is below a 9/16" nut which is located on top of the cowl area. The nut is slotted with a small slit in the bolt. What is the purpose of this drain and/or nut and could this be the source of my underdash leak since there is no hose attached to this drain ? Again, thanks in advance.

 
Royer 
Needs to Get Out More Member
Posts: 11411

Loc: Bloomfield Hills, Michiga...
Reg: 09-25-01
Re: Hood Cowl Vent Leak
05-31-05 07:17 AM - Post#700290    
    In response to alshoesbundy

Why don't you lay under the dash with a flashlight - and have someone use a hose to spray a little water at the open cowl vent while you observe? You should be able to determine the source of the leakage in short order.

Royer

 
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