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THE COWL FRESH-AIR VENT ON MY 1953 POWERMASTER IS STUCK OPEN

 
FAQs, and Tech Articles
Last Post by samnicolosi 5 days ago
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 samnicolosi
(@samnicolosi)
Eminent Member
Joined: 15 years ago
Posts: 26
Topic starter August 28, 2025 7:10 pm  

Has anyone else experienced problems with opening or closing the cowl vent?
I think the root of my problem lies in the under-the-dash "control-lever assembly". I have the factory service manual, and also the body maintenance pamphlet, but neither seems to provide any pictures or instructions for servicing the mechanism. I have tried spraying everything with WD-40, but that didn't help. Suggestions, anyone?


   
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DavidFrank
 DavidFrank
(@davidfrank)
Member Admin
Joined: 13 years ago
Posts: 435
August 29, 2025 12:08 am  

If it's like the '56, it's just mechanical linkage controlled by a lever under the center of the dash. It's probably jammed, binding and needs lubricating, or seized. Likely you'll have to get under the dash to investigate and lubricate. If you still don't have any success, you could have two people try to work it - one outside at the cowl with a gently prying and one inside with the handle. If it appears to be frozen, Kroil is a good penetrating oil. Try to spray as much of the linkage as possible and give it several days to soak. Maybe re-spray it multiple times. Be careful it doesn't drip down on the carpet though.


   
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 MarkKubancik
(@markkubancik)
Noble Member
Joined: 15 years ago
Posts: 1052
August 29, 2025 7:36 pm  

Sam...no secrets to add though would like to receive an update to what the issue was and how you solved your problem.  TIA

Mark


   
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 samnicolosi
(@samnicolosi)
Eminent Member
Joined: 15 years ago
Posts: 26
Topic starter September 21, 2025 1:25 pm  

@markkubancik  Mark, I will let you know if I make any progress. Right now I have to wait until I have a "warm body" to help me with this (someone to wiggle the outside portion while T work from under the dash... or vice versa).


   
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