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Old 11-20-2021, 11:47 AM   #5
LockDoc
The Older Generation


 
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Join Date: Aug 2006
Location: Montezuma, Iowa
Posts: 25,332
Re: 67 C10 door locks

Quote:
Originally Posted by ToonMan View Post
I've been trying it with the doors shut. I did spray a good penetrating oil down inside. I took off the lock knobs and sprayed it straight down in the hole. I haven't tried to roll down the window and look down that way though I'll have to give that a shot. Thanks
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Doing it that way will lube the whole latch mechanism. let us know what happens.
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Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles

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