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Discussion Topic:
1947 Super Deluxe Coupe
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DC |
11-19-2023 @ 8:32 PM
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Member
Posts: 5
Joined: Nov 2023
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Just purchased a 47 Super Deluxe Coupe and I cannot get the windshield wipers to work. How do I troubleshoot and where do I look to get parts if needed. Thanks
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oldfords |
11-20-2023 @ 6:34 AM
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Member
Posts: 64
Joined: Nov 2022
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First I would make sure the vacuum hose is hooked up from the intake manifold to the wiper motor. Then pull the hose off of the wiper motor to make sure you have vacuum to the motor. If yes to both of these, is your switch activating the wiper motor? Then I would pull the wiper motor and open it up to make sure the wipers inside the motor are lubed and free to operate.
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DC |
11-20-2023 @ 2:26 PM
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Member
Posts: 5
Joined: Nov 2023
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Good advice, I’ll start there. Do you know if the fuel pump is the vacuum source? A friend suggested that to me and I thought it odd, but I don’t anything about 47 Fords except mine looks sharp IMO. THANKS
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oldfords |
11-20-2023 @ 2:51 PM
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Member
Posts: 64
Joined: Nov 2022
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No the vacuum is from the manifold. I don't think the dual action pumps came until the Y block engines.
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51woodie |
11-21-2023 @ 7:00 AM
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Senior
Posts: 533
Joined: Jan 2017
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Here is where the vacuum for the distributor and the wipers connects to the manifold, on the 59AB engine in my '46 Coupe. The metal line goes to the distributor, and the rubber hose goes through the firewall, then connects to the wiper switch (valve) on the dash.
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RAK402 |
11-21-2023 @ 10:12 AM
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Member
Posts: 456
Joined: Jul 2015
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There are various videos on YouTube for reviving vacuum windshield wiper motors (some good, some not so good). Sometimes they are simply dry inside and just require lubrication (I have read about various things including ATF, brake fluid, and Marvel Mystery Oil, but don't know what is best). I revived mine with Marvel Mystery Oil following this video (not my video): https://youtu.be/g8xqtByDw-w?si=VO7emKz4HLGZvQEn I did have my wiper motor out, but checked with the the manifold vacuum before re-installing it.
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37RAGTOPMAN |
11-21-2023 @ 3:40 PM
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Senior
Posts: 1983
Joined: Oct 2009
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hi I would pull the rubber line off the wiper motor and attach a vacuum gauge and see if you have vacuum before taking things apart if you have vacuum then see if there is a clog in the line, in the photos it looks like a one way valve, [tin can] maybe it is stuck, it is broken, it also maybe dirty, if you remove it, maybe you can check the vacuum with out the valve in place, you might have to rig a fitting, to check the vacuum hope this helps 37Ragtopman ,Maine
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DC |
11-21-2023 @ 8:14 PM
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Member
Posts: 5
Joined: Nov 2023
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So many good tips and explanations. I sure do appreciate it!
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51woodie |
11-23-2023 @ 8:22 AM
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Senior
Posts: 533
Joined: Jan 2017
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The (tin can) that 37ragtopman referred to in the picture, is actually called a silencer. The one on my '46 Coupe, 59AB, is straight through, with no check valve. The part number for this item is 11A-17595.
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Drbrown |
12-06-2023 @ 7:50 AM
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Senior
Posts: 597
Joined: Nov 2013
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Drake's new catalog has wiper parts in it. PS: I've got a twin to your '47, at least the model and color. You're welcome to PM me with a problem. Over a decade I've resolved a number of issues with mine. I might be able to help.
This message was edited by Drbrown on 12-6-23 @ 7:58 AM
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