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Joined: Jun 2015
Posts: 269
Backyard Mechanic
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OP
Backyard Mechanic
Joined: Jun 2015
Posts: 269 |
Another question for the forum. I've found and installed a new old stock wiper motor on my 31. It works but slow, is it possible inject a little oil into the vacuum tube to help lubricate it or does it have to come apart. Also I have only tried it on a dry windshield, I expect it will work better when water is on it.
31 Chevy Roadster
64 Corvette
76 Corvette
77 Grand Prix
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Joined: Jan 2009
Posts: 935 Likes: 12
ChatMaster - 750
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ChatMaster - 750
Joined: Jan 2009
Posts: 935 Likes: 12 |
Any oil injected into the vacuum line will only go to the engine since the running engine creates the vacuum and draws air. If you can disconnect the line at the wiper motor and get some lubricant like ATF into the motor then work the arms both ways to distribute the lubricant. That might help. Take the motor apart would be my last resort.
Good Luck
Dick
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Joined: Jun 2015
Posts: 269
Backyard Mechanic
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OP
Backyard Mechanic
Joined: Jun 2015
Posts: 269 |
Thank you I'll try that way, I really didn't want to take it apart.
31 Chevy Roadster
64 Corvette
76 Corvette
77 Grand Prix
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Joined: Mar 2002
Posts: 1,739 Likes: 2
ChatMaster - 1,500
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ChatMaster - 1,500
Joined: Mar 2002
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You said it was a New Old Stock. The key word there would be "old" as in the lubricant inside is probably dried and or gummed up. It will most likely have to come apart to be cleaned and re-lubed. Also check if the seals has hardened with time as well.
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Joined: Jan 2002
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ChatMaster - 25,000
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ChatMaster - 25,000
Joined: Jan 2002
Posts: 30,701 Likes: 141 |
Dip the wiper hose in some ATF and move the wiper back and forth by hand. This will draw the fluid into the motor. Let stand a day or two and give it a try. If improves give it another treatment. Yes, the old grease in the motor has to be softened.
Gene Schneider
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Joined: May 2012
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ChatMaster - 4,000
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ChatMaster - 4,000
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Not sure if is the same as the one on the 1929, but i tore my apart and rebuilt it, so you can look at the pictures and see the guts and HOW it works.
AACA - VCCA - Stovebolt - ChevyTalk
Love the Antique Chevrolet's from 1928-1932
The Beauty, Simplicity, History, and the Stories they Tell
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Joined: Mar 2002
Posts: 1,739 Likes: 2
ChatMaster - 1,500
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ChatMaster - 1,500
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Not sure if is the same as the one on the 1929, but i tore my apart and rebuilt it, so you can look at the pictures and see the guts and HOW it works. The 1931 looks similar but has a switch built in to the motor. There is a linkage that goes through the header and has a knob inside for operating the wiper at top of windshield. 1928-29-30 used a valve on the dash.
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