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Vacuum wipers |
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Todd 
AMC Fan 
Joined: Jun/22/2015 Location: BLUE Mound,Il Status: Offline Points: 6 |
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 Topic: Vacuum wipersPosted: Jun/22/2015 at 1:14pm |
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My vacuum wipers are not workin, I was told the fuel pump had a bad diaphram? Could this cause this? Also is it possible to bipass fuel pump & run a seperate vaccum line to the intake?
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rocklandrambler
AMC Addicted 
Joined: Feb/09/2013 Location: Nanuet, NY Status: Offline Points: 3953 |
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Posted: Jun/22/2015 at 1:40pm |
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You can run a line straight from the manifold to the wipers to see if that makes them work. If it doesn't then the wiper motor needs to be rebuilt too. If it does work you can leave it that way but be warned that if you're caught out in a storm the wipers will SLOOOOOOOOOOOW down almost to a stop whenever you accelerate or are going up a hill.
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Past AMC's
1974 Hornet X (new) 1975 Gremlin X (new) 1964 Classic 660 Cross Country 1965 American 440-H |
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Todd
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Joined: Jun/22/2015 Location: BLUE Mound,Il Status: Offline Points: 6 |
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Posted: Jun/22/2015 at 1:49pm |
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Wow, thanks for the fast reply!! Thats what ill try, someont.haf told me.that may.work bit I wasnt sure if it wod mess anything up!! Thanks again :)
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Ollie
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Joined: Sep/17/2012 Location: Brandon, MS Status: Offline Points: 2803 |
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Posted: Jun/22/2015 at 1:51pm |
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Both, pump and wiper motor, most probably need attention
Ollie |
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jayramb
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Joined: Aug/25/2009 Location: Bloomington, MN Status: Offline Points: 487 |
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Posted: Jun/22/2015 at 5:49pm |
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if you haven't rebuilt it, have it done for reassurance. Mine works awesome!
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Jayson Helenske
See my webiste! www.1967AMCRamblerRebel.weebly.com Current Cars: 1967 Rambler Rebel 770 290 V8 4-barrel and Paint - Marina Aqua. 1966 MARLIN 327 V8 4 barrel and Paint-Med. Cortez Aqua |
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mmaher94087
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Joined: Apr/01/2008 Location: Arizona Status: Offline Points: 1690 |
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Posted: Jun/22/2015 at 6:27pm |
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I guess I'm challenged. What car year/model are we working on?
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Mike
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billd
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Forum Administrator Joined: Jun/27/2007 Location: Iowa Status: Offline Points: 30894 |
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Posted: Jun/22/2015 at 8:06pm |
Agreed - and if they are sluggish in any case, I've sprayed a little WD40 into the vent or intake on the wipers and watched how they reacted. If they speed up quite a bit - time for a rebuild, new seals and a good cleaning. The fuel pump booster keeps some vacuum to the wipers when you are under a load like going up a hill, when manifold vacuum is normally very low.
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Bruce Clarkson
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Joined: Feb/09/2013 Location: New Bern, NC Status: Offline Points: 538 |
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Posted: Jun/24/2015 at 8:46pm |
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I had similar problems with my 67 Ambassador. I had the vacuum wiper motor rebuilt. I connected it to the intake manifold and drove it that way while I looked for the two stage fuel pump. Instead, I found local folks who rebuilt the fuel pump. It's worked great for quite a few miles now. I'm surprised how well this setup works in the rain--- even up hill.
Good luck, Bruce Clarkson |
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Bruce Clarkson
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dogbone
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Joined: Mar/13/2008 Location: TN Status: Offline Points: 702 |
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Posted: Jun/24/2015 at 10:12pm |
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people always seem to send their vacuum wiper motors out for rebuild. Is there not a kit to do i yourself?
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MARTINSR
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Joined: Sep/08/2009 Location: SF bay area Ca Status: Offline Points: 670 |
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Posted: Jun/24/2015 at 11:39pm |
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I rebuilt the one in my Chevy pickup years ago getting an NOS rebuild kit in Hemmings motor news, worked so darn good I had to turn it down!
In my Rambler I pulled it apart and greased it, it works great. I drive the car every day and it's performed flawlessly for 4 years. Brian
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1959 Rambler American daily driver. And I mean EVERY SINGLE day.
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rocklandrambler wrote: