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iwojimavet
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Joined: May 30, 2011
Posts: 17
Location: St. Louis, MO
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 Posted: Fri Aug 31, 2012 5:15 pm Post subject: M170 Carburetor and Fuel Pump rebuilds |
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Hi everyone, an M170 neophyte here. I had a mechanic look at my M170, and the carburetor needs rebuilding, and he says the fuel pump needs to be replaced or rebuilt. After I woke up from passing out at the price he gave me, I thought can I do it myself? I looked at a blowout/parts diagram for both, and it looks pretty straight forward. Is this something I can tackle myself with everyday tools, and given I have not done it before? Second, how do you know when a fuel pump needs to be replaced instead of rebuilt?
I've located some rebuild kits on EBay...I guess that's a start.  |
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hillbilly21
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Joined: Aug 26, 2005
Posts: 510
Location: North Carolina
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| Posted: Fri Aug 31, 2012 7:09 pm Post subject: CARB |
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GIVE MIDWEST MILITARY A CALL ASK FOR JOHN ..HE IS THE BIG GUN THERE !! I AM SURE HE HAS ONE THAT IS REBUILT ALREADY TO GO ..JUST HAVE TO SEND HIM YOUR CORE..I HAVE BOUGHT SEVERAL REBUILT CARBS FROM HIM WITHOUT ANY PROBLEMS !!!!!!!!
HE ALSO HAS THE CORRECT FUEL-VAC FUEL PUMPS ALREADY REBUILT ALSO ........  |
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wesk
Site Administrator
Joined: Apr 04, 2005
Posts: 16250
Location: Wisconsin
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| Posted: Sat Sep 01, 2012 1:16 am Post subject: |
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| Quote: | Is this something I can tackle myself with everyday tools, and given I have not done it before? Second, how do you know when a fuel pump needs to be replaced instead of rebuilt?
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Sure it is. But it must be done correctly IAW the component overhaul manual. Just download the two applicable manual excerpts loaded on our download page. Read thru them and if there's anything you do not understand or any tools you are not familiar with let us know here on this board and we'll try to help you out.
The pump should be replaced only if you find in the manual that it doesn't pass an inspection item for which you cannot find repair parts.
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Wes K
45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100
Mjeeps photo album: http://www.willysmjeeps.com/v2/modules.php?set_albumName=Wes-Knettle&op=modload&name=gallery&file=index&include=view_album.php |
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skyjeep50
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Joined: Feb 20, 2007
Posts: 606
Location: Illinois
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| Posted: Sat Sep 01, 2012 7:36 am Post subject: |
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Another Source is "Then and Now Automotive" - they supply parts as well as rebuilding services. I had a M38 fuel pump rebuilt by them and it has worked great. Their website is: http://maritimedragracing.com/then_and_now_automotive___se.htm
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1951 M38 |
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oilleaker1
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Joined: May 14, 2009
Posts: 971
Location: South Dakota
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| Posted: Mon Sep 03, 2012 7:38 am Post subject: |
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You can do it yourself, try and get the good later produced kits with the more compatable rubber diaphrams. One thing I missed was checking the fuel pump surface where it meets the spacer/block for flatness. If the previous owner tightened it too much, it warps the surface and even with gaskets and sealer, it leaks oil and drives you crazy. The spring tension on that pump is amazing!  You don't want to do it twice, and remember to turn the engine over so the pump arm is on the lowest point of the cam lobe. Pay attention on the carburator where the two types of diaphram springs go. Also check the very small holes in the brass orifices for blockages----------even new ones. John |
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getsome
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Joined: Aug 31, 2012
Posts: 12
Location: Clinton, CT
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| Posted: Fri Jan 11, 2013 10:07 am Post subject: |
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I have a 1963 M170 but it does not have the original carburetor. Can someone tell me what carburetor was the original?
THanks
Chris |
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evanso1975
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Joined: May 10, 2010
Posts: 615
Location: North Yorkshire, UK
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wesk
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Joined: Apr 04, 2005
Posts: 16250
Location: Wisconsin
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getsome
Member
Joined: Aug 31, 2012
Posts: 12
Location: Clinton, CT
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| Posted: Fri Jan 11, 2013 10:39 am Post subject: |
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| thanks all. I appreciate it! |
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