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billybob
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Joined: Apr 20, 2011
Posts: 254
Location: mid missouri
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 Posted: Sun Jun 04, 2017 7:44 pm Post subject: Fuel pump vacuum tubes. |
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The press fit vacuum tubes on my M38 fuel pump don't want to stay in place. What could I use on them that may work. Is there an epoxy or something else that will withstand heat? I know its a press fit but would red threadlocker work? Thanks.
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1952 M-38 # 53623 - 2-52. M 416 trailer. |
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OKCM38CDN
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Joined: Feb 17, 2012
Posts: 530
Location: Del City, OK
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| Posted: Sun Jun 04, 2017 8:07 pm Post subject: |
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The vacuum tubes coming off the fuel pump are supposed to be 1/4" inverted flare fittings... not press on fit... only press to fit fitting that would be in that area is the connection to the wipers after the "Tee"...
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Hal, KB1ZQ
TSGT, USAF (Ret)
1952 M-38 CDN CAR 52-31313
1952 M-100 Strick #104
1951 Willys Wagon (For Sale)
1954 Willys M38A1 201001205
Tornado Alley
Del City, OK |
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billybob
Member
Joined: Apr 20, 2011
Posts: 254
Location: mid missouri
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| Posted: Sun Jun 04, 2017 9:27 pm Post subject: Fuel pump vacuum tubes. |
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I don't recall the brand but it's a new pump. I'll check in the morning. I've thought about tapping it so I can use screw in fittings. I already have the small pipe thread taps.
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1952 M-38 # 53623 - 2-52. M 416 trailer. |
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keats
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Joined: Apr 14, 2005
Posts: 332
Location: Middletown Ct
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| Posted: Sun Jun 04, 2017 10:22 pm Post subject: |
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do you have a civilian pump with two curved tubes off the bottom section? If so, careful use of JB weld should work fine
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Gary Keating
1949 C3A, 1952 M38,
1954 M170, 1957 Cj3B |
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wesk
Site Administrator
Joined: Apr 04, 2005
Posts: 16257
Location: Wisconsin
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| Posted: Sun Jun 04, 2017 11:44 pm Post subject: |
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M38 vacuum pump
Civilian jeep fuel pump
While you are putzing with your substitute pump what type pump did you remove? Some use a spacer to control pump output pressure. If you aren't sure either way at least use a pump pressure gauge on intial startup so you can be sure the pump is putting out the correct pressure. That is if you have the stock YS637S carb????
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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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billybob
Member
Joined: Apr 20, 2011
Posts: 254
Location: mid missouri
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| Posted: Mon Jun 05, 2017 4:40 am Post subject: Fuel pump vacuum tubes. |
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Yes Keats it's a civilian pump. I'll consider the JB-Weld. Wesk, we discussed the spacer some time ago and I was told it needed the 1/8" spacer, which I now have. Thanks to all. I appreciate it.
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1952 M-38 # 53623 - 2-52. M 416 trailer. |
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