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willysmjeeps.com :: View topic - Carburator Question
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Carburator Question

 
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Scott21
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Joined: Apr 12, 2007
Posts: 232
Location: Central New Jersey

PostPosted: Thu Jul 22, 2021 9:33 pm    Post subject: Carburator Question Reply with quote

Accelerator pump diaphragm. Should any fuel pass the diaphragm. End cap had fuel in it.
Hard to start and hesitates when accelerating from idle. Distributor, points and coil all good. New plugs. 1952 M38 YS carburator.

Thanks
Scott
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Scott

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4x4M38
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Joined: May 30, 2014
Posts: 3214
Location: Texas Hill Country

PostPosted: Fri Jul 23, 2021 6:03 am    Post subject: Reply with quote

No Sir.
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Brian
1950 M38
MC11481
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wesk
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Joined: Apr 04, 2005
Posts: 15522
Location: Wisconsin

PostPosted: Fri Jul 23, 2021 12:43 pm    Post subject: Reply with quote

What is the physical condition of your accelerator pump diaphragm?



This is the correct assembly drawing



This is the incorrect drawing:


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Wes K
45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100

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Scott21
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Joined: Apr 12, 2007
Posts: 232
Location: Central New Jersey

PostPosted: Mon Jul 26, 2021 3:50 am    Post subject: Reply with quote

Everything looked correct. To rips or cracks.

Scott
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Scott

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keats
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Joined: Apr 14, 2005
Posts: 266
Location: Middletown Ct

PostPosted: Mon Jul 26, 2021 9:30 am    Post subject: Reply with quote

i have had diaphragms leak around the center metal cup. hard to see.
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Gary Keating
1949 C3A, 1952 M38,
1954 M170, 1957 Cj3B
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Scott21
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Posts: 232
Location: Central New Jersey

PostPosted: Mon Jul 26, 2021 9:34 am    Post subject: Reply with quote

Itís leaking somewhere. Took carb apart and cleaned everything. Would idle but nothing more than idle
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