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Carb problen after rebuild |
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Nobodyjeff5888 
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Joined: 27 Mar. 2016 Location: Pennsylvania Status: Offline Points: 880 |
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 Topic: Carb problen after rebuildPosted: 22 Apr. 2017 at 5:20pm |
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New copper gasket on head torqued and sealed. Fired up engine .purrs like a kitten. Problem is only at almost full choke. Did a complete carrb rebuild. After watching Scout Pilot videos. Any suggestions to figure this out? Should i do a vacuum test, new intake and exhaust manifold gaskets are in and torqued correctly. Just stumped.
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tamnalan
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Joined: 08 Oct. 2013 Location: Port Orford, OR Status: Offline Points: 989 |
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Posted: 22 Apr. 2017 at 6:24pm |
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What's it do when almost at full choke? Not sure what the symptom is.
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Alan Johnson
1942 MB - "TBD" 1943 MB - "Lt Bob" 1950 cj3a M-100 x2 teardrop camper: https://forums.g503.com/viewtopic.php?f=141&t=201740 |
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Nobodyjeff5888
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Joined: 27 Mar. 2016 Location: Pennsylvania Status: Offline Points: 880 |
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Posted: 22 Apr. 2017 at 6:42pm |
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She will run at around 1500 rpm. As i open choke she starts to idle down then will stumble and stall. Could the low,speed still be clogged. Had reset the screw at 1 and 1/2 turns out. Moved it in and out while running with no positive results.
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Red Willy
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Joined: 18 Mar. 2014 Location: Lake Villa IL Status: Offline Points: 512 |
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Posted: 22 Apr. 2017 at 8:18pm |
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Sounds like a vaccum leak. Did you install base gasket with diffuser and tighten enough to crush the steel spacers? Vacuum port for wipers plugged or hooked up to wipers?
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Glen
49 CJ3A |
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Nobodyjeff5888
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Joined: 27 Mar. 2016 Location: Pennsylvania Status: Offline Points: 880 |
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Posted: 22 Apr. 2017 at 8:42pm |
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Vac port plugged and removed the copper spacers (as suggested in another post) on the defusser. Will try the trick of spraying carb cleaner around to check for leaks.
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danover321
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Joined: 30 May 2012 Location: Smithville, MO Status: Offline Points: 357 |
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Posted: 22 Apr. 2017 at 9:46pm |
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Sounds like your throttle shaft is worn out causing a vacuum leak. Contact Scoutpilot to have it bushed with a new shaft.
Edited by danover321 - 22 Apr. 2017 at 9:48pm |
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44 Willys MB 379XXX
45 Willys MB 459XXX 46 Willys CJ2A 38008 46 Willys CJ2A 38136 47 Willys CJ2A 97474 US Army Active/Reserve 1989 to 2005 Desert Storm, Bosnia, Kosovo, Iraq Invasion 2003 |
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Nobodyjeff5888
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Posted: 23 Apr. 2017 at 12:05am |
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After i check a few things and dontget a y positive results i will do just that. Thanks for all the help
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drm101
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Joined: 12 Dec. 2012 Location: Clarkston, MI Status: Offline Points: 1470 |
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Posted: 30 Apr. 2017 at 5:17pm |
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I took mine apart and put it back together at least 4 times before everything worked right. There are a couple jets and an air bleed that need to be installed properly (I missed one of them). I also bent the metering rod which made it run rich. Sounds like you have the opposite issue. Mightymo has a great rebuild guide for the WO.
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Nobodyjeff5888
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Posted: 30 Apr. 2017 at 5:57pm |
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Got in touch with Scoutpilot. He set me straight. Sent him a few pic and a list of what was done. He spotted my throttle/ choke link was bent bad. Ordered new one. Should be here wednesday. Will post results. Thanks for the comments and yes ive visited mighty moes site. Great help
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