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Post by tstaples on Dec 3, 2006 18:01:08 GMT -3
86 cj7 carter bbd so i've put everything back together and i think the throttle speed mechanism is not staying where it needs to stay. every time i hit the gas, the choke plate opens and stays open... the throttle speed indicator drops and the jeep dies unless given gas now i'm not sure of the exact issue... but i know that the fact that the choke plate isn't closing and is just staying open has got to be an issue. i must have put linkage back together wrong. I checked the streams coming out of the venturi cluster and they're nice so that's not it. hmmmm... what did i screw up here? gonna go take a picture of my carb so if anything's off maybe someone will know
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Post by axle on Dec 3, 2006 21:58:18 GMT -3
You must have done something wrong , i don't think i can help much over the net but, check over your work, it may be something simple. Bob
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Post by tstaples on Dec 3, 2006 22:13:37 GMT -3
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Post by axle on Dec 3, 2006 22:54:26 GMT -3
As far as the vacume lines, as long as no ports on the carb are open thats fine(for now).as for the choke being open, i think it is the adjustment ,the round thing in your third pic with two red wires, it has a spring in it, turn it to put enough tension to close the choke. The thing in the first pic that was disconected, is a selonoid that ups the idle when cold. The forth pic is a high idle thing too, but i'm not sure if its right or not? it has been a while since i had to mess with one of these carbs so don't sue me if i'm mistaken. lol Hope this helps! Bob
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Post by tstaples on Dec 4, 2006 0:20:13 GMT -3
i think the thing with the two red wires is the autochoke? at least i think that's what it is according to the carb rebuild kit diagrams.. maybe you're right.. i'm gonna see if i can figure out how to adjust that spring... it's probably not tight enough so it's not pushing back on the choke enough.
wish it had manual choke like my dad's did.. oh well
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Post by PatriotYJ on Dec 4, 2006 2:25:45 GMT -3
didi you replace the vacuum diaphram inside the choke when you rebuilt it? usually the kits come with that, sometimes not. but that may not be holding a vacuum. alot of time when that vacuum choke stops working in cars people willl just disconect them and keep choke open. you dont neccisarily need them bu it just makes starting and idling when cold a little tougher.
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Post by jeepininmaine on Dec 4, 2006 9:16:25 GMT -3
carter bbd's hate rebuilds.they're a junk design from the factory.there are a few fixs but since you need to stay emissions legal they aren't gonna work for you.your best bet is to spend the 150.00 on a reman,get a haynes,and install it.you'll need to connect all the vaccuum lines to pass a visual also.another tip is to join cjoffroad.com .....this subject has been beat to death over there and there are literally 100's of write ups on the junk bbd.free to join.use the search feature,read everything you can find,then post any questions you may have.theres guys over there that know these bbd's in their sleep. heres the autozone pn for the reman carb.....usually right in stock 9-226 for the champion reman bbd 64-1591 for the holley reman bbd hope this helps.jeremy
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Post by axle on Dec 4, 2006 9:56:42 GMT -3
Of course we explained the carb to him, my guess is he can't afford to do anything other than work with what he has. I think the least expensive way would be to put a mc2100 on it. Bob
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Post by jeepininmaine on Dec 4, 2006 11:03:11 GMT -3
i totally agree about the mc2100 but it'll never pass smog in mass will it?
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Post by rich on Dec 4, 2006 12:05:52 GMT -3
i have never had a inspection station do a visiual check to make sure that all the emitions equiptment and vac lines were there. the only thing that i have for emitions is the egr valve and a cat. if you do get reman unit make sure it does not have the big electrical plug in the back of the carb. save up and inject it
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Post by jeepininmaine on Dec 4, 2006 12:33:50 GMT -3
if mass doesn't do visual crap then pick up a used mc2100 and run it while you save for efi.do the nutter bypass when you do the carb.
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Post by axle on Dec 4, 2006 13:59:47 GMT -3
i totally agree about the mc2100 but it'll never pass smog in mass will it? I don't know i live in RI. Bob
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Post by tstaples on Dec 4, 2006 14:00:19 GMT -3
all good stuff.. but while i save up, cause i have to to buy anything, I want to see if i can get the jeep running with this friggin carter.
I think the autochoke thing is screwed up and not pushing the linkage enough to close the choke plate. I'll disect that thing when I know a little more about it. does anyone know if there's any diagrams on the web that show the innards or how to rebuild the autochoke?
second... that pesky white plastic throttle speed thing. i have the strangest feeling that's not supposed to be flapping in the breeze like that. I think it's supposed to stay stationary. If it did i think my truck would idle fine. does anyone know about that thing?
could anyone check their white plastic thing that i circled in photo 4 and tell me if it flops around or if it's stationary? maybe something's broken on mine?
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Post by tstaples on Dec 4, 2006 14:02:22 GMT -3
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Post by axle on Dec 4, 2006 14:04:31 GMT -3
That looks like fun. Bob
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