Vacuum/Carb Help - JeepForum.com
 
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post #1 of 2 Old 05-01-2013, 08:58 PM Thread Starter
twmorgan
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1957 CJ5 
 
Join Date: Sep 2012
Location: Blandin
Posts: 27
Vacuum/Carb Help

I have been having some issues with the carb on a jeep that I have owned for a few months. It is running rich and seams to only run well if I pump the accelerator. Someone said that it may be a vacuum problem, so i want to start there and get some advice and opinion on the current setup.

I have been reading these two articles to try to educate myself.

http://www.film.queensu.ca/CJ3B/Engine/Rebuild8.html
http://home.comcast.net/~sday77/binky/repair_pcv.htm

In this first picture the part that is labeled "A" does not look right to me. I am wondering if it may be leaking.


What is the part that is labeled "B" in this second picture it is located at the base of the distributer.


I am running the non-vacuum fuel pump


Here is an over view of the whole system.


What do you think? If it needs work where would you sugest getting the parts?


Travis
1957 CJ5
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post #2 of 2 Old 05-01-2013, 09:18 PM
geneapodaca
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1978 CJ7 
 
Join Date: May 2011
Location: albuquerque
Posts: 60
Your description could mean almost anything. First of all, a vacuum problem is normally a vacuum leak which makes the engine run lean. Rich can be caused by a dirty air filter, engine needing a tune-up, carb float out of adjustment or weak carb needle valve, fuel/air mix idle screw out of adjustment, vehicle timing off... etc. You might want to start simpler with a tune up and fresh plugs, and then work your way up. Find a repair book and get dirty. You pic labeled "A" looks strange but not like a leak unless that little rubber cap is torn.
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