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This past few days I did some updates to the Jeep. First off, I was having some major stalling and idle issues. It would stall out at every stop, and it would stutter while idling parked. It is a common problem with older Jeeps. The main reason for this problem is the carburetor. I got a good deal on a used Weber carburetor from a guy on JeepForum.com.

Weber Carburetor for a Jeep YJ

I was a little unsure if I could do the install. There are a lot of tubes and wires and nonsense that had to be plugged and moved. I had to buy new tubes since the used one did not come with the correct ones. A new fuel hose, PCV tube and some random vacuum tubes.

I should have started during the daylight hours, but I was supposed to meet up with another Jeep owner to trade tires. (The 35″ tires were a little unsafe for the stock axles and brakes on my jeep so we were going to trade my 35″ for his 33″ tires). The guy cancelled at like 4:00, so I decided to start the carb swap. It gets dark around 4:30 – 5:00 and I was working under the hood with 2 flashlights.

After a couple of hours and lots of looking at my installation instructions, the swap was complete. At least it was as complete as my knowledge would allow. I tried starting up the Jeep… and it started on the first try. It had no problems idling. No more sputtering or stalling out. I was surprised.

I took it for a few minute test drive and it didnt even sputter once at stops. It ran fine the whole time. I smelled some burning rubber smell, but I assumed it was the gasket sealer I used on the carburetor mounts. I drove for about an hour the next day it was very reliable and strong.

Here is the engine compartment before the swap:

Stock YJ engine

Here is the engine with the new Weber carb:


Weber in the YJ

Here is a pic of all the unused stuff from under the hood after the install:

stock air filter and carburetor

  1. woodman36 posted the following on 15Jan2007 at 5:14 pm.

    Congrats..;..

  2. Ginger posted the following on 16Jan2007 at 1:15 pm.

    I’m curious as to why there are left over parts???

  3. mob posted the following on 16Jan2007 at 2:23 pm.

    Everytime I take something apart then put it back together, there are left over parts laying around…
    hehe

    The leftovers are not needed anymore… these were all part of the old caruretor or emissions stuff that the new carb does not need.

  4. mob mom posted the following on 16Jan2007 at 10:38 pm.

    Papa had a knack for having left over parts to things….maybe it’s genetic…hehe

  5. mob posted the following on 17Jan2007 at 4:55 pm.

    There is more tubes that still need to be removed. I am not sure which ones yet. Lots of inefficient stuff packed in there. It made sense to have it all in there when the Jeep was new, but not after 18 years.

  6. Mr.Bits posted the following on 18Jan2007 at 5:02 pm.

    great jobbie mobbie ol’ boy!

  7. MB Parts Blog posted the following on 07Mar2007 at 9:37 pm.

    I think the replacement that you used on your carb was of different type or brand maybe. It’s still good if you used the same kind. You may not have bothered to buy new wires for it to fit. Used jeep auto parts are a practical choice since it costs lesser than the new ones. Provided that you’re able to get a used but still in good condition.

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