MC 2100 Rebuild - JeepForum.com
 
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post #1 of 13 Old 10-21-2009, 02:40 PM Thread Starter
emeraldcite
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1974 CJ5 
 
Join Date: Jun 2009
Location: north port, fl
Posts: 88
MC 2100 Rebuild

Got my carb kit and float in the mail today. Going to rebuild the MC 2100 this weekend. I'll post pics, if I don't screw it up. Hell, I'll post pics even if I do.

I've read through the various threads here, but thought I'd put this out there.

I'm a carb rebuild virgin. Any advice or tips/tricks you have that would save me a headache later?

I'm going to pick up some carb cleaner and a new fuel filter before I start. Anything else I might need or should do so I don't light myself on fire?

Thanks!

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post #2 of 13 Old 10-21-2009, 04:02 PM
Olrev
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1981 CJ7 
 
Join Date: Mar 2009
Location: McCalla, AL
Posts: 150
Take your time.

Get a nice clean table/bench to work on.

Get a few small containers to put small parts in (cups/lids/empty bottles).

Have 4 cans of carb cleaner, make sure every hole/passage flows freely.

Wear some safety glasses while doing this (take it from me )

Clean it more than you should, especially the venturi cluster.

Make sure you put the rubber/orange umbrella in the right hole (in accel pump).

Make sure you put the accel pump spring in right (small end pointing out).

Make sure you have a new phenolic spacer (the thick gasket at the bottom).

Put it all back together and tune it per instructions from other mc2100 articles here on JF.

It's a snap!

81CJ7, 258, MC2100, TeamRush'd, 3"lift, 34x10.50TSL's, 3:31gears, Scrambler cab
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post #3 of 13 Old 10-21-2009, 04:40 PM Thread Starter
emeraldcite
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1974 CJ5 
 
Join Date: Jun 2009
Location: north port, fl
Posts: 88
Thanks! I was going to get one can of cleaner, but now I know better. I wanna do this right the first time.

Thanks for the advice. Safety glasses will be on my list.


Quote:
Originally Posted by Olrev View Post
Take your time.

Get a nice clean table/bench to work on.

Get a few small containers to put small parts in (cups/lids/empty bottles).

Have 4 cans of carb cleaner, make sure every hole/passage flows freely.

Wear some safety glasses while doing this (take it from me )

Clean it more than you should, especially the venturi cluster.

Make sure you put the rubber/orange umbrella in the right hole (in accel pump).

Make sure you put the accel pump spring in right (small end pointing out).

Make sure you have a new phenolic spacer (the thick gasket at the bottom).

Put it all back together and tune it per instructions from other mc2100 articles here on JF.

It's a snap!
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post #4 of 13 Old 10-21-2009, 04:42 PM
h2ojeep
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1978 CJ7 
 
Join Date: Oct 2008
Location: Cottonflat, TX
Posts: 677
Quote:
Originally Posted by Olrev View Post
Take your time.



Have 4 cans of carb cleaner, make sure every hole/passage flows freely.

Wear some safety glasses while doing this (take it from me )



It's a snap!
Just want to re-enforce wearing the safety glasses. Last July, My eye surgery was horrible, and then a long recovery. I needed in a big part because of carb cleaner that came right back in my eye. You can count on it.

If you didn't get it the first time.......... WEAR SAFETY GLASSES !!!!!!
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post #5 of 13 Old 10-21-2009, 04:50 PM Thread Starter
emeraldcite
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Location: north port, fl
Posts: 88
Don't worry. The glasses go right on my list. I'm glad they were mentioned, because I didn't even think about that.
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post #6 of 13 Old 10-22-2009, 05:07 PM
kmulholl
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1985 CJ8 
 
Join Date: Sep 2009
Location: new york
Posts: 48
i'll give you my 2 cents. get a gallon of the carb cleaner with a basket. berryman's i think is one brand. you want to soak the parts that are all metal only, no plastic or rubber. also, take it apart real slow and pay attention to where parts came from. maybe some photo's as you go. really easy though, you'll feel good when it's done. good luck . also, you want compressed air to blow out the parts.
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post #7 of 13 Old 10-22-2009, 05:57 PM
73jeep
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Location: Littleton, NH
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Take pics of it before disassembly and during to reference to during reassembly.
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post #8 of 13 Old 10-23-2009, 06:12 AM
starfire340
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1983 CJ7 
 
Join Date: Nov 2007
Location: usa
Posts: 342
The MC2100 carb kit comes with more parts than you need, and for various sub models of this carb. Make sure that the throttle plates move freely and close like they should. If you happen to have an automatic choke assembly on it and you intend to use it, make sure all of that stuff is clean and not binding up. If you are going manual, leave the body on the carb but I would recommend taking the internal linkage out. Make sure you have all vacuum ports blocked off that you aren't going to need or use. If you troll for problems with this carb on JF you will find that most are going to be vaccuum related. The previous replies on this post really sum it up well....Great conversion, you will love it!
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post #9 of 13 Old 10-23-2009, 07:37 AM
Jeepican
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1976 CJ5 
 
Join Date: Jun 2009
Location: White Oak, TX
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Don't mean to hijack but do rebuild instructions come with the rebuild kit....or is their a writeup on here? (Didn't find anything on search) and Google brings up too much crap. I have nover done it before and dont want to have to buy a reubuilt one or a Weber.

Thanks, and again sorry for the hijack

1976 CJ5 - 232 I6, MC2100, YJ Booster, Front disc conv, 2.5" BDS, 1" Body Lift, .5" lift Daystar Shackles, 33 x 10.50 BF KM2, Twin Stick
My Build Thread

"Oh, you're just full of fun today, aren't you? Why don't we go up to the old people's home and wax the steps?"
-Barney Fife-
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post #10 of 13 Old 10-23-2009, 08:22 AM
Supertrucker
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1979 CJ5 
 
Join Date: Jun 2008
Location: Kentucky
Posts: 59
I did my rebuild with this article
http://www.therangerstation.com/tech..._2150_carb.pdf
It walks you through step by step with plenty of photos.
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post #11 of 13 Old 10-23-2009, 08:28 AM
Jeepican
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1976 CJ5 
 
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Location: White Oak, TX
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Quote:
Originally Posted by Supertrucker View Post
I did my rebuild with this article
http://www.therangerstation.com/tech..._2150_carb.pdf
It walks you through step by step with plenty of photos.
That is exactly what I have been looking for! Thanks a bunch!

1976 CJ5 - 232 I6, MC2100, YJ Booster, Front disc conv, 2.5" BDS, 1" Body Lift, .5" lift Daystar Shackles, 33 x 10.50 BF KM2, Twin Stick
My Build Thread

"Oh, you're just full of fun today, aren't you? Why don't we go up to the old people's home and wax the steps?"
-Barney Fife-
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post #12 of 13 Old 10-23-2009, 08:50 AM
10129
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Location: Covington, LA
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Another good MC2100

Here's another good rebuilt thread.

Linky-Link
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post #13 of 13 Old 10-23-2009, 08:56 AM
Jeepican
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Join Date: Jun 2009
Location: White Oak, TX
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Quote:
Originally Posted by 10129 View Post
Here's another good rebuilt thread.

Linky-Link
same pdf.... Thanks tho

1976 CJ5 - 232 I6, MC2100, YJ Booster, Front disc conv, 2.5" BDS, 1" Body Lift, .5" lift Daystar Shackles, 33 x 10.50 BF KM2, Twin Stick
My Build Thread

"Oh, you're just full of fun today, aren't you? Why don't we go up to the old people's home and wax the steps?"
-Barney Fife-
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