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Is it Possible to Access the Master Cylinder Rod

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Seakaye12 View Drop Down
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    Posted: 11 June 2019 at 11:26am
Hello All....

I have noticed that all the "help videos" on youtube etc show service procedures with the body removed.

I have to replace the Master Cylinder on a CJ2a and would GREATLY appreciate tips and techniques for doing so with the body in place.

In particular....how the heck can I access the cotter pin that holds the push rod. 

Thanks everyone;  I really appreciate people taking the time to help.


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mbullism View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote mbullism Quote  Post ReplyReply Direct Link To This Post Posted: 11 June 2019 at 11:43am
I replaced mine that way last fall... I recall it was pesky, and that I had to hold my tongue just right several times, but it's doable.  There are a couple "can see it, or touch it, but cannot see it AND touch its" involved.

My apologies, but I was more focused on getting it done rather than creating a guide... 
1946 CJ2A #69750 - "Plowshare"
Bantam T3-C #15849
2016 JK unlimited (Hers)
1969 Kaiser CJ5 (sold)

Analog spoken here....
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RICKG View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote RICKG Quote  Post ReplyReply Direct Link To This Post Posted: 11 June 2019 at 11:59am
Remove the left side fender and drop the exhaust pipe out of the way for better access.
I never met a mule I didn't like!
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Post Options Post Options   Thanks (0) Thanks(0)   Quote berettajeep Quote  Post ReplyReply Direct Link To This Post Posted: 11 June 2019 at 1:36pm
Originally posted by RICKG RICKG wrote:


Remove the left side fender and drop the exhaust pipe out of the way for better access.



x2. May seem like more work but it will help with throwing tools or cursing   


Would also be a good time to adjust valves with everything out of the way...
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Post Options Post Options   Thanks (0) Thanks(0)   Quote ndnchf Quote  Post ReplyReply Direct Link To This Post Posted: 11 June 2019 at 1:57pm
I was able to remove and replace the MC from below on my '48. It takes some wiggling, but it wasn't too hard.

 A previous owner gave mine additional access above the round floorboard cover.  The section between the steering column and the round cover is now removed with the cover.  But I don't think this made much of a difference removing the MC.  That was all done from below.  But it does make it easier to add fluid.


1948 CJ2A - It goes nowhere fast, but anywhere slow.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote cal.bar Quote  Post ReplyReply Direct Link To This Post Posted: 11 June 2019 at 4:51pm
Can be done.  Fiddled with mine a bunch with the body on.  Not all that hard depending on where your exhaust pipe runs.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote flattiesrule Quote  Post ReplyReply Direct Link To This Post Posted: 12 June 2019 at 9:09am
The hardest part for me was that darn mc heat shield. I fought and fought, fiddled, shoved, threw it across the garage and walked away. Came back a few hours later, climbed under the jeep, and it slipped right into place.
'47 cj2a
'76 cj7
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Post Options Post Options   Thanks (0) Thanks(0)   Quote mbullism Quote  Post ReplyReply Direct Link To This Post Posted: 12 June 2019 at 9:14am
Originally posted by flattiesrule flattiesrule wrote:

... Came back a few hours later, climbed under the jeep, and it slipped right into place.

LOL You have to hold your tongue just right Tongue
1946 CJ2A #69750 - "Plowshare"
Bantam T3-C #15849
2016 JK unlimited (Hers)
1969 Kaiser CJ5 (sold)

Analog spoken here....
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Post Options Post Options   Thanks (0) Thanks(0)   Quote ndnchf Quote  Post ReplyReply Direct Link To This Post Posted: 12 June 2019 at 9:26am
Mine has a Bubba exhaust that made it impossible to put a heat shield on. So I wrapped the pipe in exhaust heat wrap to keep the heat away from the MC. It works great and is much easier to install.
1948 CJ2A - It goes nowhere fast, but anywhere slow.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Seakaye12 Quote  Post ReplyReply Direct Link To This Post Posted: 12 June 2019 at 9:33am
I think that at the least I will have to drop the exhaust pipe.  It is one of the largest obstacles to be sure.

I already have the MC out but what has been stumping me is the removal of the pushrod.  It is rusted up and not allowing any adjustment....so I need to deal with that.

All the vendors who want to sell us parts.....why can't at least one of them do videos in real life conditions....with the body in place.  For everyone who does a frame-off restoration there must be thousands of us who just need to replace a simple part here and there.

One of you vendors do appropriate videos'  PLEASE??
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mbullism View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote mbullism Quote  Post ReplyReply Direct Link To This Post Posted: 12 June 2019 at 10:22am
Well that's a horse of a different color, lol... my, how things have changed LOL

( I feel so old...)




1946 CJ2A #69750 - "Plowshare"
Bantam T3-C #15849
2016 JK unlimited (Hers)
1969 Kaiser CJ5 (sold)

Analog spoken here....
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