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Topics - Tumbleweed

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16
Had the mdl 41 rear end rebuilt and now I need to shim the axel end play. I have a manual but it is just a bit hard to understand about the shimming process. Do both sides an a 49 CJ3A with Dana 41 get shims to allow for .001 - .006 or do you just add to one side? Seems to me you would do both.

Thanks,

Tumbleweed

17
I have removed the brass bushing from the output shat and was wondering if there is a specified depth for the new bushing. My plan is just to press it in as deep as the one I took out. Just wondering.....

Tumbleweed...........

18
The hood on CJ does not appear to be a 1 piece thing. It looks like the seam down the center is tack welded on the inside. My question is were there any spot welds on top of the seam? Looks like the previous owner may have welded a spot on the front and then on the back toward the windshield. I think it would look better if the seam ran all the way front and back without weld spots. Did the original hoods have spot welds on top?Love to see some pictures if you have them.


George

19
Pulled the cap off my master cylinder last night. I did this because my brake lights were not working, and I thought it might be the pressure switch. To my surprise the brake fluid was rusty! Where did this come from I thought. I then looked at the cap and the spring insdie the cap (looks like it is under a pressed in cover) was rusty. There is also a small hole in the top of the cap. I have not run through high water so I don't know why it would be rusty inside. My question is should I just flush the entire system out and refill or get another master cylinder cap? The brakes are stock so I wonder if this a good time to get a duel master cylinder?

Thanks,

Tumbleweed

20
"Original"-- Technical Questions, Answers, Observations / Firewall Holes
« on: November 04, 2011, 02:41:32 PM »
I am in the process of welding all the unecessary holes in the firewall. Some are obvious that need plugging but is there a picture or print that shows the proper number of holes for cables, etc.? I hate to weld up a hole only to find out I needed to have one for an instument line.

Thanks,

George

21
CJ3A '49
Pulled the front axle off a few weeks ago preparing for my rebuild. When I removed the upper king pin there was the usual shims. I then removed the lower king pin and guess what shims again! In the repair manual it specs. shims under the top king pin only. I am wondering if the last owner just didn't know what they were doing or do I have a 2A axle? What harm is there in only putting shims under the top and not the bottom. Is there any way to measure the knuckle boss and where would the measurement come off of?

Also the tension on the 2A is lower than the 3A specifications on proper preload according to the manual.

Thanks,
\
George

22
"Original"-- Technical Questions, Answers, Observations / Bendix Axles
« on: September 06, 2011, 11:25:07 AM »
Started to tear down the front axle this weekend. Not sure what I would find but after removing all the grease from the knuckles but found that I had Bendix style axles. Now after chasing the 5 balls that fell out on each side I cleaned them up as well as the axles. The balls were in really great shape with no indication of wear but the axle portion had indications (wear marks). Not sure what is acceptable in this case. Do I bolt it back together and check end play or go for 2 new (or used) spicer axles.

Suggestions?

George

23
I bet I have probably seen at least 5 different fan shroud combinations for a 49 CJ3A on the internet. On my rig the shroud was missing. I have seen where there are short shrouds and then long ones for the same engine. I thought that I read that it must be at least covering the fan blades to function properly, or is it just to keep from getting your fingers chopped off? I'm thinking the longer so the fan can form a good suction on the radiator. Thanks......George

24
From all the information I have seen if the transmission (T90) pops out of 2nd gear the most common cause is the syncronizer gears. Am I to assume (I know this is dangerous) that I need to replace the sync. springs and the 3 teeth as well? How about the poppet springs in the shifter assembly? This is the problem on my wagon but I am also rebuilding my transmission on the 49 CJ.

Also the pilot bushing in the main shaft, should I replace or leave it in.  I don't know what the tolerence / play it should have with the mating reverse shaft.

Thanks, George

25
I know I have read this somewhere but I'm getting ready to mig weld in my floor pans. I am going to butt weld this time as I did not like the look of the overlap in my last restoration. I thought that I had read somewhere that backing up the welded panels with copper or brass is a good heat sink but also gave a smooth welded surface on the oposite side, and the weld would not stick to the brass or copper bar. I have not tried this technique but thought I would ask the question. Anyone tried this? Thanks in advance..George

26
The parking lights on my CJ look like Cadillac bumber bullets. They stick out too far in my opinion. I have seen so many variations that I don't know what was standard in 49. Anyone have a picture of the original parking lights? Greatly appreciated.

George

27
After some investigation I have determined that my 49 CJ3A has a 1952 M38 windshield. I thought that things just didn't look right when I looked at other members photos. I was going to put a vent in the windshield where the current cover is in place by 2 straps, but now I am not sure this would work since it is an M38. Also I have 4 other large holes that obviously are there for a reason. 2 holes in each of the windshield panels (left and right side next to where the vent would go). Will a vent fit? Then I would also have to weld up the other holes. Wish I could post a picture but I am not sure how to do this.

George

28
The flapper in the manifold is frozen shut so I sprayed a bunch of PB blaster to loosen the darn thing. I used a little too much wrench and broke the end off the shaft. Now I need to replace the the riser/shaft/bushings. Does the shaft need to be driven out the side (longest end out first)? I don't want to do any hammering in the exhaust manifold before I get some good advice.

Thanks, George

29
In an attempt to restore my '49 CJ3A, I was wondering what heater was used. When I purchased the Jeep it had a box type design with the front face sloping slightly on the top towards the back. I tried do do some research on it but I am not sure what I have. I can't seem to post any pictures so as soon as I find out how I will post them. Does the longer Harrison heater belong in these Jeeps? I am talking about the one that has a red WILLYS sticker on front of it.

Thanks,

George

30
Anyone know of a place I can purchase a new drawbar from?

Thanks in advance, George


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