The Wasteland Survival Guide: Engineering Greta - Page 348 - JeepForum.com

 
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post #5206 of 8099 Old 07-29-2013, 07:15 PM Thread Starter
Sundowner
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Just looked up the Ruger trailers.


If it's worth doing, then it's worth overdoing.

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post #5207 of 8099 Old 07-29-2013, 09:55 PM Thread Starter
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Tonight's Jeeping: I placed a call to Blaine in regards to the suspension harshness, and he made a very astute statement: "There's something blatantly wrong, so we just have to figure out what it is." Since I've taken literally everything out of the equation except for the springs and - get ready for a shocker, here - the front driveshaft, I'm going to focus on those two items tomorrow. The springs will get a thorough examination and the driveshaft will be unbolted at the pinion and tied up to the motor mount; it's a longshot, but there could be an issue with the driveshaft binding. I'm also going to have Annabelle drive Greta around while I take a look at the movement of the suspension as it articulates on the road; this will let me get a good look at how everything is flexing (or not flexing), and will also probably involve me leaning out of a window to a seriously unsafe degree.

If it's worth doing, then it's worth overdoing.

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post #5208 of 8099 Old 07-30-2013, 04:33 AM
TheDoc25
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Can you borrow a Gopro from somebody. Or go redneck and tape a video camera to a broomstick or go jack arse style and lye on a skate board next to the jeep of corse travelling at a safe speed,,,,,
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post #5209 of 8099 Old 07-30-2013, 05:12 AM
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Quote:
Originally Posted by Sundowner View Post
Just looked up the Ruger trailers.
Nice arent they ? If I had seen one before I started building there would be one at my house . Mike gave me a ton of pointers and ideas while I was building mine ,but its still nowhere near as nice as what he builds .

Quote:
Originally Posted by Sundowner View Post
Tonight's Jeeping: I placed a call to Blaine in regards to the suspension harshness, and he made a very astute statement: "There's something blatantly wrong, so we just have to figure out what it is." Since I've taken literally everything out of the equation except for the springs and - get ready for a shocker, here - the front driveshaft, I'm going to focus on those two items tomorrow. The springs will get a thorough examination and the driveshaft will be unbolted at the pinion and tied up to the motor mount; it's a longshot, but there could be an issue with the driveshaft binding. I'm also going to have Annabelle drive Greta around while I take a look at the movement of the suspension as it articulates on the road; this will let me get a good look at how everything is flexing (or not flexing), and will also probably involve me leaning out of a window to a seriously unsafe degree.
The driveshaft is a possibility I hadnt even thought of .Mine was shot at 80k miles and was making awful noises , especially when it would compress . I guess at some point it could have seized if I hadnt had it rebuilt .

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post #5210 of 8099 Old 07-30-2013, 06:22 AM Thread Starter
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Originally Posted by TheDoc25 View Post
Can you borrow a Gopro from somebody. Or go redneck and tape a video camera to a broomstick or go jack arse style and lye on a skate board next to the jeep of corse travelling at a safe speed,,,,,
For the nineteen thousandth time, I'm wishing that I had a GoPro or some similar HD camera. :

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Originally Posted by G Beasley View Post
Nice arent they ? If I had seen one before I started building there would be one at my house . Mike gave me a ton of pointers and ideas while I was building mine ,but its still nowhere near as nice as what he builds .
They really are; with a set of 35's, it would be immensely sweet. I can sort of see how they're put together from looking at the pictures; it's like a stronger, tougher, easier-to-build version of a 416 trailer. I doubt I could do as good a job.

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The driveshaft is a possibility I hadnt even thought of .Mine was shot at 80k miles and was making awful noises , especially when it would compress . I guess at some point it could have seized if I hadnt had it rebuilt .
It could be binding at the CV; that's highly unlikely but I'm running out of possibilities...unless the suspension is physically moving too much, which I also doubt simply because it really doesn't feel like it's moving at all. So, Today's Jeeping will be disconnecting the driveshaft in order to take it out of the loop, and also giving the springs a thrice-over.

If it's worth doing, then it's worth overdoing.

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post #5211 of 8099 Old 07-30-2013, 06:56 AM
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Springs.....highly doubtful. Front drive shaft.....I've seen crazier things.

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post #5212 of 8099 Old 07-30-2013, 07:47 AM
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How about a seized track bar?
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post #5213 of 8099 Old 07-30-2013, 07:48 AM
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Quote:
Originally Posted by Sundowner View Post


It could be binding at the CV; that's highly unlikely but I'm running out of possibilities...unless the suspension is physically moving too much, which I also doubt simply because it really doesn't feel like it's moving at all. So, Today's Jeeping will be disconnecting the driveshaft in order to take it out of the loop, and also giving the springs a thrice-over.
Bound at the CV seems unlikely, what is very possible is that it's seized at the splines. I guess that could cause a rough ride and would be very very, hard on your T'case. I'd pull it and see if you have smooth telescoping action.
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post #5214 of 8099 Old 07-30-2013, 09:47 AM Thread Starter
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Quote:
Originally Posted by Imped View Post
Springs.....highly doubtful. Front drive shaft.....I've seen crazier things.
Oh, rest assured...it got crazy. Scroll down to the pictures for evidence of that.

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Originally Posted by Hendrix View Post
How about a seized track bar?
I hadn't thought of that, but I can always pull it out and check.

Quote:
Originally Posted by gst95dsm View Post
Bound at the CV seems unlikely, what is very possible is that it's seized at the splines. I guess that could cause a rough ride and would be very very, hard on your T'case. I'd pull it and see if you have smooth telescoping action.
I sort of came to the same conclusion this morning, which was all the more reason to disconnect the shaft at the pinion and see whether or not there was adequate freedom of movement. So, I did exactly that.

Pictured: I even used my favorite little ratchet.




Pictured: And I made some reference marks, just to make sure it all went back together as intended. I'm so naive.




There was a lot of pressure on the shaft, so I gave the end of it a light tap with a hammer to unseat it, and then a slight problem showed up...and when I say "a slight problem" it should be understood that what I really mean is "a bunch of needle bearings."

Pictured: I don't think this is supposed to happen.




The good news is that the shaft moved without a lot of resistance - I could compress it about an inch or so and extend it by the same amount - and the bad news is that the cap came loose and fell off when I lightly tapped the shaft; I have no idea if I collected all of the needle bearings or not, because they went EVERYWHERE when the cap hit the floor. I've never seen one just literally jump off like that...especially not when the cap itself was barely pointing downwards. Since I couldn't be sure that I could get all of the bearings back in place and because I don't particularly like that solution anyway, I just pulled the other cap loose - which took NO effort at all - and used a bit of extra nylon strapping to hold the front driveshaft in place while I search out a new universal joint.

Pictured: I really didn't want to do this, today.




Since I already had the shaft pulled and tied out of the way, I decided to take a short drive...and the result is that there's no change in the ride whatsoever, so the driveshaft isn't the culprit, either. This is getting downright supernatural. Anybody got suggestions on a u-joint? Any reason to go with anything other than a Spicer greasable?

If it's worth doing, then it's worth overdoing.

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post #5215 of 8099 Old 07-30-2013, 10:02 AM
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Well Sundowner it seems you're problem has intrigued half of jeep forum at this point. Surely some one will think of it!

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post #5216 of 8099 Old 07-30-2013, 10:17 AM
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spicer ujoints are the prefered for our driveshafts....not sure how much water you see but the sealed ones thare are not greasable is what i have seen suggested for our TJs.....
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post #5217 of 8099 Old 07-30-2013, 11:50 AM Thread Starter
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Well Sundowner it seems you're problem has intrigued half of jeep forum at this point. Surely some one will think of it!
I like the way that Blaine explained it: something is blatantly wrong. He's correct to say so, because there's no reason that 140-lb. springs, N66 shocks, Clevite bushings and D-range tires with 20 lbs. of air in them should be transmitting this much impact, vibration, noise and harshness. But that's exactly what's happening, on both extension and compression.

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Originally Posted by clg82 View Post
spicer ujoints are the prefered for our driveshafts....not sure how much water you see but the sealed ones thare are not greasable is what i have seen suggested for our TJs.....
I'd be fine with either. I don't do water crossings that often, but there's a trail in the theoretically-near future that has a bunch of 'em.

If it's worth doing, then it's worth overdoing.

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post #5218 of 8099 Old 07-30-2013, 12:29 PM
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Quote:
Originally Posted by Sundowner View Post
I like the way that Blaine explained it: something is blatantly wrong. He's correct to say so, because there's no reason that 140-lb. springs, N66 shocks, Clevite bushings and D-range tires with 20 lbs. of air in them should be transmitting this much impact, vibration, noise and harshness. But that's exactly what's happening, on both extension and compression.



I'd be fine with either. I don't do water crossings that often, but there's a trail in the theoretically-near future that has a bunch of 'em.
then you should be fine with the sealed spicer ujoints then.....not sure where the republic of dave is but if you don't see a lot of mud and **** than that's the route i would go....
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post #5219 of 8099 Old 07-30-2013, 12:56 PM
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Avoid sealed. Trust me - my jeeps driveline exploded because of waterlogged sealed spocers not being tended to properly

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post #5220 of 8099 Old 07-30-2013, 01:44 PM Thread Starter
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Avoid sealed. Trust me - my jeeps driveline exploded because of waterlogged sealed spocers not being tended to properly
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then you should be fine with the sealed spicer ujoints then.....not sure where the republic of dave is but if you don't see a lot of mud and **** than that's the route i would go....
The axle-end joint in the front is that weird 1310-1330 conversion joint, isn't it? 793x or something? Or is it the 212x? They changed at some point, yes? Or maybe it's the GM conversion joint. I can't remember.

If it's worth doing, then it's worth overdoing.

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