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Unread 02-16-2012, 07:39 AM   #136
CrawlingForward
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1995 YJ Wrangler 
 
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Jeep is finally back on the road!!!!

Got the calipers switched last night and bled. Great pressure now and awesome breaking with the new discs.

I had one quick brake fluid leak at an uber-rusty fitting that we stripped like crazy originally breaking it loose (we actually had to cut the original brake line in order to get it to a more convenient position to remove it), but I tightened it down a couple more threads and all is well.

I still have to convert the parking brake cables (hopefully tonight) and there's a loud scraping noise that, because it's only affected by wheel speed but not by brakes and doesn't smell, has got to be a brake shield rubbing. Considering they rested and got dropped on a few times, that's not too surprising. I'll bend it back out tonight.

The final items (regarding the axle, at least) is to correct my pinion angle.

This is what it was originally at (didn't realize how much axle droop there was when installing, so we put in 2* shims)


Removed the shims last night and got the pinion angle down to this:


It's still a few degrees too high, and I get vibrations on major acceleration and above 50mph or so, so I'm going to order 4* shims. I'm going on vacation next week, so it'll be here by the time I get back hopefully.

So the to-do list remains at:
Pinion angle
Fix rubbing dust shield
Parking Brake

I'm getting there!

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My Other Jeep Is A Jeep - Crawlingforward's Jeep-Related Adventures

95 YJ, Rio Grande - The Wannabe Sleeper Wheeler
2010 JKU, Islander Edition - The Burly Stock Overlander

- North Shore Jeep Club -
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Unread 02-16-2012, 03:09 PM   #137
CTeunuch
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What are your plans for tires now that you have the axles to handle something bigger?
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Unread 02-17-2012, 06:47 PM   #138
CrawlingForward
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Quote:
Originally Posted by CTeunuch View Post
What are your plans for tires now that you have the axles to handle something bigger?
ha ha, 235/85/16 has always been the plan and where I want to stay. Large enough to be capable, but lighter and well-behaved on road.

I figure 32s with locked/locked aught to handle most of what I want to throw at it. If I want a 35+, I'll probably make it the JK someday.

In other news, I had a *super* productive morning.

I replaced the oil pressure sending unit (for the 5th time, got the lifetime warranty this time), adapted the parking brake, fixed the rubbing dust shield, retorqued some bolts that needed it, installed the new speedometer gear, cleaned the Jeep up a bit, and topped off my fluids!

I probably still need to replace my flare nut on my hard line, as it's weeping a bit right now and we stripped it to hell, but I'll take that as needed.

The parking brake I did as described in this writeup, and I'm using their pictures, but it's basically the same thing (minus the thimble, because I accidentally bought the wrong size).



Mine does not look nearly as neat and I took up a whole lot more slack, but you get the idea.

It's amazing how tight the new parking brake is. It's awesome! Better than it ever was before, for sure!
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My Other Jeep Is A Jeep - Crawlingforward's Jeep-Related Adventures

95 YJ, Rio Grande - The Wannabe Sleeper Wheeler
2010 JKU, Islander Edition - The Burly Stock Overlander

- North Shore Jeep Club -
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Unread 02-17-2012, 07:12 PM   #139
djflyy
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Originally Posted by CrawlingForward View Post
It's amazing how tight the new parking brake is. It's awesome! Better than it ever was before, for sure!
So.... when do you want to help me do this?!

Glad it all worked out. And sorry about the brake fitting leaking... I was probably the one that said "it's already in this far, doubt it will leak" - guess that's what you get for taking my advice
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Cleaning this thing up is similar to a slightly abused pornstar throwing on a bunch of makeup to try to hide her eternal scars, but I think she doesn't look too bad
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Unread 02-29-2012, 09:20 AM   #140
CrawlingForward
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Sonofa......



I put in my 4* shims last night (had to drill out the center pin holes to 1/2") and I thought my pinion angle was great, and it even looked a little low. Tightened it all back up and now have no vibes on acceleration, but I start getting major vibes at around 45mph.

I'm going to have to get back in there tonight with an angle finder and check to see if my eyes are seeing it accurately.
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My Other Jeep Is A Jeep - Crawlingforward's Jeep-Related Adventures

95 YJ, Rio Grande - The Wannabe Sleeper Wheeler
2010 JKU, Islander Edition - The Burly Stock Overlander

- North Shore Jeep Club -
Build/Wheel/Break/Educate/Upgrade/Repeat
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Unread 02-29-2012, 12:29 PM   #141
djflyy
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The pinion side looks fine to me, but how does the transfer case output side look?

Here's the pic from Tom Wood's site just for reference.



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Cleaning this thing up is similar to a slightly abused pornstar throwing on a bunch of makeup to try to hide her eternal scars, but I think she doesn't look too bad
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Unread 02-29-2012, 05:25 PM   #142
CTeunuch
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The axle side looks to be a zero degree difference between the shaft and pinion. You want a few degrees difference to make sure the needles are moved in all the caps as you drive. Otherwise they wear much much faster, and can cause vibes. I'd set it a few, maybe 3-5, degrees shallow of the transfer case, which should net you ~1-3 degrees negative while you're driving. 'Nah Mean?
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94ZJ AX15/HP44/8.8/5.13's/35'' MTZ's SOLD
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Unread 03-01-2012, 09:31 AM   #143
CrawlingForward
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Quote:
Originally Posted by CTeunuch View Post
The axle side looks to be a zero degree difference between the shaft and pinion. You want a few degrees difference to make sure the needles are moved in all the caps as you drive. Otherwise they wear much much faster, and can cause vibes. I'd set it a few, maybe 3-5, degrees shallow of the transfer case, which should net you ~1-3 degrees negative while you're driving. 'Nah Mean?
I knew it was ideally supposed to be a few degrees below to account for axle wrap (which I wasn't worried about with my 2.5) but I hadn't ever thought about the caps not rotating.

I took a video of the driveline angles because my camera often looks different than how it looks to the naked eye.


If you pause at like 9 seconds it gives you a full (albeit not terribly crisp) view of the driveline angles.

I'm still not getting how an equal driveshaft/pinion angle could cause vibrations. Could someone give me a quick explanation?
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My Other Jeep Is A Jeep - Crawlingforward's Jeep-Related Adventures

95 YJ, Rio Grande - The Wannabe Sleeper Wheeler
2010 JKU, Islander Edition - The Burly Stock Overlander

- North Shore Jeep Club -
Build/Wheel/Break/Educate/Upgrade/Repeat
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Unread 03-01-2012, 11:14 AM   #144
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Quote:
Originally Posted by djflyy View Post
Hot jeep build buddy. I like the way your rims and tires came out. Awesome work on that rear axle paint looks good. Was there a huge weight difference in the swap? Noticable on road? Awesome driveway shot, i also read a build thread on a familiar jeep there. Great work definitly be watching the thread.
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Unread 03-02-2012, 12:11 PM   #145
CrawlingForward
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Quote:
Originally Posted by sdotcarter View Post
Hot jeep build buddy. I like the way your rims and tires came out. Awesome work on that rear axle paint looks good. Was there a huge weight difference in the swap? Noticable on road? Awesome driveway shot, i also read a build thread on a familiar jeep there. Great work definitly be watching the thread.
Thank you! Yeah, despite being the most common tire on Jeeps and an OEM wheel (albeit Cherokee), I feel like it gives it a pretty unique look.

The 8.8 definitely was a large weight difference from the 35, as I could pretty easily carry the D35 around by myself, but I definitely strained my back once or twice carrying the 8.8 up the few steps from the basement.

I haven't actually given a real update on the rear axle yet, as I still haven't fixed the pinion angle, but the recent snow has given me my first chance to test the rear Aussie and new setup (this is actually it's first real snow since the lift and tires, believe it or not).

First, picture whoring:


As you can see, finally got a little slick last night and I was really nervous to see how a locked rear end would do. Even without snow, the rear locker is every bit as squirrley as everyone on the forum makes it out to be and I definitely have plans to switch it out for an OX at some time in the future. There's a lot of slop in the drivetrain and a lot of pulling and randomly jumping when you shift.

That being said, if you drive it *knowing* that's how it handles, it's definitely not that bad. My biggest fear was that the second I forgot about the locker and hit the accelerator in a slick turn I would spin out and die a gruesome death, etc. etc.

Turns out, I have to work harder to break the tires loose with 2WD auto-locked ATs than I did for 4WD street tires. Tires make a *huge* difference.
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My Other Jeep Is A Jeep - Crawlingforward's Jeep-Related Adventures

95 YJ, Rio Grande - The Wannabe Sleeper Wheeler
2010 JKU, Islander Edition - The Burly Stock Overlander

- North Shore Jeep Club -
Build/Wheel/Break/Educate/Upgrade/Repeat
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Unread 03-02-2012, 12:45 PM   #146
imcfarland93
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I just read through your whole thread and i love what you have done so far. i too switched the brake calipers and that cost me $200. rookie mistake. i don't know if i missed it but are the shackles the only thing thats lifting your jeep? if so where did you get them? im going to keep an eye on this thread. is worburn anywhere near springfield?

http://www.jeepforum.com/forum/f22/i...sarah-1225169/
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Unread 03-02-2012, 01:13 PM   #147
djflyy
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Quote:
Originally Posted by imcfarland93 View Post
is worburn anywhere near springfield?
You're about an hour and a half from us up on the North Shore
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Quote:
Originally Posted by bmosing View Post
Cleaning this thing up is similar to a slightly abused pornstar throwing on a bunch of makeup to try to hide her eternal scars, but I think she doesn't look too bad
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Unread 03-02-2012, 03:10 PM   #148
CrawlingForward
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Quote:
Originally Posted by imcfarland93 View Post
I just read through your whole thread and i love what you have done so far. i too switched the brake calipers and that cost me $200. rookie mistake. i don't know if i missed it but are the shackles the only thing thats lifting your jeep? if so where did you get them? im going to keep an eye on this thread. is worburn anywhere near springfield?

http://www.jeepforum.com/forum/f22/i...sarah-1225169/
Hey! I remember going through your thread after seeing yours on the "My attempt at an Unlimited YJ" thread. Some awesome stuff. Please don't ever cover up that paint job, ha ha. Ever.

The shackles are only a 1" lift, the springs are 2" BDS.
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My Other Jeep Is A Jeep - Crawlingforward's Jeep-Related Adventures

95 YJ, Rio Grande - The Wannabe Sleeper Wheeler
2010 JKU, Islander Edition - The Burly Stock Overlander

- North Shore Jeep Club -
Build/Wheel/Break/Educate/Upgrade/Repeat
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Unread 03-02-2012, 03:34 PM   #149
imcfarland93
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Thanks for the reply. I'm actually from the shore in CT but my school is up in Springfield thats why i was asking lol
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Unread 03-13-2012, 09:45 AM   #150
CrawlingForward
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Ok, now I'm just starting to get frustrated.

To review:
D35 original - perfect as fast as I could go.


Short-sigted -2* shim - didn't actually drive it because it was obviously wrong


No degree of shim - drove highway and got vibes, but I can't remember when they started


4* shims - vibes starting at around 45 mph


And finally, the 6* shims - still have vibes starting at around 50 mph. A little better, but ultimately still not highway worthy. Very frustrating.




So I called up the driveshaft shop this morning and asked if I could drop by on my lunch break and have them take a look and the guy basically told me that no shop is going to look at it without pulling out the shaft first and checking that. That wouldn't have been that annoying were it not for the fact that I just pulled out my front driveshaft last night.



Also, for those who asked if my diff cover rubbed my tank, here is your answer:


In happier news, though, Dianna and I had a very productive Jeep weekend, doing both tire rotations and air filter replacements, plus an oil change and transmission fluid change on mine (first since the new/used/dirty AX-15) and the less-than-triumphant installation of the 6* shims.



As our trusty helpers looked on, of course:


I also realized I didn't have any good poser shots of the JK since the bumper, but I did take this at least:


So, yeah, I'm really frustrated with the vibration situation and I'm tempted to just reinstall the front driveshaft, remove the rear, swap into 4WD, and let someone else deal with it.

It definitely looks like I need to have my DS cut down at the very least (compare the first image with the last), so I should be removing it anyhow.

Thoughts? I'm really getting frustrated.
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My Other Jeep Is A Jeep - Crawlingforward's Jeep-Related Adventures

95 YJ, Rio Grande - The Wannabe Sleeper Wheeler
2010 JKU, Islander Edition - The Burly Stock Overlander

- North Shore Jeep Club -
Build/Wheel/Break/Educate/Upgrade/Repeat
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