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  1. J

    What did you do to your OBS GMT400 Tahoe/Yukon Today?

    The first few things of a very long list. Replaced the rear drums in their entirety. (That was interesting). Got rid of the OBS Master Cylinder and got a 2002 one for a firmer brake pedal. Upper and Lower ball joints, upper control arms and all the bushings, both side. Removed the molding on...
  2. J

    Differential flange loose?

    I found I'll give that a shot tonight. Might be why the 4WD isn't working as well. Two birds with one stone..
  3. J

    Differential flange loose?

    Hi guys, I took the plunge. I did the upper control arms on both as a complete set, and did the lower ball joints and bushings on the Yukon. I'm gonna restore this baby. But I have a problem. When I did the Drivers side- when I reconnected the axle to the differential flange, it was tight...
  4. J

    98 Yukon transfer case fill plug

    It looks like I might not have to deal with it. I had replaced the u joints last week because of a terrible clicking sound and that sound still remains after replacing the joints. I had the rear wheels up in the air to check the brakes and spun the tire and I could still hear the clicking but...
  5. J

    Torsion bar removal from lca

    Hey all, I just want to make sure that I got this procedure down for removing the torsion bars from the lower control arms. It's my understanding that all you have to do is jack it up loosen the torsion bolts all the way and then remove the crossmember and slide it out is that right?could...
  6. J

    Transfer Case Fluid?

    There's a sticker on the bottom. Mine says Dex 3 and I'm auto..
  7. J

    98 Yukon transfer case fill plug

    Hey all, So it's not 3/8 or a quarter and it's not 5/16 pipe plug anybody have another socket size to try because none of those work??
  8. J

    1998 Yukon- Replacing control arms

    How did it go? Have you done it yet? I'm about to- and to be honest, I'm reading how bad of a job it is to get the bushings out with the lower control arms. I might wait until I can get a set of 4wd lowers. Anyone know of where to get em? I can't believe they dont see a LCA set with joints and...
  9. J

    Joints and saddles

    They're in! That was thing I didn't get.. I was fine while putting them into a driveshaft but then with just the caps I was like Wtf?? Thank you a ton!!!
  10. J

    Joints and saddles

    Thanks for the reply! It came with 4.. and when I have the clips on, the caps come off anyway? Maybe I have to press them down a little..
  11. J

    Joints and saddles

    Hey all- Total newb here with ujoints. Don't laugh. Ok, laugh but help me =) So I bought an impact wrench and rented a ball joint press to do both rear driveshaft ujoints on the yukon. Love that truck. Ok, so I pull the driveshaft out- no problem. I got out all the ujoints in record time...
  12. J

    98 Yukon 4wd

    More info.. I replaced the 4wd push buttons and the short to that is gone. There was some damage to the back of the unit somehow. I put it on jack stands and put it in 4hi. It appeared to work, but only the rear wheels spin. So the button stays lit on 4hi but it doesn't actually go into 4wd...
  13. J

    98 Yukon 4wd

    Yup. I was in neutral when attempting the Lo.. s
  14. J

    98 Yukon 4wd

    Hey guys, I had originally posted something in the general forum and this would probably be a better place for it. Plus, I have additional info so Im reposting. I could really use a hand with the 4wd. It's a 98 Yukon with the 4 button 4wd (with the auto-4wd) I'm getting the 4 lights at start...
  15. J

    98 Yukon- No 4wd light

    Ah not so fast! 4WD HI works but not lo. It try, and clicks, but defaults back to 4hi. Progress at least! Anyone know where a next step is?
  16. J

    98 Yukon- No 4wd light

    Lucky. Took off the dash and checked the switch. When I hit the wires the light came on! So I got it to where it stayed on and cycled through 2 and 4 hi. Seems to work. I think the switch is bad and I've ordered a new one. For anyone who stumbles across this, check your connections =) And to...
  17. J

    98 Yukon- No 4wd light

    Hi folks, Currently in the process of restoring the most important feature of the vehicle for me- the 4WD. It failed me during an elk hunt in the winter, and I had to pay for a recovery. Apparently I did something right this year, and got picked for the same hunt. I'm really going to need this...
  18. J

    1998 Yukon- Replacing control arms

    Hi folks, My first attempt. And I'm trying to find decent lower control arms with ball joints and bushings already installed. I'm going with Moog uppers- apparently they don't make lower for 4wd.. Any opinions? Thanks in advance!
  19. J

    98 Yukon- Carpet replacement

    LMC had exactly what I needed. We have a newborn in the house, and soon to be in the truck. A poly mat floor is perfect. Thanks!
  20. J

    98 Yukon- Carpet replacement

    Thanks! I'll check it out! And I could've sworn it was the OBS. My bad.
  21. J

    98 Yukon- Carpet replacement

    Good day all! So, I'm restoring the Yukon to it's former glory. Two things I've never done: Rip up all the carpet and put down a rubber mat. Do they make a 'kit' for our OBS models? Is there something I can buy after I rip up the carpet and just place down? Two: Replace the AC Compressor...
  22. J

    What is this wire?

    Thank you! In Arizona, I guess I can leave it alone =)
  23. J

    What is this wire?

    Hi all, While doing the shocks, I noticed this wire. What is it? 1998 Yukon. Thanks!
  24. J

    1998 Yukon Rear Dif Oil Change

    Hey all, I'm hearing that the Mobile 1 Symthetic 75-90w is ok to put in the rear differential, regardless of whether or not you have a G80. (At this point I don't know if I have one or not) They sell it everywhere- safe enough to use? Thanks!
  25. J

    How to level a yukon-advice please!

    Are Bilstein 5100's long enough for a 2 inch level?

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