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  1. Apach 031

    Think I need front diff work

    As a follow up...it was the driver's side front diff mount. Should have posted this earlier, but I got caught up dealing with some electrical problems (see my other post, lol) .The rubber bushings were so worn, I could turn them by hand. It was allowing the axle to wrap up, and making it look...
  2. Apach 031

    Multiple codes, ground issues, ECM, BCM, SOLVED!

    Hey folks. A quick update. After about 2 months of trouble free driving, the symptoms returned about 3 weeks ago. This time far worse. The system would go into limp home mode anytime the temperature outside was above around 50 degrees. Resetting the battery didn't help, the symptoms would return...
  3. Apach 031

    Think I need front diff work

    Quick update. Crawled under and checked the torque on all of the diff mounts bolts last night. Everything is still tight. The rubber bushings still look intact on the insulated mounts. I'll have to get it on jacks with a pry bar this weekend and have a better look. Lol, you busted me on the...
  4. Apach 031

    Think I need front diff work

    Hey, you're right! It's actually back and forth, because the camera is lying on the ground looking up. But ya, the whole diff seems to be sliding back and forth, especially in the right side. I was so busy looking at the excess rotation, I missed the diff movement. And those mounts don't have...
  5. Apach 031

    Think I need front diff work

    That was easier than I thought. Here it is:
  6. Apach 031

    Think I need front diff work

    Good idea. I'll give it a try tonight.
  7. Apach 031

    Think I need front diff work

    Hey folks. I've been investigating a newish clunk coming from the front end. 08 Denali 6 2 AWD. It's not the engine or diff mounts, already replaced those last year getting rid of the last clunk. It makes a big clunk when going into gear, or when I decelerate and then jump back on the...
  8. Apach 031

    2011 Tahoe 4x4 oil pan replacement question

    +1 on the helicoil. Unless you have access to a hoist, dropping the pan on a 4wd/AWD is a pain. I did it last year, as I recall it was 2 very long afternoons underneath. Drop the diff, crossmember, steering rack, and a few things I can't remember. If I recall, I had to loosen the driver's side...
  9. Apach 031

    Multiple codes, ground issues, ECM, BCM, SOLVED!

    Sorry for the late reply, Bobby. I'm on vacation right now, so I can't take any photos. But if you are under the rig, it's on the passenger side of the trans. It comes from the driver's side at the front, comes up over top of the transmission, and loops around and facing forwards before entering...
  10. Apach 031

    Multiple codes, ground issues, ECM, BCM, SOLVED!

    Hey everyone. 2008 Yukon Denali, 6.2 AWD. I have seen a ton of posts on this topic, but rarely have seen anyone post a follow up with the resolution. So here is what worked for me. The issue I was having is as follows: after startup, vehicle would run fine for between 5 and 10 minutes. Once the...
  11. Apach 031

    I suspect BCM... thoughts?

    Can I just say, I've been watching this thread, and nice job everyone. Ive got a similar random issue that acts up every few weeks. Seeing you guys report your diagnostic process, and especially reporting back on what works and what doesn't, is just so refreshing. Too many threads for mystery...
  12. Apach 031

    (Another) HVAC actuator post

    Thanks for the response, swathdiver. I actually got it sorted out. I kept pulling the 10 amp fuse everytime I changed out a component, so I was confident it was good. When I replaced the recirc actuator (final part), I forgot to pull the fuse. I must have accidentally shorted the harness while...
  13. Apach 031

    (Another) HVAC actuator post

    Sorry, I guess I should have mentioned. 08 Denali, auto climate. Using a vcx for diagnosis.
  14. Apach 031

    (Another) HVAC actuator post

    Hey folks. Another HVAC post. I haven't seen this exact same issue discussed before. As the weather warmed up this spring, I noticed my AC light was blinking, and wouldn't engage. Further investigation revealed I couldn't changed the mode at all. Stuck on heated defrost. So far, I have changed...
  15. Apach 031

    Anybody put Duratracs on their Denali?

    I've had many sets of duratracs over the years (probably 7 or 8). Both in P-metric and LT versions. Here's my observations: I believe the duratrac was originally intended as a fleet, long-life, severe use tire. They perform well for people in industries like the oil field, logging, etc. Alot of...
  16. Apach 031

    2008 Tahoe Z71 Steering "drift"

    I just read your other post about a clunk in the rear end. I spent the better part of a year searching for the source of my intermittent wander, and rebuilt the entire front end in the process (08 Yukon). Didn't cure it. In the end, I decided to pause, and focus on my rear end clunk. I was...
  17. Apach 031

    11' Denali - DOD survivor, but now transmission shot?!?!

    I know it's not completely the same, but I had a 2017 Sierra with almost identical issues. It was only a year old at the time, and about 25000 miles. The infamous 8l90e. Luckily, I had the extended warranty. Took the dealer 2 weeks to figure out it was a 12 dollar part (mode selector...
  18. Apach 031

    Tips/Advice from anyone that has replaced control arms?

    Yup. That's the video I watched. Just realized why I was caught by surprise...it's a 2wd! Lol. Don't know why I didn't spot it the first time. Anyway, thanks for the quick info, 89suburban! Worked like a charm.
  19. Apach 031

    Tips/Advice from anyone that has replaced control arms?

    Hey guys. I'm in the middle of doing the lca's in my 08 Yukon Denali right now. It's got the aluminum lower control arms. I've broke the ball joint loose, but I can't seem to get the lower ball joint out of the knuckle, because the axle assembly is blocking it. Does that sound right? The few...

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