Search results

  1. sctrl

    Transmission clunck shifting into drive

    It’s 2x4, no front differential. Maybe transmission mount? But I don’t see it moving much.
  2. sctrl

    Transmission clunck shifting into drive

    I replaced them with H3 mounts a year ago. Maybe I messed something up, will recheck bolt torques. But does it explain that clunking going away when drivetrain is warmed up?
  3. sctrl

    Transmission clunck shifting into drive

    Hi all. Recently I started noticing a loud metal clunk when shifting into D or R from Park on cold. I recorded a video of this. Also, there’s a long delay between shifts when cold. The video shows shifting from P to R to D to R to D and to P again. When tranny is warm, shifts are faster and...
  4. sctrl

    Lean condition codes P0171 P0174 how to troubleshoot

    Hi all, Got lean codes recently, several times. No other codes. I did notice real-time random misfires on various cylinders, no codes though. I’m guessing it might be vacuum leak. But I also noticed low fuel pressure on the freeze frame. Can you guys check attached freeze frame data to confirm...
  5. sctrl

    Side mirror replacement or fix

    Hmm in that case I could just take the folding motor from the knock off and use it in the original mirror.
  6. sctrl

    Side mirror replacement or fix

    Just got replacement mirror assembly from eBay for $91. Installed it, works good, the only problem is blinker is not bright enough. So I’m gonna swap just the mirror glass from the original...
  7. sctrl

    Side mirror replacement or fix

    I have a common issue with my passenger side mirror, it stopped folding. Did a quick search here and found many people recommending Gruven Parts motor and gear replacements. For $65 I can get replacement parts. Unfortunately, I don't have the vice or the grinder, it might not be doable for me...
  8. sctrl

    Clunk sounds when shifting into reverse or drive

    Thanks guys. That’s a lot of work. I’ll replace the seal and check u-joints. But replacing those suckers is out of my league. I don’t even own a vice or a garage. Have to find a good mechanic.
  9. sctrl

    Vibrations maybe bad motor mounts

    So finally bought the app and ran the live monitor while driving. No misfires while idling. But noticed occasional misfire while driving, always two at a time, just random cylinders, 2, then 1, then 8, then 4. I drove for 15 min maybe. Is this normal?
  10. sctrl

    Clunk sounds when shifting into reverse or drive

    So once in a while, I hear a clunk when shifting from P to R to D. Usually happens first time after cold start. And the shift into gear is slow. Not sure where clunck sound coming from. I recently changed motor mounts but it had no effect on this. Did not change tranny mount yet, it seems solid...
  11. sctrl

    Vibrations maybe bad motor mounts

    This message goes out to y’all who answered my questions and helped first time Yukon owner. I finally finished motor mounts swap. Let me tell you, it was a pain, especially passenger side. I don’t know how many extension combos I used to ge those bolts, but in the end it all worked out. Great...
  12. sctrl

    Vibrations maybe bad motor mounts

    Feel like complete noob. Was gonna do driver side motor mount myself. Took out all bolts. What a pain the ass. Tried to lift the engine using jack and block of wood under the oil pan. But it seems like the engine is lifting with the car. I don’t get it. I probably pushed it up couple of inches...
  13. sctrl

    Vibrations maybe bad motor mounts

    Got H3 mounts. Gonna install this week if I have time. It’s RWD so gonna attempt to DIY. Which app are you using?
  14. sctrl

    Vibrations maybe bad motor mounts

    I’m using OBDLink app and I couldn’t find Live Data or anything about misfires except in the emission test section where it has a check mark next to misfires. I did ran the real time monitor and at idle RPM fluctuates between 600 and 670, saw 700 once. Is that ok? I can feel vibrations through...
  15. sctrl

    Vibrations maybe bad motor mounts

    Sorry for the confusion. The link I posted was actually for the engine mount. I thought it was a tranny mount since it said in the description "RWD; 6 speed Automatic trans." So everything is good, the tranny mount is the same on 4 speed and 6 speed, $20. Thanks for your help, much appreciated.
  16. sctrl

    Vibrations maybe bad motor mounts

    Thanks @PNW VietVet and @donjetman Getting two of these H3 mounts https://www.rockauto.com/en/moreinfo.php?pk=6437988&cc=1441263&pt=5552 I think I need the mount for 6 speed trans since it's 6.2L, but it's $88 vs $20. Will the cheaper one from 4 speed fit 6 speed...
  17. sctrl

    Vibrations maybe bad motor mounts

    Wow so your thread. Lots of work! Basically time for me to replace both. Thanks.
  18. sctrl

    Vibrations maybe bad motor mounts

    I have OBDLink MX+. No fault codes. Are you talking about real-time monitors?
  19. sctrl

    Vibrations maybe bad motor mounts

    Finally did the test in gear. Video below. I can see engine move to the side, but not sure if it's normal. First in D then in R.
  20. sctrl

    Vibrations maybe bad motor mounts

    I don't know, a couple of posts at the end also mentioned cleaning the TB. So I'll look at it first. And using Sea Foam intake cleaner and Marvel Mystery oil cleaners.
  21. sctrl

    Vibrations maybe bad motor mounts

    I think my rough idle symptoms match what described in this thread: https://www.tahoeyukonforum.com/threads/rough-idling-07-yukon-denali.5729/
  22. sctrl

    Vibrations maybe bad motor mounts

    I gotta do this test you guys suggested with revving in gear. Meanwhile here are pics of motor mounts. Passenger side mount Driver side mount
  23. sctrl

    Vibrations maybe bad motor mounts

    I revved it in P, and then changed gears while idling. There are no codes.
  24. sctrl

    Vibrations maybe bad motor mounts

    Hey everyone. Got a 08 Denali few weeks ago. Love it so far! I've been noticing vibrations while sitting on the red light. They are coming through the brake pedal I can feel them in my foot, almost like rough idle, but RPMs are solid. Also going past 50s I can see vibrations in the dash. Like...
  25. sctrl

    Tech 2 Purchase

    Sounds like MX OBDLink and BlueDriver have full diagnostics capabilities. So it's just a matter of preference. Although BlueDriver claims they provide suggested fixes. @Sparksalot you have one, what do you think about their claims:

Forum statistics

Threads
129,968
Posts
1,824,115
Members
93,374
Latest member
melsayed

Latest posts

Top