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  1. skpyle

    6L80 Sonnax ZIP Kit, Pressure Switch rebuild, remote filter install, and fluid flush in 2013 Escalade ESV (Pic heavy)

    I have worked on the valve bodies on a number of GM, Ford, and Mercedes automatic transmissions, but I would not say I am comfortable with it. So, I put parts removed from each step in a ziplock bag, then marked the bag with the step number, matching figure number, and the sizes of the heads of...
  2. skpyle

    6L80 Sonnax ZIP Kit, Pressure Switch rebuild, remote filter install, and fluid flush in 2013 Escalade ESV (Pic heavy)

    You are quite welcome!!! When I mentioned I was putting in the Sonnax parts, you requested I document it. So, I am doing so. Stay tuned...
  3. skpyle

    6L80 Sonnax ZIP Kit, Pressure Switch rebuild, remote filter install, and fluid flush in 2013 Escalade ESV (Pic heavy)

    I am going to bed now. This thread will take me a few days to complete, as there are many more photos and details I need to post.
  4. skpyle

    6L80 Sonnax ZIP Kit, Pressure Switch rebuild, remote filter install, and fluid flush in 2013 Escalade ESV (Pic heavy)

    Another note: The Sonnax ZIP kit instructions were good overall, but I felt they were lacking in the individual items done. Thinking about it, the ZIP kit is a collection of shift improvement and fluid correction items all grouped into one kit. So, I searched Sonnax's website and found all the...
  5. skpyle

    6L80 Sonnax ZIP Kit, Pressure Switch rebuild, remote filter install, and fluid flush in 2013 Escalade ESV (Pic heavy)

    Let me pause the photos for some information: I bought all the Sonnax parts off ebay. I thought I would not have time to wait for Rock Auto, and couldn't find the pressure switch rebuild kit on Amazon. Turns out, Sonnax, no longer lists the pressure switch rebuild kit 124740-30K. They do still...
  6. skpyle

    6L80 Sonnax ZIP Kit, Pressure Switch rebuild, remote filter install, and fluid flush in 2013 Escalade ESV (Pic heavy)

    Upper valve body half with the separator plate still attached. Upper valve body half showing the 7 check balls.
  7. skpyle

    6L80 Sonnax ZIP Kit, Pressure Switch rebuild, remote filter install, and fluid flush in 2013 Escalade ESV (Pic heavy)

    There is a gotcha waiting for the unprepared. Both the service manual, and the Sonnax ZIP kit instructions state the six bolts that secure the valve body to the transmission case have an EP10 Torx Plus head. The service manual calls for this: DT-48285 - Valve Body Torx Plus Socket. I cross...
  8. skpyle

    6L80 Sonnax ZIP Kit, Pressure Switch rebuild, remote filter install, and fluid flush in 2013 Escalade ESV (Pic heavy)

    Sucking fluid out of the transmission pan via the dipstick tube. Fluid was dark red. But not brown. Or black. Or chunky. I was very relieved to find the pan clean. There was only a film of material on the bottom, and not alot of sludge on the magnet. The reusable gasket was fine, as well...
  9. skpyle

    6L80 Sonnax ZIP Kit, Pressure Switch rebuild, remote filter install, and fluid flush in 2013 Escalade ESV (Pic heavy)

    I unbolted the U-joint, pulled the shaft back to compress the rear joint, and then moved the shaft towards the engine to get more clearance. (Ignore the dripping oil filter. The selling dealership screwed up installing the oil filter. I fixed that after this work.) Clearance at the driver's...
  10. skpyle

    6L80 Sonnax ZIP Kit, Pressure Switch rebuild, remote filter install, and fluid flush in 2013 Escalade ESV (Pic heavy)

    Hello Gentlemen, Over the past few days, I have completed the following work to the 6L80 transmission in my 2013 Escalade ESV: -rebuilt the TECHM pressure switches using Sonnax parts -installed most of the Sonnax ZIP kit in the valve body -replaced the filter -installed a new pan with a drain...
  11. skpyle

    2013 Escalade ESV P0131 and P0171

    True enough. However...I thought it would be a warranty issue. I accept blame for this one. Besides, I got my just comupance for this at the transmission shop yesterday.
  12. skpyle

    2013 Escalade ESV P0131 and P0171

    Alright, this issue has been resolved. This weekend, my wife’s aunt (I’ll explain who she is and why she matters in my general discussion thread) contacted the service manager for the nearest Hendrick Cadillac dealership, in Monroe NC. She got him to squeeze me in for Monday, October 18th, as...
  13. skpyle

    2013 Escalade ESV AWD front differential left side axle bearing...loose?

    Soooo...what the crap? While doing the transmission work today, I figured I would check out that axle output flange again. It is tight. There is NO play. No side to side. No in and out. Nothing. I don't know what that dealership technician did...
  14. skpyle

    2013 Escalade ESV AWD front differential left side axle bearing...loose?

    Aw sh*t... I have read through the service manual, looks like the front differential has to come out to replace the bearing. Grrrr...
  15. skpyle

    2013 Escalade ESV AWD front differential left side axle bearing...loose?

    Monday was a debacle at a dealer service department dealing with the check engine light. However...one good thing is I asked them to look at this axle flange. The tech said that kind of play was normal for this front drive axle. Good enough for me. I am in the middle of transmission work now. I...
  16. skpyle

    2013 Escalade ESV P0131 and P0171

    Makes sense, thanks!
  17. skpyle

    2013 Escalade ESV P0131 and P0171

  18. skpyle

    2013 Escalade ESV P0131 and P0171

    Good point. Depends upon the day. The longer I’ve been out, the better it was… Tico class, though trained on the Spru-cans.
  19. skpyle

    2013 Escalade ESV P0131 and P0171

    While driving steady state on the highway to work, I was able to sneak peaks at the scanner. O2S11 varied from 0.000 to 0.750V O2S12 was steady from 0.735 to 0.740V This tells me that bank 1 primary O2 sensor is going flaky. It will be replaced.
  20. skpyle

    2013 Escalade ESV P0131 and P0171

    Oh yeah. LM2500's for main propulsion, and Allison 501K-17's for power generation.
  21. skpyle

    2013 Escalade ESV P0131 and P0171

    That makes sense, and dovetails with what I was wondering. I have modified my plan slightly, I am going to connect the scanner and (safely) watch the HO2S bank 1 sensor voltage as I drive to work tonight. I have two new sensors, So I am just going to replace them. I will check the voltage and...
  22. skpyle

    2013 Escalade ESV P0131 and P0171

    Hello Gentlemen, Well, the honeymoon is over with my 2013 Escalade ESV Premium. Last night, the check engine light came on. This morning, coming out of work, the remote start didn't work. :( Once home, I dug out my neanderthal scanners and pulled codes. I have the following DTC's stored: P0131...
  23. skpyle

    New guy with a 2013 Escalade ESV Premium AWD

    I have a new ACDelco ACK060935HD Belt Drive Component Kit consisting of: -tensioner and roller -idler roller -serpentine belt -AC compressor belt. This kit is in the large box of parts I have for my Escalade. However, at this moment, both belts look very good, with no cracking or delamination...
  24. skpyle

    New guy with a 2013 Escalade ESV Premium AWD

    I will gladly do so!!! Stay tuned next week. My intended timeline will be: Monday morning: get home from work in the morning, put the Escalade up on four ramps, let it cool some. Spray AeroKroil on the down pipe nuts again before I go to bed. Monday evening: drop the down pipe from the...
  25. skpyle

    New guy with a 2013 Escalade ESV Premium AWD

    Thank you! That is my intent. I plan on driving this rig for 10 years, and keeping up with maintenance is my 'thing.' I will let you know how it turns out. My intent for the Sonnax kit is longevity and reliability of the transmission. That and the Black Bear tune.

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