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ForumUser

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Everything posted by ForumUser

  1. ForumUser
    How about longevity - remember those four cylinders are working harder - unless the internal are superior in some way, it would seem loafing along with a V-6 without the complexity of the turbocharger and associated cooling challenges would be at least as good. My sense is that while some discuss the MPG being better on I-4s, the V-6s seem to do better, there, too. OEMs have been moving to smaller engines with turbochargers - less weight, less cost (to the OEM), sure ... but, not sure it answers the "average person's" needs as well.
  2. ForumUser
    newdude, Delve a bit deeper, for me - why would the 2.7 four cylinder (even with a turbo - 310 HP/390 ftlbs - admittedly more torque) be better (especially in this case in the flatlands) than the LGZ 3.6 - both have out same tow rating? Thanks!
  3. ForumUser
    Hi All, Son has a 2019 Colorado LT with 4WD, cloth - and, only 40,000 miles. He is considering trade/sell for 2024 Colorado - same basic equipment. I really like the engine/transmission combo and how his truck drives, tows, and the great reliability. Should we be concerned about the change from V-6 to I-4 (with Turbo) - yeah, I know the power numbers, but the difference is more than just power ... btw, in Florida, so the offset from turbo at altitude in places like Colorado is not a factor. What would you folks do?
  4. ForumUser
    Off the topic, but I have another vehicle of two, both with tow systems that I use with a trailer ... have never borrowed anyone's pickup.
  5. ForumUser
    Hi All, So, I have a 2017 Silverado High Country with 6.2 engine. Had bought it initially to occasionally and only locally tow my 6000# boat, but ended up using it for trips with family - 46,000 miles. White, brown interior with piping a la the usual High Country thing. Was checking, just for grins, on Facebook marketplace ... CRAZY numbers folks are asking - like in the low 50s ... I don't want a new truck, but is this just a time to take advantage of the used market? Anyone gone through this thought process recently? Thanks!
  6. ForumUser
    Hi All, Not sure this is the right place to post a question on truck value? Don't have much other than usual NADA like materials to go on - anyone have reasonable idea what my 2017 4X4 High Country Silverado with 6.2L and 45,000 miles (new Michelins, four panel bed cover) would sell for to a non-dealer buyer? No accidents, nearly perfect condition. Market seems pretty tight so seemed like might be a good time to sell? North Florida. Thanks!
  7. ForumUser
    Hi All, Not sure this is the right place to post a question on truck value? Don't have much other than usual NADA like materials to go on - anyone have reasonable idea what my 2017 4X4 High Country Silverado with 6.2L and 45,000 miles (brand new Michelins, four panel bed cover) would sell for to a non-dealer buyer? No accidents, nearly perfect condition. North Florida.
  8. ForumUser
    So, I read dozens of the pages on this thread - didn't find my question discussed ? 2017 Silverado High Country with 6.2L - I would like to "tighten" up the handling without raising, lowering, etc ... don't mind a bit harder ride, but really hate it when this things starts hanging in corners like on sharp interstate exits ... I put Bilstein HDs on an older Ford SportTrac and it was an amazing difference ... Thanks!
  9. ForumUser
    Congrats - is the transmission running the new fluid - there was an issue dating back a couple of years.
  10. ForumUser
    TwoBall - I understand what happened in your circumstance. Another poster had noted his brake pedal got hard when he pumped it at a traffic light ... different circumstance.
  11. ForumUser
    Someone noted that when they sit at a stop light and pump the brake pedal it gets really hard ... uh, isn't it supposed to do this? Just took mine in yesterday ... reprogramming took a couple of minutes. The recall apparently also includes an additional 12,000 miles on the pump warranty.
  12. ForumUser
    AFM, IMO, is not the problem with the transmission - we know it is the fluid. Now, disconnecting the AFM and losing warranty coverage if it is trackable change - may make it smoother ... but ya lose several MPG in doing this, right? My 2017 (I've posted several times in this thread) is no longer shuddering. Just completed several thousand mile round trip from north Florida to Aspen, Colorado. No shuddering, great MPG (28-29 easing down long 65 mph grade on two lanes in southern Colorado) .. average close to 24 MPG for the entire trip. Smooth, comfortable calm driving at 80-85 with AFM engagement not even perceptible unless you are trying to hear it and watching the instruments. Still has that weird 2-1, 2-1 clunk under partial throttle, though.
  13. ForumUser
    Fluid change in my 2017 6.2 with 8 speed still doing well ... about 3k on it since change with zero issues.
  14. ForumUser
    TX, Copy - however, from my limited reading the issues sound a bit different ... 6 speeds appear to clunk badly and not shift smoothly, whereas the 8 speeds are much more likely to shudder and rattle AND clunk badly on down and upshifts at certain points ... Perhaps the new fluid will help the 6 speeds as well? I am still amazed this sort of thing can even happen - given the development costs and opportunities to beat the shxx out of them during testing ... "Life is a beta test ..."
  15. ForumUser
    Gah - sorry - Chris and TX! Mixed up names and topics ... Chris, comment re shudder was meant for Eric with the 2018 6.2 and 8 speed. TX - comment re MAF was meant for Chris ... been thinking more about the MAF and oil contamination ... could be the problem, but not clear. 6 speeds were not known for the shudder issue prevalent in the 8 speeds, were they?
  16. ForumUser
    chrispassas - tell them you will take it back to them every single time it shudders - and, then do it ... force them to go for a drive WITH you and record the RPM gauge ... they are slowing rolling you. The fluid change in mine appears to have completely fixed the problem. TXgreek - could possibly be oil on MAF - they are incredibly sensitive ... not trying to start another war, but my understanding is that air filter mods result in performance improvement in a VERY small range - like at the max HP. Never made sense to spend the bucks to do it to me.
  17. ForumUser
    Sorry about typos ... should say, "A few hundred miles after the fluid swap ..." Anything to report from those of you who did the fluid swap?
  18. ForumUser
    A few NMD red miles after the fluid swap .... Upshifts from stopped feel a bit more prounounced when first starting out ... less so after awhile (thinning fluid as trans fluid temp rises?) As I brake approaching stoplights, I keep waiting for the big CLUNK I used to get - between second and first? Kinda feels like I wants to clunk but doesn’t. No shudder of any kind at any speed ...
  19. ForumUser
    Mine is no longer shuddering ...feels right. Only an occasional downshift in traffic approaching traffic light that is not as smooth as previous transmissions.
  20. ForumUser
    Big man, The fluid looks to be pretty widely available - https://www.thelubricantstore.com/mobil-1-synthetic-lv-atf-hp-case-6-quarts?gclid=EAIaIQobChMImIeL5YyO4AIV6iCtBh0DngmtEAQYASABEgL7SvD_BwE Your dealer should have access to it now. i would not add anything that would void the warranty.
  21. ForumUser
    Put about 240 miles on the new fluid today .... noticeably less clunk upshifting from 1-2 under light throttle, and downshifting while easing up to traffic lights. Rock solid rpm while cruising at 1200-1500 rpm ... no waver, no rumble strip feel and no weirdness as it upshifted with light throttle at higher speeds ... smooth downshifts while slowing from higher speeds. Need more time, but seems much, much improved.
  22. ForumUser
    brrrr ... that is a cold night .... been reading on it ... pretty common to stay way lower temp since temp isn’t controlled like on the engine and there is no combustion sou CS driving it. As a BTW, both service reps at my dealer said they read in their GM info sheet that the shudder was more common in hot climates. I don’t have any data at all on this point.
  23. ForumUser
    Here’s the new stuff ...https://www.mobil.com/English-US/Passenger-Vehicle-Lube/pds/GLXXMobil-1-Sythetic-LV-ATF-HP?p=1
  24. ForumUser
    pddug, Transmission fluid would heat up pretty quickly - 88F is really cool - not even skin temperature ... you sure?
  25. ForumUser
    I may be duplicating my post - but, I can't find the post I saved so will do this again ... They flushed and swapped fluids per the procedure shown on the attached photo ... On 10 mile drive home seemed like a normal transmission ... no shuddering, no jerking ... didn't even clunk at intersections while slowing for the light. Will see ...
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