Search results

  1. S

    Coolant overheating 2019 Tahoe - SOLVED

    wild guess.....( I aint no Mechanic but did this once) ......thermostat in backwards??
  2. S

    L87 Glitter party after oil change

    Sorry!....pix for above oil post. Smoking Denali
  3. S

    2018 GMC Yukon Denali question on how to clean my fuel injectors and carburetor

    I used this exact additive. Wow. I felt difference on a 14K, bought new Jeep V-6. Try it!
  4. S

    L87 Glitter party after oil change

    wow! lots of good advice here! Here's what I've learned....the hard way. Pennzoil Ultra EXTENDED oil ( 20K miles!!) made from clean natural gas to almost meet Class 4 Syntec!! It only means that the Additives that clean the engine and fight fuel contamination ( all engines have some!)...
  5. S

    Extended Warranty on 2026 Tahoe LS 4WD 5.3L

    I wish you only the best w your beautiful Truck.........BUT Ive been there! After 2 Dangerous Breakdowns on busy Freeways (44K and 65K) I dumped it! what good is a $3500 SWarranty of ANY KIND when u break down at 2am in a nasty City, with your family ....AFTER barely surviviing a deadly...
  6. S

    Died at 70mph on I-75

    happened to me 5 years ago! 2015 Yukon Denali 6.2L w 45k miles. Common Eng valve/ lifter failure! Failed while crossing major Thruway. I barely escaped alive. GM fixed free under factory Warranty. Ran like new ( that was the Death blow!) Happened again around 75k! Thankfully, I bought a $3K...
  7. S

    End of the road for the ol girl??

    Im so bitter over my Yukons motor bkee 2X ( 40k and 59K ....8-4cyl Typical failures) that I moved to another brand. Almost killed on Highway once is enough for me. But yours Doesn't have the 8-4cyl engine in that year.....so if ya love the truck, and guess at engine work, new brake lines and...
  8. S

    45K Service - this seems excessive

    Run!!! Rip off!! You're due for an engine failure !!! Trade for an Electric or 4 cyl Turbo, GM. So many did fail..... sorry. I loved my Yukon Denali......
  9. S

    6.2 recall question?

    Sell that Truck if you travel more than 20 miles from home or your wife drives w kids! The engine WILL FAIL!! 5K-50K miles. Mine almost killed me at 40K miles....first time! On super highway ! Total, instant engine failure...no power steering or brakes. GM really blew it with their 8-4, V-8...
  10. S

    Laminated vs Tempered Door Glass (Tahoe,Sub,Yukon)

    I had laminated on my 2015 Denali, its same as any MANDATED front windshields. They're very hard to break thru....like a windshield. Yes maybe 20% quieter I found than bade model Yukon. BEWARE! If in an accident ( submersion, fire etc) you won't get OUT thru that window! And no one will...
  11. S

    Transmission Rebuild, Collapsed Lifter Debacle - Opinions Needed

    sorry my friend. it aint the Tranny guys fault. Unless you abused the oil change interval, its THE ENGINE!! You must like the truck to go for the new tranny. if true, fix the engine, drive it another year and trade in for a non Gm V8. you'll get maybe half your $ back.... Or leave it under...
  12. S

    2025/2026 6.2’s now failing.

    lol....2015 Yukon Denali, original owner, religious oil changes, never towed, but did very limited beach roving. 2 engines before 62k. Put me through a Paperwork colonoscopy, for the 3 or 4 non- dealer oil changes. Finally approved Rebuilds, after almost killing me in instant, highway engine...
  13. S

    New purchase 2025 tahoe - warranty question

    Yes!! SAVE EVERY OIL RECEIPT!! IT MATTERS!!! BEST SS
  14. S

    New purchase 2025 tahoe - warranty question

    "Endurance" saved my bacon when 6.2L blew up w48K, then78K. First time GM handled, but then Endurance" handled ( bought at GM Dealer but online too) under their $3000 plan. ( save every oil receipt!) 5 years goes fast! Get a warranty if ya keep it! Can buy after a year also..... I traded...
  15. S

    Should I buy a 2026 Tahoe Z71 with 5.3 Engine?

    don't! major engine probs for most w V8 !! Stay away. Almost got me killed on highway.....
  16. S

    6.2 engine problems

    Run! dont walk! Mine almost killed me once.....stranded me later ,@ 48k, then 80k respectively. Dealer fixed under warranty first time ( took 3 weeks) then under my Extended Warranty ( that I paid $3K for) and I had to show every oil change ......or else! Just $100 Deductable ( Some oils...
  17. S

    Should I buy a 2026 Tahoe Z71 with 5.3 Engine?

    sorry my friend......having my 6.2 L. 2015 Yukon Denali (Tahoe Elevation or Premium) And gotten stranded Twice ( almost killed once!!) I'll never by GM till they straighten out their act! Engine blew up Twice w lifter problems! at 48K and 64K Covered under Waranty first time, and saved my bacon...
  18. S

    Truck stalled while leaving parking lot. What may have caused this?

    wow. original fuel filter??. change it! had similar....
  19. S

    Service Park Assist

    I had similar. Just changing the one sensor resolved mine. My old 2015 Yukon Denali. Dealer did it but I don't think he pulled bumper skin....coukd be wrong.... Best! SD
  20. S

    2026 Yukon - ONLY 1 USB Charger in Front Row!?

    FYI.....I have a 2024 Jeep w charging pad. Phone won't charge ( light on) unless I press down on it firmly (case edges) once it "catches" the field seems to stay engaged. Perhaps to avoid disconnect on bumps?? Re tbe charge ports....What do these fools smoke in the equipment Dept?. Best! SD
  21. S

    What to look for and avoid in buying a used 2015-2020

    My first Reply cut me off about and hour ago..... I loved my Yukon but couldn't stand the worries anymore and everyday I worried about any long trips "outback", where Tow trucks fear to go. I traded in without sinking SEVERAL $$ into a complete elimination of the Dod/ Afm, 4 to 8 cyl...
  22. S

    What to look for and avoid in buying a used 2015-2020

    Im truly sorry but my Yukon Denali 6.2L stranded me TWICE IN FIRST 80K MILES!! ( IM ORG OWNER) The DOD,AFM, and all suck! I changed oil religiously w Syntec. Eng valves, lifters busted while driving!! Almost got me killed. First time 48K and under warranty. Both heads received work. Then again...
  23. S

    What are the risks of letting AFM self destruct?

    Error! It was a 2015 !!! Not 2025!!
  24. S

    What are the risks of letting AFM self destruct?

    FYI......y 2025 Yukon Denali 6.2L, with 48k gave its ALL, as I gunned it, to cross a 3 lane intersection at Rush Hour@ I only made it 10' into oncoming traffic and Limped across the rest, narrowly avoiding a nuts and bolts Hail Storm massage. Dumped my 5th and last...
  25. S

    Garage Door Width

    How do you guys get out of the truck?? Sunroof?

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