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  1. KATfishing

    Traded in '08 Yukon Denali... Thank you for all the great years!

    I wanted to say "thank you" to my Tahoe/Yukon/Escalade family for the past 7 years of discussions. Yesterday, the last day of 2021, we traded our '08 Yukon Denali with 193K in on a '16 RAM 1500 5.7 HEMI crew cab. Loved our Denali, but it was a win-win on the deal. I will continue to monitor and...
  2. KATfishing

    Radiator Hoses - Replace if Visually Fine?

    2008 Yukon Denali, 6.2 L, AWD, 191,000 miles. Vehicle has original radiator/coolant hoses, but no leaks and appear fine with no noticeable soft spots or cracking. Radiator professionally flushed at 5-year marks and conditioners used. Dex-Cool always used. I came across this article about not...
  3. KATfishing

    Intermittent A/C issue related to voltmeter gage change?

    2008 Yukon Denali, 6.2L, 181K miles. Original A/C components and alternator. Newer battery. On hot days my A/C has intermittently quit working while driving. When it happens I always notice the volt gage displaying its lower level as seen in second pic. In first pic (above 14), the AC is...
  4. KATfishing

    TPMS Sensor Relearn -- 3 WERE working, Now all 4 are not...

    2008 Yukon Denali, 176K. I had one weak TPMS sensor, so error light was on and dash showed PSI for only 3 of the 4 tires. I had been planning to replace the sensor on the one tire. Took vehicle to body shop for a deer collision repair. They noticed the one sensor not working and attempted to...
  5. KATfishing

    Ebay Airshocks... Good reviews, any experience with them?

    My 08 Yukon Denali just turned 163K and still has original rear shocks. Amazingly, compressor still works and shocks aren't leaking, but my ride could be more comfortable on bumpy roads. With recent transmission and front diff replacement, I don't have the funds (or justification) to replace...
  6. KATfishing

    Front Differential Replacement (again)...

    2008 Yukon Denali, 6.2L, AWD, 160K. Purchased vehicle at 84K with an extended warranty. Front diff went out at 118K. Warranty company approved replacement with a used diff that had a 12/12 warranty and 75K miles. That differential was inspected and maintained, and under normal driving...
  7. KATfishing

    Cooling fans not running, but no overheating. Normal in cold weather?

    2008 Yukon Denali, 6.2l, 160K. I don't hear my cooling fans running when I go to shut off the vehicle no matter how far of a trip I'm making. It's been cold in Wisconsin, mainly in the teens and 20s. Vehicle doesn't overheat. Temp gauge is right in the middle where it has always been. Heater...
  8. KATfishing

    From smooth to limp mode and P0700 code

    2008 Yukon Denali, 6.2 L, 157K. All fluids maintained. I was feeling so good about the brake job yesterday as I rolled into town with a nice, smooth stop. That's when it happened. I stepped on the gas to leave the stop sign... a surge of power and RPMs with an immediate check engine light and...
  9. KATfishing

    P0328 code after installing new headlight assemblies / car wash

    2008 Yukon Denali, 6.2L, 155K. Changed headlight assemblies last night with aftermarket Eagle Eye replicas to stock. They look beautiful, just like originals, light up great, but after a couple of drives today, following going through a car wash, immediately upon start up the engine light came...
  10. KATfishing

    Worth purchase?... Haynes Repair Manual and/or Factory Service Manual

    2008 Yukon Denali, 147K. I'm not a mechanic/technician, but I do my own brakes, replace belts, etc... and basic work where I can save money and learn something. I thought it might be nice to own a Hayne's Repair Manual (I had one for a car years ago), but then I noticed on eBay that you can also...
  11. KATfishing

    Engine Coolant Flush -- Change Hoses too?

    2008 Yukon Denali with 146K, coolant changed last at 65K, but will be time for a flush again this summer, because of 5 years. Local shop recommends changing upper and lower radiator hoses along with a new cap, due to age. Local lube place says hoses are made to last longer these days... check...
  12. KATfishing

    Tired of leaky/seeping axle seals! Is this going to keep happening?

    2008 Yukon Denali, 143K. Axle seals professionally replaced with OEM parts around 100K. Then again under warranty within about another 15K because they start leaking again. Now, at 143K one side has a leak. I've attached a picture. I've only found a drop or two on the pavement every now and...
  13. KATfishing

    Help! Water Leak in Rear Corner of Ceiling

    Hi All - My 08 Yukon Denali was parked on the street (very slight incline) during the rain and when I opening the lift gate I noticed some water on the cargo mat on passenger side rear. It's wet and dripping in the corner of the ceiling. See pics, first of the wet ceiling corner and second of a...
  14. KATfishing

    Power Steering Fluid Reservoir -- Replace?

    '08 Yukon Denali, 6.2 L, 133K Hi everyone - I recently started a thread about replacing my power steering pressure hose, but I also want to get opinions on this photo which actually shows a rusted return line that is part of/permanently attached to the power steering fluid reservoir tank. The...
  15. KATfishing

    Power Steering Pressure Hose -- How Difficult?

    2008 Yukon Denali 6.2L AWD 132K. Owned my Denali for 3 years starting at 85K and it's driving great after getting it through the 100K and some repairs that I've made and others by my local shop under warranty, which just expired (got my money's worth). One thing they keep mentioning and I keep...
  16. KATfishing

    How long have your OEM air ride shocks lasted?

    '08 Yukon Denali, 130K, still on original air ride shocks and seem to be working fine. I'm beginning to think I'm on borrowed time, but maybe I'm just noticing the posts where at 100K replacement was needed and those don't represent the majority. How long have your air ride shocks lasted?
  17. KATfishing

    Replaced Serpentine and A/C Belts at 126K -- Also replace tensioner?

    08 Yukon Denali 126K. Yesterday, I replaced original serpentine and A/C belts that were squeaking. Went with OEM AC Delco on the serpentine and an upgrade Gates HD (green) on the A/C. Checked tension and idler pulleys and they seemed fine. After new belts were installed, all is quiet. I know my...
  18. KATfishing

    50-60mph... Bit of jolt when accelerating after coasting -- normal?

    Hi - 2008 Yukon Denali 6.2L AWD. Transmission is nice and smooth when accelerating from 0-70mph. However when I am driving at 65 or so and coast or slow down to 50 and step on the gas, I get slight lag followed by a bit of a jolt. It only happens in this range of 50-60 mph. If I'm very light...
  19. KATfishing

    How many miles will we get out of our Yukons / Tahoes?

    My vehicle: 2008 Yukon Denali 6.2L, 118K. Up until now, it has treated me ok since I bought it at 84K miles. I purchased an ASC Deluxe Plan 2 w/Total Care Coverage w/4 years/48K miles (whichever first). I have about 12K miles left of warranty and right now it's in the shop for a new...
  20. KATfishing

    First rust bubble on 08 Yukon... what should I do?

    2008 Yukon Denali, 115K. I dreaded the sight today of a little rust bubble on the passenger rear door corner. Two other smaller bubbles right next to it. See pic. What do you guys recommend? Can I stop it if I do something now? I've never done any body work, so I would be more inclined to take...
  21. KATfishing

    08 Yukon Drive Sequence for Evap Readiness After P0442 Code Clear???

    08 Yukon Denali 6.2 L AWD, 113K. One week ago I replaced my gas cap with a new OE gas cap after receiving a P0442 Evap small leak code. I cleared the code and have driven every day, mix of city and hwy totaling 400 miles so far. I just checked status of monitors and all says "ready" except for...
  22. KATfishing

    WeatherTech CARGO LINER 40306 OR Husky 28251???

    I've searched the archives and read endless Weathertech vs. Husky threads, so my apologies for starting yet another one. I want to be very specific. I have a 2008 Yukon Denali regular wheel base NOT XL. I have Weathertech floor liners for the front driver and passenger locations. I want the best...
  23. KATfishing

    2008 Yukon Denali Exhaust Manifold Heat Shield Breaking Off...

    2008 Yukon Denali 6.2 L AWD - The bolt heads on the rear two exhaust manifold bolts are broken off (one on each side). My local shop is going to install rear corner brackets (again, one on each side) to seal the leak. Other bolt heads are ok for now but I just noticed a rattling noise and...

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