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  1. J

    Center Console USB Port Not Working

    One of two USB ports on the center console (between the front seats) no longer works on my 2017 Yukon SE. The same phone and cable connect fine in one USB port but not the other (doesn't charge the phone and isn't recognized by the system). How do I find the part number for the dual USB port...
  2. J

    2017 Yukon Ignition Failure

    I have an intermittent ignition problem. I turn the key to Start and the dashboard lights go out (except the check engine light) but the starter doesn't turn over, just dead silence (including the radio). It's NOT a battery issue; when it does finally start it turns over normally. The first...
  3. J

    Oil Filter- PH2 vs PH10575

    I see there are multiple filters that claim to fit my 2017 Yukon, PH2 and PH10575. Are they truly interchangeable and if so why does the manufacturer have 2 models? Seems there must be some difference, no?
  4. J

    Climate Control System Temporarily Unresponsive

    Was towing with my 2017 Yukon SLE when the climate control system went unresponsive. Blower stopped working and Auto, Sync, Power, A/C, etc buttons where not lit and did nothing when pressed. I was towing up a long, 3 mile slope at 65 mph under moderately high stress (3000 rpm), engine...
  5. J

    Rear Wiper Intermittent Failure

    The rear wiper on my 2017 Yukon fails intermittently. Some days it will work and other days it won't. The dealer has replaced the rear wiper motor twice, most recently a year ago, but it still intermittently fails to work. Is there a known issue with the rear wiper motor/cables/switch on 2017...
  6. J

    Transmission Fluid Replacement Needed?

    I just returned from towing 5K pound trailer cross country and back (10K miles) including high peaks in the Rockies. I added an after market transmission cooler before leaving which seemed to work well; transmission temps sat around 195F for hours on end, never exceeding 199F even on long...
  7. J

    5.3L Sustained RPM Towing Up Steep Grade

    I see from the literature that the 5.3L engine produces max torque at 4100 RPM. Does that mean I can safely (in terms of engine durability) tow up long grades (Rockies) at 4100 RPM? Can I run 4100 RPM for 30 mins at a time in whatever gear is needed to keep my transmission temp around 200...
  8. J

    Engine/Transmission Temperatures While Towing Up Grade

    I'm taking my 2017 Yukon cross country and through the Rocky Mountains towing 3600 pound camper. I installed an external transmission cooler and understand that normal operating temperature is 200 with 10 min peaks of 225 up a long hill being acceptable. Normal engine operating temperature is...
  9. J

    How Do I Test Close the Active Grill Shutter

    I had a transmission cooler installed and the mounting bracket they added looks like it might interfere with the closing of the active grill shutters which, being summer, are currently open. How can I test close the shutters without waiting until winter? I assume there is a temperature sensor...
  10. J

    Mud Flap Recommendations for 2017 Yukon SLE

    Any recommendations for mud flaps for 2017 Yukon SLE with fixed running boards? Specific models would be great but even places to look would be beneficial. Starting from ignorance LOL
  11. J

    2017 Yukon SLE Transmission Oil Line Size

    Can anyone tell me definitively what size (diameter) the transmission lines are for a 2017 Yukon SLE? I have no way to measure them and need to make sure the cooler I plan to buy will have sufficient fluid flow. Thanks.
  12. J

    Auto Temperature Control

    I have a 2017 Yukon. When I turn on auto temperature control the A/C light comes on. It's 35F outside, is the A/C compressor really engaged? If I manually turn off the A/C am I still in auto control mode?
  13. J

    5.3L Target RPM During Climbing and Grade Braking

    What is a reasonable transient (10 sec) and sustained (10 min) RPM for Yukon 5.3L engine during heavy grade ascending/descending towing? I'll be towing through the Rockies with (reportedly) up to 10 mile 6-8% grades and want to be sure I don't over stress the engine/transmission. Thanks.
  14. J

    Grading Towing

    I have a 2017 Yukon SLE with 6400 lb towing capacity and tow a 19' camper with GVWR 3626 lb using a weight distribution hitch with integral anti sway (Equal-i-zer). I'll be taking this combination across the country (and back) including through the Rockies from Yellowstone to Flagstaff to Santa...
  15. J

    Trailer Battery Charging

    Can anyone tell me definitively if the 2017 Yukon SLE with standard towing package charges the trailer battery through the 7-pin connection and if so what, if anything, I need to do to enable it? Thanks.
  16. J

    Transmission Temp Expections

    What transmission temperature should I expect under normal driving conditions and also while towing? I'll be towing a 4K pound camper across country and through the Rockies and will keep an eye out on the transmission temp but I have no idea what temp is OK/expected and what is a red flag. Thanks.
  17. J

    Manual Down Shifting While Towing Down Steep Grades

    General mountain towing guidance needed here. I'll be taking my 2017 Yukon into the Rockies towing 5K lbs. My understanding is that I should manually downshift on steep down grades to let engine braking help maintain speed control. My questions are: * How high do I let the engine RPM get to...
  18. J

    Not Seeing Any Substantial Value To Using Tow/Haul Mode

    I just returned from our maiden trip with our spanking new 2017 Yukon SLE - a 2K mile trip through northern New England, southern Canada towing 5K lbs through maybe 3K foot elevation. I tried tow/haul mode on/off at 100 mile increments and found little difference in performance between on/off...
  19. J

    2 Wheel Drive vs 4 Wheel Drive vs Auto

    I have a 2017 Yukon. Under what conditions should I drive in 2 Wheel mode vs Auto? Does Auto cause more wear and tear than 2 Wheel? What about when towing 4K lbs in the rain?
  20. J

    How Much Hitch Sag Before Weight Distribution System Needed?

    How much rear end sag is acceptable before a weight distribution hitch is needed? My trailer has 410 lb tongue weight and when connected the back end sags 1.5 inches and the front end 0.5 inches. Is this too much?
  21. J

    2017 Yukon Hitch Height

    I've got a 2017 Yukon SLE on order and want to get my hitch drop down on order as well. Can anyone give me the hitch height from the top inside of the 2 inch tube to the ground? Any Yukon/Tahoe 2015, 2016, 2017 should do. Thanks.
  22. J

    Brake Controller Cable for 2017 Yukon SLE

    Does anybody know what brake controller cable is needed for 2017 Yukon SLE? Any idea if it is the same cable for 2010 Enclave (which I already have)? Thanks.

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