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  1. ny_summit

    Low/hi beam (4 hi)

    Hey everyone I have an 07 yukon xl denali. The oem headlights uses a single bulb for low/hi. I have some aftermarket headlights that use separate bulbs for the low/highs. Does anyone know how I can keep the low and highs on at the same time? I previously owned an nbs yukon and remember using...
  2. ny_summit

    07 denali headlight fluctuations.

    My car charger shows the voltage. It seems when voltage drops the led bulb is getting brighter which is weird. When the truck is running its at its usual 14ish volts. Once I shut it off its around 12.xx volts. Also when hitting the window switches the volts drop for a second till the...
  3. ny_summit

    07 denali headlight fluctuations.

    I recently installed some aftermarket headlights with LED bulbs I purchased. I realized today when ever I pressed anything that uses electric the bulbs will get brighter for a second. For example closing a window. Then when I shut the vehicle off the lights got much brighter and stayed brighter...
  4. ny_summit

    2007 yukon denali front bumper fitment/ gap issue.

    Hey everyone I have a 2007 yukon xl denali that I purchased just about a year ago. I installed some aftermarket headlights yesterday and it made me realize I have a decent size gap under the headlight and between the bumper. Also catching my attention was the gap between my hood and bumper. I...
  5. ny_summit

    Oil pressure question

    I have a 2007 yukon xl denali. Non afm. I currently have 89k miles. On a cold start with fresh oil and filter I have just under 60 psi I'd say around 55psi once everything is warmed up the pressure is under 20 psi around 10-15 psi. Cruising at lower speed it'll be just under 40 psi highway speed...
  6. ny_summit

    07 denali engine oil pan gasket

    Thank you I ended up ordering this before seeing your reply but it looks similar. Appreciate the info I'll just snug the bolts down a bit and check for leaks over time.
  7. ny_summit

    07 denali engine oil pan gasket

    So I took a look under. It's hard to see exactly what's going on because I have an oily undercoating on my denali. But I can see for sure the oil cooler block off is leaking. Do I need to drain the oil before swapping it out? I'll start with the block off plate since I can see for sure that's...
  8. ny_summit

    07 denali engine oil pan gasket

    Hey everyone, I just changed my oil today and realized I have a leak somewhere. Seems to be the oil pan gasket. I know how much work is involved to take the pan out being an AWD so I'll most likely have a shop do it. Since I'll have the pan out I'll have the shop do the pick up tube o ring as...
  9. ny_summit

    Transmission shift solenoid?

    Will do. Thank you! Is this the product? Also it says to add 1oz per quart of trans fluid. These hold about 12 quarts total correct?
  10. ny_summit

    Transmission shift solenoid?

    Recently picked up an 07 denali with 86k miles. Now has 87k. Recently made a post about changing all fluids which I will be soon. When cruising then giving about moderate throttle to down shift and accelerate it seems to down shift slow, hesitate then seems to "bang" into gear. Doesn't happen...
  11. ny_summit

    Tahoe LT low oil pressure?

    Do you need to add more oil when using a larger filter?
  12. ny_summit

    Maintenance fluid and filter questions.

    Can I change the front diff fluid and t-case while the front of the vehicle is on ramps or should it be level as possible?
  13. ny_summit

    Maintenance fluid and filter questions.

    Thank you for the links, I have everything ordered. Just waiting for it all to arrive. That trans pan with a drain plug is something I'd definitely look into. Appreciate the help
  14. ny_summit

    Captain to bench seats, (trade)

    Anyone near NY/NJ interested in trading my 2nd row captain seats for a bench seat? 2007 yukon xl denali black leather. Powered and heated
  15. ny_summit

    Maintenance fluid and filter questions.

    Thank you! Yes 86k and overall pretty clean. I ordered what ever oils show up in the owner manual. For the front and rear diff shows a 75w90 synthetic axle lube. T case shows the manual transmission fluid. Already did an oil change and changed air filter and added a cabin air filter. I've...
  16. ny_summit

    Maintenance fluid and filter questions.

    I found my manual it also shows the manual transmission fluid. I ordered that for the transfer case, the dex vi for the trans, and the synthetic axle lube for the diffs. I ordered that trans filter as well as per rock auto shows it fits. Should I buy a new gasket for the rear diff cover?
  17. ny_summit

    Maintenance fluid and filter questions.

    Thanks for the reply. The manual trans fluid is what's confusing me. I'm reading in places it's been replaced with dex vi and that's what should be used for the transfer case.
  18. ny_summit

    Maintenance fluid and filter questions.

    Hello everyone, new here. Well sorta. I had an account before for my 03 XL that I sold years ago. I recently picked up an 07 xl denali with 86k miles. I want to swap all the fluids out. I'm finding mixed opinions on what to use. I'd like to stay with gm fluids. For the front and rear diffs I'm...
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