oil leak

  1. J

    Am I Burning Oil?

    My latest oil change on my 2021 Yukon Denali with 95,000 miles only rendered me roughly 5500 miles until it was bone dry. However, the oil life remaining indicator said I still had 30% oil life. Am I burning oil? From the research I can gather, I should get closer to 7000 miles per oil change.
  2. J

    2022 z71 tahoe oil leak!!!!!

    So I'm new to the page and need some help with someone explaining the difficulty level of fixing this leak... it seems to be coming from whatever doo hicky is above the oil filter. Which is coming down and it looks like it's the bolt in the center of the picture... I can't figure out whether...
  3. J

    2021 GMC Yukon Denali Oil Burn

    I've got a 2021 GMC Yukon Denali with 85,000 miles and just had a notification pop up on dash about low oil. Oil Life Gauge has me at 38% life remainging still. Checked the dip-stick and was bone dry. Any thoughts on why this could be burning almost 40% oil? Put 2 quarts in it to get me by until...
  4. 29tomt

    Blue Devil Rear Main Seal Stop Leak

    I had previously posted that I had a leaking rear main seal on my 2003 Tahoe 5.3 with 223K miles. It had started out a small drip drip but began to show up on the dip stick. Vehicle has never budged off of full on the stick. Having last year had the oil pan gasket replaced along with the oil...
  5. H

    What engine oil?

    I have a 2005 Yukon XL with the 5.3. I have an oil leak problem, after 24 hours of sitting it will leave 2 small puddles of oil about 1.5 inch across, and one about 4 inches across. I added AT-205 to my oil a few weeks ago, and it completely resealed them and I lost no oil at all. I noticed that...
  6. O

    Oil Leak on a 98 Yukon

    Hello! I have a 1998 GMC Yukon, which just had a oil pan gasket, and new oil cooler lines replaced. But yet, the drip still persists. After spending 15 mins under the truck, it looks like the pan has oil on it, but where the transmission and oil pan meet, I can see this drip. Now my first...
  7. davidavidd

    Can anyone help me find out what happened here?

    Hi TY forum members happy new year from Colombia, long story below: I have a 2007 Tahoe, stock 5.3 engine (I've only added an oil catch can and transmission radiator), 180,000 miles with all the maintenance routines. Four days ago I did a little 300 mile round trip (mixed road between flat and...
  8. davidavidd

    Serious Engine Oil Leak! Tahoe / 5.3 / 2007

    Hello TY Forum, while I wait for the parts to repair my transmission I decided to take advantage of my free time looking for a big oil leak in my Tahoe (2WD - street use only). I share this video with you, waiting for your comments on it. The leak is massive (1 qt in two days!). Tomorrow with...

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