Duramax oil consumption?

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Posts
- Where is the Ambient Air Temperature Sensor on a 2021 Chevy Suburban?
  
  By newdude · Posted 2 hours ago
  
  Ambient temp sensor is installed at the bottom of the grille shutter at the front of the truck behind the grille. That would not be the ambient air temp sensor. That would be the windshield outside moisture/ambient light and humidity sensor. Not the ambient temp sensor.
- Where is the Ambient Air Temperature Sensor on a 2021 Chevy Suburban?
  
  By tbarn · Posted 2 hours ago
  
  Above the rearview mirror attached to the windshield.
- 23 Silverado 1500 - passenger front floor mat wet
  
  By David Krueger · Posted 3 hours ago
  
  We had a Buick Enclave with a sunroof leak. It had a water tray with drains that would grow some funk in them. Then the water would run out onto the floor and the mats would stink from the wetness. We figured out to use an air blower with a rubber tip to blow them out regularly. Open up the roof and stand on the seat you can see the holes in the corners.
- 23 Silverado 1500 - passenger front floor mat wet
  
  By 67elco · Posted 3 hours ago
  
  I just bought this truck yesterday: I didn't notice this problem during the test drive/inspection. I drove it back home about 2 1/2 hours from the dealer I bought it from, running the a/c the entire time (which worked perfectly fine), and today I noticed a small amount of oily water (definitely not coolant) on the passenger front mat: Which appears to be coming from up above: My day job is running a GM Certified Collision Center, and I have access to GM SI, and I was able to pull this diagram: I had read from others that its common for the drain to clog and the water then fills up the drain tube and overflows into the cabin. I pulled the driver's fender liner back and was able to snake a small plastic bristle brush up the drain about 4-5". Nothing came out and the the brush was bone dry. I'm not sure if I still have warranty coverage as I'm right at the 3 year mark. I could not find any definitive answers via search as to what is the source of this problem.
- Show Us Your 2019 & Up T1 Pictures !
  
  By stanz792 · Posted 5 hours ago
  
  My new 2026 Sierra 1500 SLT.
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