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  1. C

    Confusing coolant leak

    yeah, I pulled that off in the auto part store parking lot trying to decide if I should just get a water pump while I was still there. Later today I'll take the air box and upper radiator shroud off and give it a good inspection. Sent from my ONEPLUS A6013 using Tapatalk
  2. C

    Confusing coolant leak

    I wish I still had space and time to really diagnose it. It's my daily driver and I'm so busy right now (along with not having a dedicated work space) it's hard to really take the truck apart and give it a good inspection. Its on the ground, a good amount of it, but i'm having a hard time...
  3. C

    Confusing coolant leak

    I hadn't heard of them until today, and after researching it, it seems likely the weep hole is the culprit. I'm gonna look with an inspection camera later today (when it comes in the mail) and post an update here. Sent from my ONEPLUS A6013 using Tapatalk
  4. C

    Confusing coolant leak

    I'm now thinking weep hole area (didn't know weep holes were a thing before today) lol Sent from my ONEPLUS A6013 using Tapatalk
  5. C

    Confusing coolant leak

    That's what I was thinking, i just wanted to see if anyone here knows of a common issue with the 2000-2006 Yukons. I've never really worked on Heavy Duty truck engines and I learned something new today: weep holes are a thing, lol. Sent from my ONEPLUS A6013 using Tapatalk
  6. C

    Confusing coolant leak

    it's not consistent which is why I said it's confusing. Some days I seem to lose more than a quart after a 20-30 mile drive. Other days after a similar drive it'll just be a shot glass' worth. I do not smell coolant which is another reason to believe my block and head gasket is fine...
  7. C

    Confusing coolant leak

    Hi all! I'm hoping to find out if anyone has had issues with coolant leaking from around the water pump and thermostat housing. I've looked it up and it's not seemingly a common issue but from what I've seen in regards to the thermostat housing using only an o-ring for sealing where the two...

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