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  1. Yukon_driver

    Service Recommendations with Dashboard Removed

    Hi all, I am going to be replacing my heater core/evap core at some point in the near future, which means I will be dropping the dashboard because I don't have any desire to cut holes anywhere for access. For context, I am planning on refreshing the entire HVAC system so the Freon and coolant...
  2. Yukon_driver

    Heater Hose - Aluminum Parts Upgrade

    Also guys, it is easier to get the T connectors on if you slide both of the metal lines in at the same time. It's harder to get them together if you try to put one of the metal lines in at a time. (not the rubber hose with or without the adapter, that one is easy). See what I'm talking about...
  3. Yukon_driver

    Heater Hose - Aluminum Parts Upgrade

    Yes this is a very good point, I ran mine like that for a while too.
  4. Yukon_driver

    Heater Hose - Aluminum Parts Upgrade

    Yes one of each tee and two of the same connectors
  5. Yukon_driver

    Heater Hose - Aluminum Parts Upgrade

    Thank you for this, very helpful.
  6. Yukon_driver

    Heater Hose - Aluminum Parts Upgrade

    Alright guys, I've done it. Mostly. I replaced both of the plastic T connectors and respective adapters for the heater core hoses with aluminum counterparts for my 2002 GMC Yukon. I still haven't replaced the Y connector down by the water pump because I'm not prepared to drain coolant in my...
  7. Yukon_driver

    Heater Hose - Aluminum Parts Upgrade

    Great, thanks! I just got the adapter from the second picture today and thankfully it does have the rubber seal on the inside and the clip is also pre-installed
  8. Yukon_driver

    Heater Hose - Aluminum Parts Upgrade

    I was not able to view the pictures, says I don't have permission or something like that. Could you drop the picture directly into the post maybe? It would be really cool to see the metal T's installed on someones system before I get started!
  9. Yukon_driver

    Heater Hose - Aluminum Parts Upgrade

    Nice thread man! Seems like you've done a lot of the things I want to do with my Yukon, I'll definitely be looking into your project for inspiration.
  10. Yukon_driver

    Heater Hose - Aluminum Parts Upgrade

    Has anyone replaced the plastic hose connections on the firewall with metal aftermarket parts? Specifically the Dorman T connector and the Dorman 800-409 adapter? I attached pictures of these parts below for your reference. I have ordered these parts because I want to minimize the risk of...
  11. Yukon_driver

    Evap Issue? - SOLVED

    If anyone is still interested, the issue was a paper towel plug in the second smaller hose that I forgot to remove....thank you all for your responses lol
  12. Yukon_driver

    Evap Issue? - SOLVED

    Hi everyone, I have a 4.8L 2002 GMC Yukon with 220,000 miles on it (4x4). I recently changed the fuel pump on my own for the first time and it is running great, but now I am having an issue with refueling. When I use a Jerry to fill up with gas, I have no problems, but when I try to refuel at...
  13. Yukon_driver

    Rear Main Seal

    I'm glad that I asked, lots of good advice here!
  14. Yukon_driver

    Rear Main Seal

    I'm glad to hear that breaking down the engine is not necessary, I was very surprised when this mechanic told me that. I am not very knowledgeable when it comes to cars, but I was under the impression from what I read online that just the transmission should need to be dropped. I will keep...
  15. Yukon_driver

    Rear Main Seal

    Hi everyone, this is my first post here. I came looking for answers regarding rear main seal replacement on a 2002 GMC Yukon. I have had several quotes to have this repair done, ranging from $1,700 to $2,200. But for the first time today, a mechanic told me that it would not be worth it to do...

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