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  1. W

    Trans/Transfercase fluid change

    I’ll check when i get home from work, i’ll let you know what the codes were
  2. W

    Trans/Transfercase fluid change

    Will do tomorrow morning. A 2004 GMC Yukon XL 2500 with the 6.0 It has 4WD
  3. W

    Trans/Transfercase fluid change

    Hey yall, Ive decided to start saving some money by changing the fluids myself instead of getting overcharged, I'm not too sure how long its been since the last Trans fluid change Carfax says 187k and now at 203k but the fluid looks fairly brown. I Also dont know when the last time the Transfer...
  4. W

    Engine issues

    Maybe! Got it running back to normal, Replaced the thermostat and water pump, I saw that both the pump and the themostat were both brown on the inside and corroded. So that happened to be the issue. Im surprised that the truck is running as well as it is with apparently a blown headgasket. No...
  5. W

    Engine issues

    They said it was probably best to get a junkyard engine or retire Yea it seems to be a very small leak. another thing they said are those 6.0 engines are hard to come by. i’d rather try to fix it.
  6. W

    Engine issues

    They said it was probably best to get a junkyard engine or retire the truck
  7. W

    Engine issues

    Mechanic came back saying my truck has a blown head gasket and it needs a new engine, (A 6.0 which would be hard to find a used one that doesn’t have over 200k miles) it seems to be a very small head gasket leak cause it doesn’t loose very much coolant. Truck was driven about 15k miles with a...
  8. W

    Blown Headgasket?

    Thanks for all the help y’all, I’m pretty sure I found the issue, I testing everything and it’s not a blown head gasket, I found a nice wet spot under the heater core lines and plastic fittings on the firewall, so I’ll get that replaced and let you guys know how it goes.
  9. W

    Blown Headgasket?

    I will check that, Thank you
  10. W

    Blown Headgasket?

    Will do
  11. W

    Blown Headgasket?

    Oil was changed not too long ago, Didn’t see anything abnormal. I don’t see any leaks on the ground
  12. W

    Blown Headgasket?

    About a pint every 1-2 weeks
  13. W

    Blown Headgasket?

    Yea I’m pretty sure I have the 706, exhaust smells normal I think it’s just time to replace the coolant lines and radiator
  14. W

    Blown Headgasket?

    No smoke, besides vapors cause of cold weather, I’ve had this issue since July 2023. After some more testing I think it might be the radiator.
  15. W

    Blown Headgasket?

    I’m pretty sure it’s the headgasket, I checked oil many times after driving long distances and it looks normal, The reservoir hasn’t ever been replaced.
  16. W

    Blown Headgasket?

    Hey y’all, So in my ‘04 Yukon I am noticing that I am losing a small amount of coolant while driving. It holds pressure well so it’s not a leak but I see that it holds some pressure even 10+ hours after driving. I am hoping that it could be something small like a bad Coolant reservoir? Other...
  17. W

    Long Roadtrip in Yukon 2500?

    Thanks for all the great advice! My trip was moved to a different month so I have some more time to prepare, The Trans fluid was changed recently at 187k miles about 14k miles ago but fluid looks a brown, Should I change it?
  18. W

    Long Roadtrip in Yukon 2500?

    Yup! This truck has never let me down. Maybe broke once or twice but never left me stranded! I'll just plan on checking everything a couple times and popping the hood every gas stop. Other that that It seems to get good gas milage too. Saying 520 Miles of range full tank!
  19. W

    Long Roadtrip in Yukon 2500?

    No issues at all, I will bring a gallon of coolant with and maybe a qt of oil, It doesnt burn oil anymore as I just replaced the valve cover gaskets but it wouldnt hurt. Not too long ago the Heater core hose blew and I replaced all the Lines and water pump. Diff fluid was just changed recently...
  20. W

    Long Roadtrip in Yukon 2500?

    Hey yall, So I have a 2004 GMC Yukon XL 2500 with about 201,900 Miles on it. I'm planning on taking it on a road trip from Atlanta to San Antonio Texas. It was a city car for the last 10k miles but before mostly for towing and road trips. It was a lemon law Truck from Florida in the early 2000s...

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