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  1. 2000YukonXL

    Radio won't shut off when door opens

    I bought 2003 Denali, and have had it a year with little to no problems. Currently have 109,500 miles and in the last few weeks we have noticed that the radio doesn't always turn off when the drivers door opens. This morning I fiddled with it for about 20 min before it turned itself off :/ I did...
  2. 2000YukonXL

    Mysterious Coolant Leak

    Now that the water pump has been mentioned, I did hear what sounded like a grinding noise this morning when the reservoir was empty and as soon as I filled it back up, the noise was gone.... Dam, I don't want to just start blindly buying parts and I sure don't want to pay shop prices cuz one...
  3. 2000YukonXL

    Mysterious Coolant Leak

    Rear air works perfect, and the reservoir runs completely dry. I think the only solid answer is to just get in the and start checking things out... At least I know a couple places to look... And I'm in Vancouver,WA
  4. 2000YukonXL

    Mysterious Coolant Leak

    Seriously, how long can one drive around with these castech heads spewing coolant into the oil before some serious happens? Something has to give!! We're talkin 40-50,000 miles! I actually took it from WA to SoCal, straight through both ways (except fuel) 2500 miles round trip, I'm baffled! If...
  5. 2000YukonXL

    Mysterious Coolant Leak

    Coolant and Oil are not mixing, and other than the fact that it goes empty so fast there is absolutely no sign of the truck leaking. I've checked and rechecked the carpets, hoses and everything else I can find, nothing is wet or appears to be leaking. The only other thing that might be a sign is...
  6. 2000YukonXL

    Mysterious Coolant Leak

    Its definitely leaking! Runs the resevoir dry in a short amount of time, maybe 150 miles max on the freeway before you HAVE TO stop and fill it back up, but even when its low, it won't overheat. There's been speculation that it may be the head leaking into the exhaust, but nobody has proved it...
  7. 2000YukonXL

    Barn Door LED's

    I'm not sure if you've found any lights yet, but I have been researching the same problem, and I seen some LED tail lights on ebay that look like they will work... The guys that gave their input above were real helpful :)
  8. 2000YukonXL

    Mysterious Coolant Leak

    :emotions122: 2000 Yukon XL 5.3L, with a mysterious coolant leak. Has been to 4 different shops and checks out fine, pressure checked the system (even over night) and its perfect... Low coolant light comes on after about a 30 min trip, no over heating, front heat works fine, rear heat is ice...

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