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  1. M

    P0700 and p0716 09 Yukon xl 5.3 Sle2

    I received both codes yesterday while at a stop light. I felt a clunk all of a sudden and it immediately turned on the check engine light. There doesn't seem to be an issue with the speedometer, shifting, over heating or, anything. The transmission oil does seem a bit light brown. I changed a...
  2. M

    Coolant Question

    I simply topped off the coolant to the fill line the day after I got my truck back(about two weeks ago). It went back to full after I turned it off with no visible difference. I noticed the smoke after I parked yesterday when I went to run an errand that was 10 miles away from home. I nor a...
  3. M

    Coolant Question

    No idea. The mechanic added the coolant when he did the repair.
  4. M

    Coolant Question

    I've noticed that my 09 Yukon xl SLE 5.3 eats up a lot of coolant. It guzzles it up while driving at normal temperatures but dumps it back into the reservoir when it starts to cool off after being turned off. There is no overheating issue, visible leaks, nor smell. It smoked a bit yesterday from...

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