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  1. D

    losing coolant and lifters tapping

    If it was piston slap wouldn't the sound start appearing gradually and get louder. This motor was quiet and then all of a sudden started doing it.
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    losing coolant and lifters tapping

    Yeah it definitely doesn't run rough on start up at just has the ticking/tapping sound for 45 seconds. Have you or anyone ever tried adding Lucas Heavy Duty Oil Stabilizer or anything similar to the oil to try to eliminate the ticking/tapping sound? Is it possible that the coolant could be...
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    losing coolant and lifters tapping

    I can't find any signs of leaking externally on the ground or the motor. However, I checked the oil and I don't see any sign of coolant there either (no cloudiness, bubbles, film, etc.).
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    losing coolant and lifters tapping

    I recently purchased a 2005 GMC Yukon 5.3L with 172K. I noticed that the heat wasn't working but I found the coolant low, topped it off and it worked fine. However, it seems to be consistently losing coolant at a rate of about a 1/2 gallon per 800 miles. I changed the oil as soon as I...
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    Driver's seat controls are backwards sometimes

    I had the dealer reprogram my drivers seat module after reading several posts with the same problem. Cost me a $100 but my seat works perfectly now. However my window problem still exists. Is the reprogramming that the dealer did the same as a bcm reprogramming or flash that you talked about or...
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    Driver's seat controls are backwards sometimes

    If my drivers seat is all the way back and I move the slide control forward to move the seat up it moves up about half the way then stops. It then doesn't respond for a few seconds. Then to get the seat to move the rest of the way forward I actually have to slide the control backwards. To move...
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    Window controls acting weird

    I have a 2005 Yukon xl slt and I'm having a rr window problem. From the drivers window controls I can put the right rear window down but not up. If I operate the window from the rr door control it works fine. If I engage the window lock on the drivers door, it appears to operate as it should as...
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    Window controls acting weird

    I have a 2005 Yukon xl slt and I'm having a rr window problem. From the drivers window controls I can put the right rear window down but not up. If I operate the window from the rr door control it works fine. If I engage the window lock on the drivers door, it appears to operate as it should as...

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