Question about 2007 GMC Yukon

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2007 yukon gears seems striped or transmisson prob. only 72000 mi

2007 yukon will not start out in drive or 3. It starts out in 1st gear or 2nd gear not 3rd or drive. it will go in reverse. after building up speed, it will then and only then go in 3rd or drive mode. what is the problem?

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It is an internal trans problem. I build transmissions for a GM dealer. It is going to be the input carrier, forward sprag, and 3rd/4th clutches. I have seen several. Get it to your dealer. That truck has a 100,000 mile powertrain warranty. That includes the trans. Good Luck.

Posted on May 09, 2009

  • Mike White
    Mike White May 09, 2009

    It is an internal trans problem. I build transmissions for a GM dealer. It is going to be the input carrier, forward sprag, and 3rd/4th clutches. I have seen several. Get it to your dealer. That truck has a 100,000 mile powertrain warranty. That includes the trans. Good Luck.

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