Tons of play in rear end

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Adam m

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So I have a question, in the middle of doing my rotors I noticed how much play there is in the rear end driveshaft, it cabt be normal, but what I wanted to know is, from the video what dk u guys think, rear differential, transfer case,u joins,a mount it's a 07 gmc Yukon Denali AWD
 

Geotrash

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So I have a question, in the middle of doing my rotors I noticed how much play there is in the rear end driveshaft, it cabt be normal, but what I wanted to know is, from the video what dk u guys think, rear differential, transfer case,u joins,a mount it's a 07 gmc Yukon Denali AWD
How many miles on it? You may need to upload the video to YouTube and post a link here.
 

89Suburban

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My humble opinion is that with the high mileage, and AWD setup, seemingly lack of a posi rear end. It's may seem extreme but all that play though the complete drivetrain from the front wheels to the back just get's amplified through all the parts. I bet if you could theoretically put that into 2WD that play would be cut in half. I would certainly keep an eye on it and do some preventative driveline fluid changes and maintenance as time will allow you to do it.
 

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