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2005 GMC Yukon Question: major service requirements at 105,000 miles. Front/rearl differentials?

 

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tflinn, Bellingham, WA, February 27, 2013, 13:25
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I am trying to determine what is required. My truck has had all timely oil changes etc. Does it need new front/rear differential? Transfer case? fluid flushing? what is exactly needed

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    bmdouble February 27, 2013, 13:47
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    At 100k I flush all fluids of a vehicle.Some manufacturers suggest it a different intervals,but those intervals are put in place by pencil pushing engineers that have never had grease under their nails.It never hurts to change fluids.

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    tflinn, February 27, 2013, 14:01
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    thank you, do you also suggest this to be done every 50-60k miles?

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    pushrod, February 27, 2013, 14:14
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    If you do this make sure the correct type lubes are put back along with any additives required!

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