100k recommended service?

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moab

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What all should be done at 100k? 2007 GMC Yukon XL 4x4.
 

Amanda4461

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My take (what I did, anyway): New Plugs and Wires, Change Transfer Case & Both Differentials & Transmission Fluids. Check shocks for leaks.
 

lawfarm

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I did serpentine belts and idler/tensioner pulleys, and thermostat/rad hoses in addition to the above.
 

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