what services needs to be done at 100,000 miles
100,000 miles on 2007 Chevrolet Trailblazer
In addition to the Maintenance Minder service, GM recommends replacement of the Air Filter, Spark Plugs, Transfer Case Fluid and the Automatic Transmission Fluid/Filter. You can get this estimate if you look under "Scheduled Maintenance" in the RepairPrice Estimator. http://repairpal.com/estimator?car_type_id=4951 and select the Maintenance I or II service.