Severe Commercial Use Vehicles Only: Lubricate chassis components every 5 000 km/3,000mi.Have underbody flushing service performed. See "Underbody Maintenance" inExterior Care.
Power Mode Description and Operation
GMLAN and Media Oriented Systems Transport (MOST) Wiring RepairsPinion Flange Runout Measurement
Special ToolsGE-8001Dial Indicator Set, or equivalentJ-23409Dial Indicator Extension, or equivalentJ-35819Flange Runout GaugeFor equivalent regional tools, refer toSpecial Tools and Equipment.Note:This measurement procedure is intended to measure drive axlepinion flanges with 1-piece U-joint yokes o ...