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 RepairsFront Bumper Impact Bar Replacement Bumpers Front Bumper
Front Bumper Impact Bar ReplacementCalloutComponent NamePreliminary ProcedureRemove the bumper fascia. Refer toFront Bumper Fascia Replacement.1Front Bumper Impact Bar Bracket Bolt(Qty:-8)Caution:Refer toFastener Caution.Tighten30-Y(22-lb-ft)2Front Bumper Impact BarProcedureDisconnect the electrical ...