coolingCoolant System Flush and Refillfor 2009 GMC Envoy 4.2L I6 · 4WDLabor Hours3hrRange: 2.4–3.6 hrConfidenceestimatedAt $110/hr (independent shop)$330Estimated labor cost. Parts not included.Other labor times on this vehicle100K Service2 hr30K Service2 hr4WD Actuator4 hr60K Service2 hr90K Service2 hrABS Module2 hrABS Pump2 hrABS Wheel Speed Sensor - Front2 hrCoolant System Flush and Refill on similar vehicles1997 Acura CL 2.2L I43 hr1997 Acura CL 3.0L V63 hr1998 Acura CL 2.2L I43 hr1998 Acura CL 3.0L V63 hr1999 Acura CL 2.2L I43 hr1999 Acura CL 3.0L V63 hr📝 Suggest a correction to this labor time