coolingCoolant System Flush and Refillfor 2021 Chevrolet Express 6.6L V8 Duramax Diesel · RWDLabor Hours4.1hrRange: 3.3–4.9 hrConfidenceestimatedAt $110/hr (independent shop)$451Estimated labor cost. Parts not included.Other labor times on this vehicle100K Service2.8 hr30K Service2.8 hr4WD Actuator5.5 hr60K Service2.8 hr90K Service2.8 hrABS Module2.8 hrABS Pump2.8 hrABS Wheel Speed Sensor - Front2.8 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