coolingCoolant System Flush and Refillfor 1990 GMC Sierra 2500 7.4L V8 454 · 4WDLabor Hours1hrRange: 0.8–1.2 hrConfidenceestimatedAt $110/hr (independent shop)$110Estimated labor cost. Parts not included.Other labor times on this vehicle100K Service4.2 hr30K Service3 hr4WD Actuator3 hr60K Service4.2 hr90K Service4.2 hrABS Module1.4 hrABS Pump1.4 hrABS Wheel Speed Sensor - Front1.4 hrCoolant System Flush and Refill on similar vehicles1997 Acura CL 2.2L I41 hr1997 Acura CL 3.0L V61.2 hr1998 Acura CL 2.2L I41 hr1998 Acura CL 3.0L V61.2 hr1999 Acura CL 2.2L I41 hr1999 Acura CL 3.0L V61.2 hr📝 Suggest a correction to this labor time