engineValve Sealsfor 2004 GMC Sierra 2500HD 6.6L V8 Duramax Diesel · 4WDLabor Hours11.7hrRange: 9.4–14 hrConfidenceestimatedAt $110/hr (independent shop)$1287Estimated labor cost. Parts not included.Other labor times on this vehicle100K Service3.5 hr30K Service2.5 hr4WD Actuator2.8 hr60K Service3.5 hr90K Service3.5 hrABS Module1.8 hrABS Pump3.5 hrABS Wheel Speed Sensor - Front1.4 hrValve Seals on similar vehicles1997 Acura CL 2.2L I411.1 hr1997 Acura CL 3.0L V611.1 hr1998 Acura CL 2.2L I411.1 hr1998 Acura CL 3.0L V611.1 hr1999 Acura CL 2.2L I411.1 hr1999 Acura CL 3.0L V611.1 hr📝 Suggest a correction to this labor time