exhaustAir Injection Check Valvefor 2001 Rolls-Royce Silver Seraph 5.4L V12 · RWDLabor Hours2.2hrRange: 1.8–2.6 hrConfidenceestimatedAt $110/hr (independent shop)$242Estimated labor cost. Parts not included.Other labor times on this vehicle100K Service12.5 hr30K Service4.5 hr4WD Actuator4.3 hr60K Service8.5 hr90K Service12.5 hrABS Module2.5 hrABS Pump5.4 hrABS Wheel Speed Sensor - Front2.2 hrAir Injection Check Valve on similar vehicles1997 Acura CL 2.2L I41.3 hr1997 Acura CL 3.0L V61.3 hr1998 Acura CL 2.2L I41.3 hr1998 Acura CL 3.0L V61.3 hr1999 Acura CL 2.2L I41.3 hr1999 Acura CL 3.0L V61.3 hr📝 Suggest a correction to this labor time