engineTiming Chainfor 2004 GMC Envoy 4.2L I6 · 4WDLabor Hours9.5hrRange: 8.5–11 hrConfidencemediumAt $110/hr (independent shop)$1045Estimated labor cost. Parts not included.Other labor times on this vehicle100K Service5 hr30K Service2 hr60K Service3 hr90K Service4 hrABS Module2 hrABS Pump2.5 hrABS Wheel Speed Sensor - Front0.8 hrABS Wheel Speed Sensor - Rear0.8 hrTiming Chain on similar vehicles 2.0L I4 hr 2.4L I4 hr 2.0L I4 hr 2.4L I4 hr 2.0L I4 hr 2.4L I4 hr📝 Suggest a correction to this labor time