Sierra 3500 4WD V8-6.6L DSL Turbo (2007)
Turbocharger Vane Actuator: Service and Repair
Turbocharger Control Solenoid Valve Replacement
Removal Procedure
1. Remove the exhaust gas recirculation (EGR) valve cooler.
2. Remove the turbocharger oil feed pipe banjo bolt and washer.
3. Reposition the turbocharger oil feed pipe out of the way.
4. Disconnect the engine wiring harness electrical connector from the turbocharger vane control solenoid valve.
