Turbocharger Wastegate Actuator Vacuum Tank Replacement

Removal Procedure

1. Intake Manifold Cover Replacement (LF4) -Remove
2. Turbocharger Wastegate Regulator Solenoid Valve Replacement (Bank 1) Turbocharger Wastegate Regulator Solenoid Valve Replacement (Bank 2) -Remove
3. Turbocharger Wastegate Actuator Vacuum Tank Solenoid Valve Tube Replacement -Remove
Fig 1: Charge Air Bypass Valve Vacuum Tank Tube
Courtesy of GENERAL MOTORS COMPANY
4. Charge Air Bypass Valve Vacuum Tank Tube @ Charge Air Cooler Cover-Disconnect Plastic Collar Quick Connect Fitting Service 
Fig 2: Turbocharger Wastegate Actuator Vacuum Source Tube
Courtesy of GENERAL MOTORS COMPANY
5. Turbocharger Wastegate Actuator Vacuum Source Tube @ Vacuum Pump-Disconnect
Fig 3: Charge Air Bypass Valve Tube
Courtesy of GENERAL MOTORS COMPANY
6. Charge Air Bypass Valve Tube @ Charge Air Bypass Valve-Disconnect
Fig 4: Electrical Connector
Courtesy of GENERAL MOTORS COMPANY
7. Electrical Connector @ Charge Air Bypass Valve -Disconnect
Fig 5: Turbocharger Wastegate Actuator Vacuum Source Tube
Courtesy of GENERAL MOTORS COMPANY
8. Turbocharger Wastegate Actuator Vacuum Source Tube @ Retainer -Unclip
Fig 6: Turbocharger Wastegate Actuator Vacuum Source Tube
Courtesy of GENERAL MOTORS COMPANY
9. Turbocharger Wastegate Actuator Vacuum Source Tube @ Retainer -Unclip
Fig 7: Charge Air Bypass Valve Tube
Courtesy of GENERAL MOTORS COMPANY
10. Charge Air Bypass Valve Tube @ Charge Air Bypass Valve-Disconnect
Fig 8: Electrical Connector
Courtesy of GENERAL MOTORS COMPANY
11. Electrical Connector @ Charge Air Bypass Valve -Disconnect
Fig 9: Turbocharger Wastegate Actuator Vacuum Tank
Courtesy of GENERAL MOTORS COMPANY
12. Turbocharger Wastegate Actuator Vacuum Tank Bolt -Remove
13. Turbocharger Wastegate Actuator Vacuum Tank -Remove

Installation Procedure

Fig 10: Turbocharger Wastegate Actuator Vacuum Tank
Courtesy of GENERAL MOTORS COMPANY
1. Turbocharger Wastegate Actuator Vacuum Tank -Install
CAUTION:

Refer to Fastener Caution .

2. Turbocharger Wastegate Actuator Vacuum Tank Bolt -Install and tighten 10 N.m (89 lb in)
Fig 11: Charge Air Bypass Valve Connector
Courtesy of GENERAL MOTORS COMPANY
3. Electrical Connector @ Charge Air Bypass Valve -Connect
Fig 12: Charge Air Bypass Valve Tube
Courtesy of GENERAL MOTORS COMPANY
4. Charge Air Bypass Valve Tube @ Charge Air Bypass Valve-Connect
Fig 13: Turbocharger Wastegate Actuator Vacuum Source Tube
Courtesy of GENERAL MOTORS COMPANY
5. Turbocharger Wastegate Actuator Vacuum Source Tube @ Retainer -Install
Fig 14: Turbocharger Wastegate Actuator Vacuum Source Tube
Courtesy of GENERAL MOTORS COMPANY
6. Turbocharger Wastegate Actuator Vacuum Source Tube @ Retainer -Install
Fig 15: Electrical Connector
Courtesy of GENERAL MOTORS COMPANY
7. Electrical Connector @ Charge Air Bypass Valve -Connect
Fig 16: Charge Air Bypass Valve Tube
Courtesy of GENERAL MOTORS COMPANY
8. Charge Air Bypass Valve Tube @ Charge Air Bypass Valve-Connect
Fig 17: Turbocharger Wastegate Actuator Vacuum Source Tube
Courtesy of GENERAL MOTORS COMPANY
9. Turbocharger Wastegate Actuator Vacuum Source Tube @ Vacuum Pump-Connect
Fig 18: Charge Air Bypass Valve Vacuum Tank Tube
Courtesy of GENERAL MOTORS COMPANY
10. Charge Air Bypass Valve Vacuum Tank Tube @ Charge Air Cooler Cover-Connect
11. Turbocharger Wastegate Actuator Vacuum Tank Solenoid Valve Tube Replacement -Install
12. Turbocharger Wastegate Regulator Solenoid Valve Replacement (Bank 1) Turbocharger Wastegate Regulator Solenoid Valve Replacement (Bank 2) -Install
13. Intake Manifold Cover Replacement (LF4) -Install