Turbocharger Disassemble

Special Tools 

EN-49940  Remover Quick Connector

For equivalent regional tools, refer to Special Tools .

1. Remove the 2 turbocharger oil return pipe bolts (2).
   Fig 1: Turbocharger Oil Return Pipe

   Courtesy of GENERAL MOTORS COMPANY
2. Remove the turbocharger oil return pipe (1) and the sealing (3) from the turbocharger.
3. Install the EN-49940  remover (2) to the turbocharger coolant feed pipe (1) and the quick fitting connector as shown.
   Fig 2: Turbocharger Coolant Feed Pipe

   Courtesy of GENERAL MOTORS COMPANY
   NOTE: The quick fitting connectors should be always replaced when the turbocharger coolant pipes are removed
4. Compress the EN-49940  remover and remove the turbocharger coolant feed pipe direction of the arrow.
5. Remove the quick fitting connector (2) and the seal ring (1).
   Fig 3: Quick Fitting Connector And Seal Ring

   Courtesy of GENERAL MOTORS COMPANY
6. Use the same procedure for the turbocharger coolant return pipe and the turbocharger coolant return pipe quick fitting connector.
7. Remove the clamp.(1)
   Fig 4: Turbocharger Wastegate Actuator Components

   Courtesy of GENERAL MOTORS COMPANY
8. Turbocharger Wastegate Actuator Hose (6) @ Turbocharger Wastegate Actuator (2)»Remove
9. Retainer (4) @ Turbocharger Wastegate Actuator»Remove
10. Nut (5) @ Turbocharger Wastegate Actuator»Remove [2x]
11. Turbocharger Wastegate Actuator (2) @ Turbocharger (3)»Remove
12. Measure the removed turbocharger wastegate actuator (1) with caliper as shown.
    Fig 5: Turbocharger Wastegate Actuator

    Courtesy of GENERAL MOTORS COMPANY
13. Notice the value (a).