Installation Procedure
- CAUTION:
This component uses torque-to-yield bolts. When servicing this component do not reuse the bolts, New torque-to-yield bolts must be installed. Reusing used torque-to-yield bolts will not provide proper bolt torque and clamp load. Failure to install NEW torque-to-yield bolts may lead to engine damage.
CAUTION:Refer to Fastener Caution .
NOTE:The exhaust pipe studs do not come installed on new turbochargers. If the turbocharger is being replaced, new studs will need to be installed.
NOTE:Install a NEW gasket.
Turbocharger Gasket (3) - Install
- Turbocharger (2) - Install
- Turbocharger Nut (1) - Loosely install [4x]
Install a NEW gasket.
Turbocharger Oil Return Pipe Gasket - Install
- Turbocharger Oil Return Pipe Bolt (1) - Install and tighten [2x] 10 N.m (89 lb in)
-
NOTE:
Install NEW nuts.
Turbocharger Nut - Tighten in sequence
Tighten
- First Pass: 30 N.m (22 lb ft)
- Final Pass: 90 degrees
Turbocharger Coolant Return Pipe (3) - Install - Turbocharger Coolant Return Pipe Replacement (LTG)
- NOTE:
The PCV hose and fitting assembly connection is permanent. Reinstall these components as an assembly unless new components are being used.
NOTE:Always ensure the PCV hose fitting O-Ring (3) seal is free of cuts or abrasions each time the fitting is attached to the turbocharger.
Positive Crankcase Ventilation Hose Fitting (2) - Connect
- Positive Crankcase Ventilation Hose Fitting Bolt (1) - Install and tighten 8 N.m (71 lb in)
- NOTE:
Install NEW gaskets.
Turbocharger Oil Feed Pipe Gasket (1) - Install [2x]
- Turbocharger Oil Feed Pipe Bolt - Install and tighten - Turbocharger Oil Feed Pipe Replacement
Connect the electrical connectors. (1)
Charge Air Cooler Inlet Air Tube@Turbocharger - Install - Charge Air Cooler Inlet Air Tube Replacement
- Turbocharger Coolant Feed Pipe - Install Turbocharger Coolant Feed Pipe Replacement (LTG with Y4Q) , or Turbocharger Coolant Feed Pipe Replacement (LTG without Y4Q)
- Warm Up Three-Way Catalytic Converter - Install - Warm Up Three-Way Catalytic Converter Replacement (LTG)
Turbocharger Heat Shield - Install - Turbocharger Heat Shield Replacement
- Fill the cooling system. Cooling System Draining and Filling (GE 47716) , or Cooling System Draining and Filling (Static Fill)
- Air Cleaner Outlet Duct - Install - Air Cleaner Outlet Duct Replacement (Non-Tamperproof) , or Air Cleaner Outlet Duct Replacement (Tamperproof)
- Intake Manifold Cover - Install - Intake Manifold Cover Replacement
Install NEW nuts.