Removal Procedure
- Drain the cooling system. Refer to Cooling System Draining and Filling (LF4 Static Fill) , or Cooling System Draining and Filling (LF4 GE 47716)
- Oil Filler Cap - Remove
Intake Manifold Cover Bolt (1) - Remove
- Intake Manifold Cover (2) - Remove
- Install the oil filler cap after removal of the intake manifold cover to prevent debris from falling into the engine.
- CAUTION:
The Positive Crankcase Ventilation (PCV) line is tamper resistant and must always be replaced once it is removed. The fittings connected to the PCV line must also be replaced if they are damaged when the PCV line is removed. To reduce the risk of damage to the fittings, use a suitable cutting tool and carefully cut the connections away.
Using a suitable cutting tool, carefully cut the 2 positive crankcase ventilation tube connectors (1).
- Positive Crankcase Ventilation Fresh Air Tube (2) - Remove and DISCARD
Turbocharger Wastegate Actuator Vacuum Tank Solenoid Valve Tube (1) - Disconnect and reposition - Plastic Collar Quick Connect Fitting Service
- Air Cleaner Outlet Duct Clamp (2) - Loosen
Charge Air Bypass Valve Hose Clamp (1) - Loosen
- Charge Air Bypass Valve Hose (2) - Reposition
- Retainer Spring (3) - Disengage
Auxiliary Air Cleaner Outlet Duct (1) - Remove
Retaining Clip (1) - Remove
Turbocharger Coolant Feed and Return Pipe Bolt (1) - Remove
- Turbocharger Coolant Feed and Return Pipe Gasket (2) - Remove and DISCARD [2x]
- Turbocharger Coolant Return Pipe (3) - Remove
- NOTE:
Some components not shown for graphic clarity.
Positive Assurance Cap (1) - Reposition
- Using a suitable tool, remove the turbocharger oil feed pipe fitting clip (2).
Turbocharger Heat Shield Bolt (1) - Remove [2x]
- Raise and support the vehicle. Lifting and Jacking the Vehicle
Rear Tire Front Air Deflector Bolt- Left Side and Right Side (1) - Remove [4x]
- Rear Tire Front Air Deflector- Left Side and Right Side (2) - Remove [2x]
Rear Wheelhouse Liner Bolt- Left Side (1) - Remove
- Underbody Rear Air Deflector Nut- Left Side (2) - Remove [3x]
- Underbody Rear Air Deflector Bolt- Left Side (3) - Remove [3x]
- Underbody Rear Air Deflector Nut- Left Side (4) - Remove [2x]
- Underbody Rear Air Deflector- Left Side (5) - Remove
Rear Wheelhouse Liner Bolt- Right Side (1) - Remove
- Underbody Rear Air Deflector Bolt- Right Side (2) - Remove [3x]
- Underbody Rear Air Deflector Nut- Right Side (3) - Remove [3x]
- Underbody Rear Air Deflector Nut- Right Side (4) - Remove [2x]
- Underbody Rear Air Deflector- Right Side (5) - Remove
Floor Panel Number 4 Cross Bar Reinforcement Bolt (1) - Remove [6x]
- Floor Panel Reinforcement (2) - Remove
Catalytic Converter Nut (1) - Remove [2x]
Exhaust Pipe Clamp (1) - Loosen [2x]
Exhaust Muffler (1) @ Exhaust Intermediate Pipe Insulator-Left Side (2) - Separate [2x]
Exhaust Muffler (1) @ Exhaust Intermediate Pipe Insulator-Right Side (2) - Separate [2x]
Electrical Connector (1) - Disconnect
Electrical Connector (1) - Disconnect
- NOTE:
The rear bumper fascia is removed for illustration purposes only.
Exhaust Muffler Hanger Bracket Nut (1) - Remove [4x]
With the aid of an assistant, remove the exhaust muffler (1).
- Catalytic Converter Gasket (2) - Remove and DISCARD
Catalytic Converter Brace Bracket Nut (1) - Remove [5x]
- Catalytic Converter Brace (2) - Remove
- Disconnect the heated oxygen sensor electrical connector.[2x]
Catalytic Converter Nut (1) - Remove [4x]
Warm Up Three-Way Catalytic Converter (1) - Remove
- Turbocharger Exhaust Pipe Gasket (2) - Remove and DISCARD
Turbocharger Heat Shield Bolt (1) - Remove
Turbocharger Heat Shield (1) - Remove
- NOTE:
Some components not shown for graphic clarity.
Turbocharger Oil Feed Pipe Bolt (1) - Remove
- Turbocharger Oil Feed Pipe Washer (2) - Remove and DISCARD
- Turbocharger Oil Feed Pipe (3) - Remove
- NOTE:
Some components not shown for graphic clarity.
Turbocharger Oil Return Pipe Bolt (1) - Remove [4x]
- NOTE:
Some components not shown for graphic clarity.
Turbocharger Oil Return Pipe (1) - Remove
- Turbocharger Oil Return Pipe Gasket (2) - Remove and DISCARD [2x]
Turbocharger Coolant Feed and Return Pipe Bolt (1) - Remove
- Turbocharger Coolant Feed and Return Pipe Gasket (2) @ Compressor Air Intake Turbocharger - Remove and DISCARD [2x]
- Turbocharger Coolant Feed Pipe (3) @ Compressor Air Intake Turbocharger - Separate
Turbocharger Bolt (1) - Remove [4x]
Compressor Air Intake Turbocharger (1) - Remove
- Turbocharger Gasket (2) - Remove and DISCARD