Removal And Installation: Turbocharger: Installation
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NOTE: Failure to inspect the components for debris may result in repeat failures.NOTE: It may be necessary to use a borescope to inspect the components.
When an engine or turbocharger is replaced due to a failure, inspect the following components for potential metal debris. If evidence of debris is found, clean or replace the components as needed.
- CAC and the CAC tubes
- Intake air system
- Exhaust manifolds
- EGR cooler and pipes
- Diesel Oxidation Catalyst (DOC)
- Turbocharger (on engine failure only)
- Replace the turbocharger mounting studs.
Torque: 124 lb.in (14 Nm)
- Install the turbocharger assembly and the new upper turbocharger retaining nut.
Torque: Stage 1: 133 lb.in (15 Nm) Stage 2: 17 lb.ft (23 Nm)
- Make sure a new turbocharger oil supply tube assembly with new turbocharger oil supply tube bolts and new turbocharger oil supply tube sealing washers are installed.
- Install the new turbocharger oil feed tube assembly with new turbocharger oil feed tube bolts and new turbocharger oil feed tube sealing washers.
Torque: 177 lb.in (20 Nm)
- Install the turbocharger heat shield and the upper turbocharger heat shield bolts.
Torque: 18 lb.ft (25 Nm)
- Install the lower turbocharger heat shield bolt.
Torque: 17 lb.ft (23 Nm)
- Connect the turbocharger electrical connector.
- Install the new lower turbocharger mounting nuts.
Torque: Stage 1: 133 lb.in (15 Nm) Stage 2: 17 lb.ft (23 Nm)
- Position the stand on the RH back corner of the cylinder block. Use the General Equipment: Vehicle/Axle Stands
- Remove the bolts and the bracket.
- Install a new turbocharger oil drain tube gasket and lubricate the turbocharger oil drain tube O-ring seal with clean engine oil. Refer to: Specifications
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- Install the turbocharger oil drain tube and the turbocharger oil drain tube bolts only finger tight at this stage.
- Install the bracket and the bolts.
Torque: 46 lb.ft (63 Nm)
- Remove the stand and then remove the wooden block between the oil pan and the crossmember. Use the General Equipment: Vehicle/Axle Stands. Use the General Equipment: Wooden Block
- Install the new engine mount nut.
Torque: 85 lb.ft (115 Nm)
- Install the turbocharger oil drain tube bracket bolt finger tight at this stage.
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- Tighten the upper turbocharger drain tube bolts.
Torque: 89 lb.in (10 Nm)
- Tighten the lower turbocharger drain tube bolt.
Torque: 17 lb.ft (23 Nm)
- Tighten the upper turbocharger drain tube bolts.
- Tighten the turbocharger oil drain tube bracket bolt.
Torque: 17 lb.ft (23 Nm)
- Position back and connect the turbocharger outlet tube at the turbocharger.
Torque: 44 lb.in (5 Nm)
- If removed, install and tighten the turbocharger exhaust studs.
Torque: 18 lb.ft (25 Nm)
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NOTE: Install the gasket with the tab at the top inboard corner.
Install a new gasket.
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NOTE: The catalytic converter/DPF engine bracket bolts are 2 different sizes. Install in same position noted from removal.NOTE: Do not tighten the fasteners at this time.
Install the catalytic converter/DPF and install the engine bracket bolts hand tight.
- Install a new gasket and the heat shield.
- Install the catalytic converter/DPF to DPF fasteners.
Torque: 30 lb.ft (40 Nm)
- Connect the exhaust gas temperature sensor wiring connector.
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NOTE: Typical application shown.
Connect the NOX sensor electrical connector and wiring retainers.
- Install the new catalytic converter/DPF nuts to the TC.
Torque: 30 lb.ft (40 Nm)
- Tighten the catalytic converter/DPF engine bracket bolts.
Torque: 18 lb.ft (25 Nm)
- Install the catalytic converter/DPF to bracket bolts.
Torque: 18 lb.ft (25 Nm)
- Install the fuel vaporizer system glow plug. Refer to: Fuel Vaporizer System Glow Plug .
- Connect the 2 hoses to the catalytic converter/DPF.
- Connect the exhaust gas temperature sensor wiring connector and wiring retainer.
- Reposition and attach the power steering reservoir.
- Reposition and connect the hose to the air cleaner.
- Install the air cleaner outlet tube. Refer to: Air Cleaner Outlet Pipe .
- Remove the oil filler cap. Install the engine appearance cover, reposition the hose and install the oil filler cap.
- Check the exhaust system for leaks.