Throttle Body Cleaning
- Drain the cooling system. Cooling System Draining and Filling (GE 47716)
- Oil Filler Cap - Remove
Intake Manifold Cover (1) - Remove
Oil Filler Cap (1) - Install
Positive Crankcase Ventilation Fresh Air Tube (1) @ Air Cleaner Outlet Duct - Disconnect - Plastic Collar Quick Connect Fitting Service
Turbocharger Outlet Duct Front Clamp (1) - Loosen
- Air Cleaner Outlet Duct Clamp (5) - Loosen
- Air Cleaner Outlet Duct Bolt (2) - Remove [2x]
- Air Cleaner Outlet Duct Nut (3) - Remove
- Air Cleaner Outlet Duct (4) - Remove
Charge Air Cooler Bolt (1) - Remove [4x]
Charge Air Cooler Outlet Air Hose Clamp (1) - Loosen [2x]
- Charge Air Cooler Coolant Hose Retainer (2) - Disengage [2x]
- Charge Air Cooler Coolant Hose (3) - Reposition [2x]
- Charge Air Cooler Inlet Air Hose Clamp (4) - Loosen
- Disconnect the electrical connector. (5)
Charge Air Cooler (1) - Remove
Charge Air Cooler Coolant Hose Clamp (1) - Loosen
- Charge Air Cooler Inlet Hose (2) - Remove
- Electrical Connector @ Throttle Body - Disconnect
- Fully open the throttle valve to inspect the throttle body bore and the throttle valve plate for any deposits.
- Throttle position (TP) sensor
- Throttle actuator control components
- Sealed throttle shaft bearings
- Use a clean shop towel and Top Engine Cleaner or equivalent product to clean the throttle body bore and the throttle valve plate. Adhesives, Fluids, Lubricants, and Sealers
- If necessary, use a non-abrasive parts cleaning brush to remove heavy deposits.
- Electrical Connector @ Throttle Body - Connect
Charge Air Cooler Inlet Hose (2) - Install
- Charge Air Cooler Coolant Hose Clamp (1) - Tighten - Fastener Specifications
Charge Air Cooler (1) - Install
- CAUTION:
Refer to Fastener Caution .
Charge Air Cooler Coolant Hose Clamp (4) - Tighten - Fastener Specifications
- Charge Air Cooler Coolant Hose (3) - Install [2x]
- Charge Air Cooler Coolant Hose Retainer (2) - Engage [2x]
- Charge Air Cooler Outlet Air Hose Clamp (1) - Tighten [2x] - Fastener Specifications
- Connect the electrical connector. (5)
Charge Air Cooler Bolt (1) - Install and tighten [4x] - Fastener Specifications
Air Cleaner Outlet Duct (4) - Install
- Air Cleaner Outlet Duct Nut (3) - Install and tighten - Fastener Specifications
- Air Cleaner Outlet Duct Bolt (2) - Install and tighten [2x] - Fastener Specifications
- Air Cleaner Outlet Duct Clamp (5) - Tighten - Fastener Specifications
- Turbocharger Outlet Duct Front Clamp (1) - Tighten - Fastener Specifications
Positive Crankcase Ventilation Fresh Air Tube (1) @ Air Cleaner Outlet Duct - Connect - Plastic Collar Quick Connect Fitting Service
Oil Filler Cap (1) - Remove
Intake Manifold Cover (1) - Install
- Oil Filler Cap - Install
- Fill the cooling system to the proper level. Cooling System Draining and Filling (GE 47716)
- Perform the throttle body idle air flow compensation reset procedure. Throttle Body Idle Air Flow Compensation Reset
Do not subject a throttle body assembly which contains the following components to an immersion cleaner or a strong solvent:
The cleaners will damage the electric components or sensors.
The cleaners will damage some of these components that contain seals or O-rings.
Solvents can wash away or break down the grease used on non-serviceable throttle shaft bearings.
Never use a wire brush or scraper to clean the throttle body. A wire brush or sharp tools may damage the throttle body components.
Do not use a cleaner that contains methyl ethyl ketone. This extremely strong solvent may damage components and is not necessary for this type of cleaning.