Throttle Body: Service and Repair
WM 244219 Removing and installing throttle housing on DFI engines
Technical values
Preliminary work
1. -> 243519 Removing and installing air box for throttle housing on DFI engines (intake ports upstream of throttle valve) - section on "Removing" Service and Repair
Removing throttle housing
Intake module
1. Pull off cable plugs on the throttle housing and pull cable out of the clip.
2. Loosen the four screws on the throttle housing -arrows-. Remove throttle housing.
Loosening throttle adjuster
3. Check the condition of the sealing ring. Replace the sealing ring if necessary => Throttle housing sealing ring.
Throttle housing sealing ring
Installing throttle housing
1. Check the condition of the sealing ring. Replace the sealing ring if necessary => Sealing ring for throttle housing.
Sealing ring for throttle housing
2. Place throttle housing in installation position and fit it. Position and fit four screws -arrows-. => Tightening torque: 8 Nm (6 ftlb.)+/-0.8 Nm (+/-0.5 ftlb.)
Throttle adjuster mount
Intake module
3. Fit cable plugs on the throttle housing and insert cable into the clip.
Subsequent work
Information
- The new throttle valve must be taught when replacing the throttle valve.
- Conditions: The vehicle is stationary, engine is off, engine temperature is between 5 and 100°C, intake air temperature is more than 5°C, battery voltage is at least 9 volts
- After replacing the throttle valve, switch on the ignition - but do not press the accelerator pedal - and wait for one minute.
1. Secure intake port on throttle housing. For details, see -> 243519 Removing and installing air box for throttle housing on DFI engines (intake ports upstream of throttle valve) - section on "Installing" Service and Repair