Removing
1. Disconnect the vacuum hose from the brake booster (arrow), as shown in the figure below.
2. Loosen the clamps (1) And (2), then remove the air duct connection shown in the figure below.
3. Disconnect the hose (1) And (2) on the pressure pipe shown in the figure below.
4. Unplug wiring harness connector at charge pressure sender -G31- with intake air temperature sender 2 -G299 - (4), unscrew the fixing screws (3), as shown in the figure below.
5. Move the clamps outward (1), then remove the pressure pipeline (2) up as shown in the figure below.
6. The pressure pipe must then be removed (2) from the turbocharger.
7. Disconnect the wiring harness connector (1) from throttle valve module and assembly -J338- as shown in the figure below.
8. Remove fixing screws (2), shown in the figure below, then remove the throttle module (3) from the intake manifold as shown in the figure below.
Installation
1. Insert a new O-ring into the intake manifold groove.
2. Install throttle module (3) together with an adapter (2) and fixing screws (1) to the intake manifold (4), as shown in the figure below.
3. Tighten fixing screws (2) with a tightening torque of 7 Nm as shown in the figure below.
4. Install the wiring harness connector (1) to throttle module assembly (3). as shown in the picture below.
Note. Lightly lubricate the O-rings on the turbocharger and in the pressure pipe with engine oil before proceeding with installation.
5. Install pressure pipe (2) on the turbocharger as shown in the figure below.
6. Press on the pressure pipe shown in the figure below (2) to the throttle module. Retaining clips (1) at the same time, they should enter with a characteristic click into a fixed position.
7. Tighten the screws (3) clamp with a tightening torque of 7 Nm.
8. Connect wiring harness connector to charge pressure sender -G31- with intake air temperature sender 2 -G299-.
9. Install hoses (1) And (2) into holders on the pressure pipe.
10. Install the decorative engine cover.
When installing a new throttle module
11. Reset learned values and initialise engine control unit -J623- to throttle valve control.