243519 Removing and installing air box for throttle housing (Y-shaped pipe ahead of throttle valve)

WM 243519 Removing and installing air box for throttle housing (Y-shaped pipe ahead of throttle valve)

Technical values





Preliminary work

1. Remove design cover on the throttle valve. -> 108319 Removing and installing engine cover (design cover) Service and Repair

Removing air box for throttle housing (Y-shaped pipe ahead of throttle valve)

Naturally-aspirated engine =>
1. On naturally aspirated engine: Loosen the screw-type clamps and pull off intake pipes and Y-shaped pipe -3, 1 or 2 -.





Intake pipes

Turbo engines =>
2. On turbo engine: Disconnect boost pressure sensor. -1- (ignore 2 and 3)





Boost pressure sensor

3. Lever off clip under the Y-shaped pipe with a screwdriver. -arrow-





Line holder under Y-shaped pipe

1. Release both locking pins -2- on the Y-shaped pipe in a clockwise direction and pull them off. Pull Y-shaped pipe off the throttle housing.





Turbo pressure pipes ahead of throttle valve (US version shown)





1.1. Either release the clips on the plug-in connection -1- for the charge air cooler if necessary and pull the pressure pipes off the charge air cooler. Turn the Y-shaped pipe with pressure pipes fitted around and detach the control line -5- , which is clipped on.
1.2. Or loosen the screw-type clamps between the Y-shaped pipe and pressure pipes and turn the Y-shaped pipe around and detach the control line -5- , which is clipped on.

Installing air box for throttle housing (Y-shaped pipe ahead of throttle valve)

- The components are installed in reverse order to removal.
- Screw-type clamps => Tightening torque: 3.5 Nm (2.5 ftlb.)
- The clips on the pressure pipes must engage securely and click into place on the charge-air cooler connection pieces (check by pulling on the pipes).

Subsequent work

1. Fit design cover on the throttle valve. -> 108319 Removing and installing engine cover (design cover) Service and Repair