Removing Y-Shaped Pipe

Removing And Installing Cowl For Throttle Body (Y-shaped Pipe)







Removing Y-shaped pipe - Cayenne Turbo (type M48/50)







1. Remove front and side engine compartment covers.
2. Pull throttle body cover vertically upwards and off.







3. Pull off the electrical plug on the throttle adjuster -1- and unclip the cable. Then pull off the plug on the boost pressure sensor -2-. Twist the two fastening pins -3- through approx. 45 degrees in an anti-clockwise direction and pull out the pins.







View shows the fastening pins







4. Loosen the hose clamps to the left and right on the bellows and pull off the bellows.







5. Pull off the Y pipe from the throttle body and pull off the hose on the Y pipe. To do this, press the button and pull off the hose.







6. Unclip lines underneath the Y pipe and remove the middle section.







7. Undo intake manifold on the air cleaner cover. To do this, turn the two fastening pins through 180 degrees and pull the pins out in an upward direction. Then pull out the intake manifolds.







8. Remove the air line on the right air cleaner cover. To do this, press off the green cover cap. Insert a screwdriver into the notch of the cap and lever the cap off.







9. Push the snap ring into the flange -1- and then pull it off together with the flange -2-.







10. Clip the green cover cap on again after disassembly.







11. Remove the air cleaner covers. To do so, loosen each of the two fastening clips on the top side and remove the cover from the engine compartment in an upward direction.







12. Loosen the two fastening screws of the pressure pipes on the lock mount.







NOTE: Depending on the routing, the electrical cable of the fans may have to be disconnected on the left side and laid to one side in order to access the fastening screws of the Y pipe.


View shows the electrical plugs







13. Disconnect the electrical plug of the hot film mass air flow sensor.







14. Loosen the hose clamp on the bottom of the left hot film mass air flow sensor and remove the component from the engine compartment.







15. Loosen the two hexagon socket head bolts (a/f 5) of the pressure pipes.
16. Remove the two tubular pieces from the vehicle.