Removing and Installing Intake Distributor - Engine Removed

Removing And Installing Intake Distributor - Engine Removed

NOTE:
- Pay attention to the routing of the vacuum hoses.
- Pay attention to the storage of the individual parts.

1. Remove the secondary air pump.
2. Undo the throttle body connections.
3. Undo the 2 spring band clamps and the screw-type hose clamp -arrows- and pull off the hoses.







4. Unclip the vacuum line -arrow- on the strain relief strut.







5. Pull the three vacuum hoses -arrows- off the intake distributor.







6. Undo the holder of the fuel return line. Unscrew the M6 screw -arrow- for this purpose.







7. Connect the connector of the overrun air valve -arrow- and pull off the two vacuum hoses -arrow-.







8. Remove the overrun air valve module.







9. Remove the activated carbon filter lead. To do so, disconnect the plug connection on the bleeder valve -arrow- and disconnect the coupling on the pressure pipe.







10. Undo the six upper screw-type hose clamps on the rubber sleeves of the intake distributors.
11. Disconnect all vacuum leads at the four-way branch piece.

NOTE: All rubber sleeves must be sealed (foreign objects):







12. Pull the intake distributor out of the rubber sleeves and lay to one side.

Installing intake distributor

NOTE: Check rubber sleeves and replace, if necessary:

1. Coat the inside of the rubber sleeves slightly with Vaseline. Place intake distributor into rubber sleeves and press into place evenly as far as the stops without tilting.
2. Connect all the vacuum leads at the four-way branch piece.







3. Tighten the six upper screw-type hose clamps on the rubber sleeves
4. Install the activated carbon filter lead. To do so, connect the plug connection on the bleeder valve -arrow- and the coupling on the pressure pipe.







5. Install the overrun air valve module.







6. Connect the connector of the overrun air valve module -top arrow- and push on the two vacuum hoses -bottom arrow-.







7. Fasten the holder of the fuel return line. Position and tighten the M6 screw -arrow- for this purpose.
Tightening torque of M6 screw = 10 Nm (7.5 ftlb.)







8. Connect the three vacuum hoses -arrows- on the intake distributor.







9. Clip the vacuum line -arrow- on to the strain relief strut.







10. Connect the three hoses to the upper box of the distributor pipe and fasten the hose clamps -arrows-.







11. Fasten the throttle body connections
12. Install secondary air pump.