198000275 - 1072B50 AIR CHAMBER - R.R.

Removing ( Refitting ) - Position the vehicle on a lift.- Open the fuse box cover in the engine compartment, remove fuse F21 (15A) and start the engine several times until the fuel pressure in the distribution manifold is expended.- Fit the fuse removed previously and close the fuse box cover.     Op. 7055B54 UNDER ENGINE PROTECTION/GUARD - R.R.     Op. 0010T20 ENGINE COOLANT - CHANGE     Op. 1016A10 SOUND-PROOFING COVER - R.R     Op. 1056B65 SOUND INSULATING COVER FOR INJECTOR ASSEMBLY - R.R.    Op. 1088D48 PIPE FROM ENGINE COOLANT RESERVOIR TO TURBOCHARGER - R.R.    Op. 1048B25 INTERMEDIATE RIGID PIPE BETWEEN HEAT EXCHANGER AND THROTTLE BODY - R R    Op. 1048B30 AIR SUPPLY HOSE FROM RIGID PIPE TO THROTTLE BODY - REPLACE 1. Detach the electrical connection for the throttle body.
DescriptionConnector
1Integrated throttle body actuator    See N075 BUILT-IN THROTTLE BODY ACTUATOR
1. Disconnect the electrical connection for the fuel vapour solenoid valve.
DescriptionConnector
1Fuel vapour recovery solenoid valve    See L010 FUEL VAPOUR RECOVERY SOLENOID VALVE
2. Open the engine wiring retaining clips.3. Undo the lower bolts securing the air chamber.
1. Undo the fastenings and remove the air capacity chamber reinforcement.2. Disconnect the rapid connectors, open the retaining clips and move the fuel supply and return pipes to one side.3. Detach the electrical connections for the injectors.
DescriptionConnector
3Injector    See N070 INJECTOR
4. Disconnect the injector wiring coupling and remove it.5. Disconnect the electrical connection for the air temperature/pressure sensor.
DescriptionConnector
5Air pressure - temperature sensor    See K044 AIR TEMPERATURE/PRESSURE SENSOR
6. Disconnect the quick couplings for the fuel vapour delivery and return pipes.7. Loosen the band and disconnect the brake servor vacuum pipe.
1. Undo the upper bolts (1a) and remove the air chamber (1b).- Remove the gaskets.
1. Undo the bolts (1a), open the retaining clips and remove the fuel vapour solenoid valve (1b) complete with pipes and one-way valves.2. Undo the bolts and remove the throttle casing.- Remove the O-ring from the intake chamber.
1. Disconnect the vacuum pipe from the fuel pressure regulator.2. Undo the bolts (2a) and remove the common rail (2b) with injectors (2c).3. Undo the bolt and remove the air pressure and temperature sensor.
Refitting ( Removing ) - Position the air pressure and temperature sensor in its housing and secure it using the bolt.- Place the single fuel manifold pipe complete with injectors in its housing and secure it using the bolts.- Connect the vacuum pipe to the fuel pressure regulator.- Fit a new O-ring on the intake chamber, throttle body side.- Place the throttle body back in its housing and tighten the bolts.- Place the fuel vapour solenoid valve complete with pipes and one-way valves back in its housing, close the retaining clips and tighten the bolts.- Place the air chamber, complete with new gaskets, back in its housing and tighten the upper bolts to the recommended torque.
ComponentFasteningdia  Value (daNm)Validity
Air chamberBolt (to be replaced)M71.3 ÷ 1.61.4 16v TJet
- Connect the brake servo vacuum pipe and tighten the band.- Connect the quick couplings for the fuel vapour delivery and return pipes.- Connect the electrical connection for the air pressure/temperature sensor.- Refit the injector wiring in its seat and connect the intermediate coupling.- Secure the electrical connections for the injectors.- Place the fuel supply and return pipes in position and connect the rapid connectors.- Place the air chamber reinforcement back in its housing and tighten the fastenings.- Close the fuel supply and return pipe retaining clips.- Tighten the lower bolts fixing the air chamber to the recommended torque.
ComponentFasteningdia  Value (daNm)Validity
Air chamberBolt (to be replaced)M71.3 ÷ 1.61.4 16v TJet
- Close the engine wiring retaining clips.- Connect the electrical connection for the fuel vapour solenoid valve.- Connect the electrical connection for the throttle body.     Op. 1048B30 AIR SUPPLY HOSE FROM RIGID PIPE TO THROTTLE BODY - REPLACE    Op. 1048B25 INTERMEDIATE RIGID PIPE BETWEEN HEAT EXCHANGER AND THROTTLE BODY - R R    Op. 1088D48 PIPE FROM ENGINE COOLANT RESERVOIR TO TURBOCHARGER - R.R.    Op. 1056B65 SOUND INSULATING COVER FOR INJECTOR ASSEMBLY - R.R.    Op. 1016A10 SOUND-PROOFING COVER - R.R     Op. 0010T20 ENGINE COOLANT - CHANGE     Op. 7055B54 UNDER ENGINE PROTECTION/GUARD - R.R.