1016B12 SINGLE CYLINDER HEAD EXTENSION - R R WITH TIMING BELT REMOVED - REPLACE - Fiat - IDEA - eLearn

2400065 - 1016B12 single cylinder head extension - r r with timing belt removed - replace

) Proceed with removal - 5530B10 battery - r+r Proceed with removal - 5530B52 Battery DRIP TRAY/SUPPORT - R.R.1. Loosen the collar and disconnect the engine oil vapour intake pipe from the tappet cover.2. Disconnect the engine oil vapour inlet pipe from the intake manifold.3. Loosen the band, disconnect the hose from the air filter to the intake manifold, intake manifold side and remove it.4. Loosen band and disconnect the upper coolant inlet hose to the radiator, thermostat side.

Recover the coolant which comes out in a suitable container.

1. Loosen the band and disconnect the lower radiator coolant outlet hose from the radiator, radiator side.

1. Disconnect the electrical connection from the cam angle sensor.

	Name	Connector
1	Timing sensor.	K47

1. Disconnect the electrical connection for the front Lambda sensor for the catalytic converter.

	Name	Connector
1	Lambda sensor on catalyzer	K17

2. Disconnect the electrical connection for the rear Lambda sensor for the catalytic converter.

	Name	Connector
2	Lambda sensor on catalyzer	K17

1. Disconnect the electrical connection from the engine coolant temperature sensor.

	Name	Connector
1	Engine temperature sender unit	K36

2. Disconnect the electrical connection from the throtle body integrated with the M.D.S.

	Name	Connector
2	Integrated throttle body actuator	N75

1. Disconnect the electrical connections (1a) and (1b) from the injection/ignition system control unit.

	Name	Connector
1a	Engine management control unit	M10A

	Name	Connector
1b	Engine management control unit	M10B

2. Release the electrical wiring (2a) from the band (2b).3. Undo the nut (3a) and disconnect the earth lead (3b) from the injection-ignition system.4. Disconnect the electrical connection from the fuel vapour solenoid valve.

	Name	Connector
4	Fuel vapour recovery solenoid	L10

1. Undo the nut (1a) and disconnect the earth lead (1b) from the air conditioner compressor. 2. Disconnect electrical connection (2a) from the intake air pressure/temperature sensor and release the electrical wiring from band (2b).

	Name	Connector
2a	Integrated air temperature sensor	K43

3. Disconnect the rapid connector for the fuel vapour recirculation pipe from the air chamber.

1. Disconnect the electrical connection for the rpm sensor.

	Name	Connector
1	Rpm sensor	K46

2. Disconnect the electrical connection from the engine oil pressure warning light switch.

	Name	Connector
2	Engine oil pressure sensor (switch)	K30

1. Open the cover (1a), undo the nuts (1b) and disconnect the electrical connections (1c) for the alternator.

	Name	Connector
1c	Starter' motor	A20

2. Undo nut (2a) and disconnect earth lead (2b).3. Disconnect the electrical connection for the knock sensor.

	Name	Connector
3	Detonation sensor	K50

4. Disconnect the electrical connection from the air conditioning compressor engagement electromagnet.

	Name	Connector
4	Air conditioning compressor engagement electro-magnet	L20

5. Release engine electrical wiring (5a) from bands (5b) on the air capacity chamber, then move aside.

1. Disconnect the brake servo single-acting valve from the brake servo.2. Release the vacuum pipe for the brake servo (2a) from the retaining band (2b).

1. Loosen the band and disconnect the coolant return pipe to the climate control heater, thermostat side.2. Release the electrical wiring (2a) from the band (2b).

1. Undo the lower bolts (1a) and upper central bolt (1b) securing the air chamber to the cylinder head.

1. Undo the remaining upper side bolts (1a) and remove the air chamber (1b) assembly.

Proceed with removal - 1072C44 exhaust manifold heat shield on bulkhead - r+r Proceed with removal - 1072C16 exhaust manifold with catalytic converter - r rUndo the bolt fixing the engine oil dipstick tube.1. Undo protective caps (1a), then undo cylinder head extension bolts (1b).2. Slightly raise the cylinder head extension and insert the tool.

	Name	Country
2	Tappet retaining tool	1.860.988.000

Remove the single cylinder head extension.Remove the gasket.

Refitting ( Removing

) Refit a new right cylinder head extension gasket.Refit the single cylinder head extension.1. Remove the tool.

	Name	Country
1	Tappet retaining tool	1.860.988.000

2. Tighten the bolts securing the single cylinder head extension to torque.

	Fastening	Component	Ø	Value(daNm)
2	Bolt	CYLINDER HEAD EXTENSION	M8	1.4 ÷ 1.7

3. Tighten the protective caps to the specified torque.

	Fastening	Component	Ø	Value(daNm)
3	Plug	CYLINDER HEAD EXT FASTENERS	M16	1.4 ÷ 1.7

Tighten the bolt fixing the engine oil dipstick pipe. Proceed with removal - 1072C16 exhaust manifold with catalytic converter - r r . Proceed with removal - 1072C44 exhaust manifold heat shield on bulkhead - r+r . Refit in its seating the air capacity chamber assembly, and tighten the bolts to the specified torque.

	Fastening	Component	Ø	Value(daNm)
-	Bolt	INLET AIR DUCT	M6	0.6 ÷ 0.8

Secure the engine electrical wiring with the bands.Connect the engine coolant return pipe from the climate control system heater, thermostat side, and tighten the band.Secure the vacuum pipe for the brake servo using the band.Connect the brake servo one-way valve to the brake servo.Place the engine electrical wiring back in its housing and fasten to the air chamber using the bands.Connect the electrical connection to the air conditioner compressor electromagnet.Connect the electrical connection for the knock sensor.Connect the earth lead and fix it using the nut.Connect the electrical connection to the starter motor, secure it with the nut and close the protective cover.Connect the electrical connection to the engine oil pressure warning light switch.Connect the electrical connection for the rpm sensor.Connect the rapid connector for the fuel vapour recirculation pipe to the air chamber.Connect the electrical connection to the intake air temperature/pressure sensor and secure the electrical wiring with a collar.Connect the earth lead to the air conditioner compressor and fix it using the nut. Connect the electrical connection to the fuel vapour solenoid valve.Fasten the engine electrical wiring using a band.Connect the earth lead to the injection-ignition system control unit and secure with the nut. Connect the electrical connections to the fuel injection/ignition control unit. Connect the electrical connection to the throttle body integral with M.D.S.Connect the electrical connection to the engine coolant temperature sensor.Connect the electrical connection for the rear Lambda sensor for the catalytic converter.Connect the electrical connection for the front Lambda sensor for the catalytic converter.Connect the electrical connection to the cam angle sensor. Connect the lower coolant outlet hose from the radiator, radiator side, and tighten the band.Connect the upper coolant inlet hose to the radiator, thermostat side, and tighten the band. Place the hose from the air filter to the intake manifold back in its housing, connect it to the intake manifold and tighten the band.Connect the engine oil vapour inlet pipe to the intake manifold.Connect the engine oil vapour intake pipe to the tappet cover and tighten the band. Proceed with refitting - 5530B52 Battery DRIP TRAY/SUPPORT - R.R. . Proceed with refitting - 5530B10 battery - r+r . Refill the engine cooling system with coolant - 0010T20 coolant change .