Alfa Romeo
GT Factory Service Manual (2003-2010)
Engine
Cylinder head/s
Left cylinder head – r.r. and replacing gasket

08 · Engine

Left cylinder head – r.r. and replacing gasket

Make: Alfa Romeo
Model: GT Factory Service Manual
Year: 2003–2010
Section: Cylinder head/s › Left cylinder head – r.r. and replacing gasket

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EngineLeft cylinder head – r.r. and replacing gasket

LEFT CYLINDER HEAD – R.R. AND REPLACING GASKET

Operation 1016D20 · CYLINDER HEADS - REMOVE AND RE-FIT

3.2 V6

Removing

Position the vehicle on the ramp.

Ensure that the ignition key is in OFF position, then disconnect the battery negative terminal (-).

	Name	Connector
	Battery	See A1B BATTERY ( BATTERY NEGATIVE )

Drain the air conditioner refrigerant

Op. 5040A10 EXPANSION/CONNECTION PIPE - R R.

Proceed with removal

Op. 4450B04 RIGHT FRONT WHEEL R R.

Proceed with removal

Op. 7055B64 LH OR RH REFLECTOR(ONE) ON REAR BUMPERS - R R.

Proceed with removal

Op. 7055B54 UNDER-ENGINE GUARD - R R.

Proceed with removal

Op. 1092G10 SINGLE ENGINE BELT R R.

Proceed with removal

Op. 1092A10 CRANKSHAFT SERVICES PULLEY - R.R..

Proceed with removal

Op. 1032D12 TIMING SYSTEM PROTECTIVE COVER(S) - R + R.

Proceed with removal

Op. 1016A42 LEFT HAND CYLINDER HEAD IGNITION COIL COVER - R+R.

Proceed with removal

Op. 5510C16 LEFT HAND CYLINDER HEAD IGNITION COIL - R+R.

Proceed with removal

Op. 1016A30 LEFT CAM COVER - R + R AND REPLACE GASKET.

Proceed with removal

Op. 1072B50 SLEEVES CONNECTING AIR CAPACITY BOX TO INLET MANIFOLD IS - R+R.

Proceed with removal

Op. 5510C18 RIGHT HAND CYLINDER HEAD IGNITION COIL - R+R.

Proceed with removal

Op. 1016A34 RIGHT-HAND CAM COVER - R + R AND REPLACE GASKET.

Proceed with removal

Op. 1032B10 TOOTHED TIMING BELT - R + R FOR TIMING ADJUSTMENT OR REPLACEMENT.

Proceed with removal

Op. 1048A48 THROTTLE HEATER SLEEVE - R R.

Proceed with removal

Op. 5530B10 BATTERY - R+R.

Proceed with removal

Op. 5530B52 BATTERY DRIP TRAY/SUPPORT - R.R..

Proceed with removal

Op. 1048A10 AIR CLEANER FILTERING ELEMENT - REPLACE.

Proceed with removal

Op. 7055B42 LH OR RH REFLECTOR(ONE) ON REAR BUMPERS - R R.

Proceed with removal

Op. 7210E10 R.R. FRONT BUMPER.

Proceed with the removal

Op. 5540B76 FRONT LIGHT CLUSTER WITH FOGLAMP ONE LH OR RH R R WITH INTERFERING PARTS REMOVED

(Right and left sides).

Proceed with removal

Op. 7025A34 BONNET LID LOCK (ONE) - R+R OR REPAIR.

Proceed with removal

- 7210A15 R.R. HEADLAMP HOUSING/FRONT WING CROSSMEMBER

Proceed with removal

Op. 1088B20 ENGINE COOLING RADIATOR - R + R.

Proceed with removal

Op. 1080B92 LEFT UPPER LAMBDA SENSOR R R.

Proceed with removal

Op. 1076A70 HEAT SHIELD FOR LEFT CATALYTIC PRECONVERTER R R.

Proceed with removal

Op. 1080B38 LEFT CATALYTIC PRECONVERTER R R OR REPLACE CYLINDER HEAD GASKET.

1. Disconnect the electrical connection for the air conditioning compressor electromagnet coupling.

	Name	Connector
1	Air conditioning compressor engagement electro-magnet	See L20 AIR CONDITIONING COMPRESSOR ENGAGEMENT ELECTRO-MAGNET ( CONNECTORS )

LEFT CYLINDER HEAD – R.R. AND REPLACING GASKET

1. Open the electrical connections box cover.

2. Disconnect the electrical connection for the upper right Lambda sensor.

	Name	Connector
2	Lambda sensor on pre-catalyzer -2	See K16 LAMBDA SENSOR ON PRE-CATALYZER -2 ( CONNECTORS )

3. Disconnect the electrical connection for the rpm sensor.

	Name	Connector
3	Rpm sensor	See K46 RPM SENSOR ( CONNECTORS )

4. Disconnect the electrical connection for the cam angle sensor.

	Name	Connector
4	Timing sensor.	See K47 TIMING SENSOR. ( CONNECTORS )

5. Disconnect the electrical connection for the knock sensor flywheel side.

	Name	Connector
5	Detonation sensor 1	See K50 DETONATION SENSOR 1 ( CONNECTORS )

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

	Name	Connector
6	Engine temperature sender unit	See K36 ENGINE TEMPERATURE SENDER UNIT ( CONNECTORS )

1. Loosen band and disconnect the upper coolant inlet hose to the radiator, thermostat side.

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

3. Loosen the band and disconnect the coolant supply pipe from the climate control heater, thermostat side.

4. Undo the bolts (4a) and remove the thermostat (4b) complete with electrical connections box (4c).

1. Undo the bolts (1a) and remove the intake pipes (1b).

2. Remove the gaskets.

Discharge the fuel system pressure with the tool connected to the bleed valves on the fuel pipe.

	Name	Country
	Rapid connector	1.870.684.000

3. Disconnect the quick-release connector for the front fuel supply pipe, fuel pipe side.

4. Disconnect the electrical connections from the injectors.

	Name	Connector
4	Injector	See N70 INJECTOR

1. Undo the bolts (1a) and remove the fuel pipe (1b), complete with injectors (1c).

1. Undo the bolts (1a) fixing the left head driven pullies using the tool (1b) for counter-torque.

	Name	Country
1b	Counter-torque	1.822.146.000

1. Remove the left head driven pulleys (1a) using the tool (1b).

	Name	Country
1b	Extractor	1.860.954.001

1. Undo the bolts (1a) and remove the timing belt fixed tensioners (1b).

2. Undo the bolts (2a) and remove the left rear protective timing cover (2b).

1. Undo the bolts (1a) and move the power assisted steering pump (1b) aside without disconnecting the pipes.

1. Undo the nuts fixing the left cylinder head using the tool.

	Name	Country
1	Spanner	1.822.121.000

2. Remove the left cylinder head.

Remove the left cylinder head gasket.

Refitting

Place the left cylinder head gasket back in its housing.

Refit the left cylinder head.

1. Tighten the nuts (1a) fixing the left cylinder head to the recommended torque using the angular tightening tools (1b) and (1c).

Lubricate the threads, nuts and washers with engine oil.

Follow the order shown in the diagram for each tightening sequence.

	Fastening	Component	Ø	Value (daNm)
1a	Nut	CYLINDER HEAD	M12	(Engine crankcase side) 2.4 ÷ 2.6 + 228? ÷ 232?

Fastening

Component

Value

(daNm)

Nut

CYLINDER HEAD

M12

(Engine crankcase side) 2.4 ÷ 2.6 + 228? ÷ 232?

	Name	Country
1b	Protractor	1.860.942.000

	Name	Country
1c	Spanner	1.822.121.000

1. Place the power assisted steering pump (1a) complete with pipes back in its housing and fix it tightening the bolts (1b) to the recommended torque.

	Fastening	Component	Ø	Value (daNm)
1b	Bolt	POWER STEERING PUMP	M8	(Support side) 2.3 ÷ 2.8

Fastening

Component

Value

(daNm)

Bolt

POWER STEERING PUMP

(Support side) 2.3 ÷ 2.8

1. Fit the left rear protective timing gear cover (1a) and secure using the bolts (1b).

2. Place the timing belt fixed tensioners (2a) back in their housings and secure them tightening the bolts (2b) to the recommended torque.

	Fastening	Component	Ø	Value (daNm)
2b	Bolt	FIXED TENSIONER	M10	(Cylinder head side) 4.5 ÷ 5.5

Fastening

Component

Value

(daNm)

Bolt

FIXED TENSIONER

M10

(Cylinder head side) 4.5 ÷ 5.5

Place the left head toothed driven pulleys back in their housings and fasten them without tightening the bolts.

Place the fuel pipe, complete with injectors, back in its housing and fix it using the bolts.

Connect the electrical connections to the injectors.

Connect the quick-release connector for the front fuel supply pipe, fuel pipe side.

Place the intake manifolds complete with gaskets back in their housings and fasten them using the bolts.

1. Place the thermostat (1a) complete with electrical connections box (1b) back in its housing and secure it tightening the bolts (1c) to the recommended torque.