Workshop Manuals Factory service & repair Alfa Romeo
01 General information02 Specifications03 Manufacturing data and tolerances04 Tightening torques05 Fluids and lubricants06 Maintenance07 Diagnostic checks08 Engine09 Clutch10 Gearbox and differential11 Axles and driveshafts12 Brakes13 Steering14 Suspension and wheels15 Heating, air conditioning and auxiliary units16 Electrical equipment17 Body fittings18 Body panels and frame19 Wiring diagrams and electrical functions20 Wiring harnesses21 Connectors and pin-outs22 Fault diagnosis23 Special tools
Alfa Romeo 147 Factory Service Manual (2000-2004)08 · Engine
08 · Engine

Thermostat unit - r+r

Make
Alfa Romeo
Model
147 Factory Service Manual
Year
2000–2004
Section
Engine cooling › Thermostat unit - r+r
EngineThermostat unit - r+r

Thermostat unit - r+r

Operation 1088C30 · Water pump and thermostat

1.9 JTD 8V

Removing

Place the car on a ramp.

- 1016A10 sound-proofing cover - r + r

Raise the lift.

- 5530B10 battery - r+r

- 5530B52 Battery DRIP TRAY/SUPPORT - R.R.

- 7055B54 under-engine guard - r r

1. Undo the upper and lower bolts securing the exhaust gas recirculation pipe to the exhaust manifold.

2. Acting on the band (2a), disconnect and remove the section (2b) of the exhaust gas recirculation pipe.

Thermostat unit - r+r

Position a container suitable for collecting the engine coolant.

Disconnect the lower radiator hose and drain the engine coolant.

Remove the container used for collecting the coolant.

1. Disconnect the upper radiator pipe from the thermostat.

2. Disconnect the water temperature sensor electrical connection.

NameConnector
2Engine temperature sender unitK36
Thermostat unit - r+r

1. Disconnect the recirculation pipe (1a) to the reservoir and the two supply and return pipes (1b) and (2c) to the heater from the thermostat.

2. Disconnect the pipe from the thermostat and from the EGT exhaust gas supply pipe, then remove it.

3. Disconnect the supply pipe from the thermostat to the water pump rigid inlet pipe.

4. Disconnect the pipe (4a) and (4b) from the exhaust gas supply pipe.

Thermostat unit - r+r

1. Undo the bolts fixing the exhaust gas supply pipe to the EGR solenoid valve.

2. Disconnect the pipe from the band for the centre section under the thermostat and remove the rear section of the EGR exhaust gas supply pipe.

3. Undo the bolts fixing the exhaust gas supply pipe mounting bracket to the cylinder head.

Thermostat unit - r+r

1. Undo the nut fixing the exhaust gas supply pipe to the thermostat stud.

2. Undo the bolts fixing the thermostat to the cylinder head.

3. Remove the thermostat unit together with the centre section of the EGR exhaust gas supply pipe.

Thermostat unit - r+r

Refitting

Fit the thermostat / EGR exhaust gas supply pipe centre section assembly.

Tighten the bolts fixing the thermostat to torque.

FasteningComponentØ

Value

(daNm)

BoltTHERMOSTATM82.1 ÷ 2.6

Tighten the nut fixing the exhaust gas supply pipe to the thermostat stud/bolt.

Tighten the bolts fixing the exhaust gas supply pipe to the cylinder head.

Fit the front and rear sections of the exhaust gas supply pipe to the centre section, securing them using the bands.

Tighten the bolts fixing the front section of the exhaust gas supply pipe to the exhaust manifold.

Tighten the bolts fixing the rear section of the exhaust gas supply pipe to the EGR valve.

Connect the electrical connection for the water temperature sensor.

NameConnector
Engine temperature sender unitK36

Connect the flexible rubber pipes disconnected from the thermostat.

- 5530B10 battery - r+r

- 5530B52 Battery DRIP TRAY/SUPPORT - R.R.

- 1016A10 sound-proofing cover - r + r

- 0010T20 coolant change

- 7055B54 under-engine guard - r r

Remove the vehicle from the ramp.

Parts & tools for this job For 2000 Alfa Romeo 147

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