Thermostat - r + r with cylinder head removed
- Make
- Alfa Romeo
- Model
- GT Factory Service Manual
- Year
- 2003–2010
- Section
- Engine cooling › Thermostat - r + r with cylinder head removed
THERMOSTAT - R + R WITH CYLINDER HEAD REMOVED
Removing
Position the cylinder head on a special workbench.
1. Disconnect the electrical connection from the engine coolant temperature sensor.
| Description | Connector | |
|---|---|---|
| 1 | Engine temperature sending unit | See K36 ENGINE TEMPERATURE SENDER UNIT ( CONNECTORS ) |
2. Loosen the collar and disconnect the coolant return pipe to the reservoir, then remove.
1. Undo the bolts (1a) and remove the thermostat (1b) complete with O-ring (1c).
Refitting
1. Place the thermostat (1a) in its housing with the o-ring (1b) and secure it by tightening the bolts (1b) to the recommended torque.
| Fastening | Component | Ø | Value (daNm) | |
|---|---|---|---|---|
| 1c | Bolt | THERMOSTAT | M8 | (Cylinder head side) 2.3 - 2.8 |
Connect the coolant return pipe to the coolant reservoir, thermostat side, and tighten the collar.
Connect the electrical connection to the engine coolant temperature sensor.
1. Disconnect the electrical connection from the engine coolant temperature sensor.
| Description | Connector | |
|---|---|---|
| 1 | Engine temperature sending unit | K36 |
1. Undo the bolts (1a) and remove the thermostat assembly (1b).
2. Remove the seal.
Refitting
Fit the thermostat, complete pipe and gasket, and secure it tightening the bolts to the recommended torque.
| Fastening | Component | Ø | Value (daNm) |
|---|
Connect the electrical connection to the engine coolant temperature sensor.
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