Golf Mk4
| Assembly overview - thermostat housing |
| 1 - | O-ring |
| q | Renew if damaged. |
| 2 - | Retaining clip |
| q | Check for secure seating. |
| 3 - | Thermostat housing |
| q | Removing and installing → Chapter |
| 4 - | Bracket |
| 5 - | 10 Nm |
| 6 - | Thermostat |
| q | Note installation position. |
| q | Checking: heat thermostat in water. |
| q | Opening begins at approx. 80 °C. |
| q | Ends at approx. 105 °C. |
| q | Opening lift at least 7 mm. |
| 7 - | Connection |
| 8 - | Seal |
| q | Renew. |
| 9 - | Coolant temperature sender -G62- |
| q | With coolant temperature display sender -G2-. |
| q | For engine control unit |
| q | Before removing, release pressure in cooling system if necessary. |
| 10 - | Plug |
| q | Before removing, release pressure in cooling system if necessary. |
Note
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