Withdrawal
Remove the hood. In the presence of. unfasten the bracket. Remove engine cover. Remove the sound insulation underneath. Drain coolant.
Disconnect the engine coolant hose -arrow- from the front connector.
Unscrew bolts -arrows- and remove connector. Turn the thermostat clockwise by approx. 90°and remove it from the connection socket. Remove seal. ring.
Installation
Install in reverse order, but the seal must be replaced. O-ring. Clean or process the sealing surface under the seal. ring. Insert regulator -3- with new seal. ring -2- into the connecting fitting -1-. For installation, the thermostat bracket must be horizontal, as shown in the figure.
Lubricate seal. ring -2- concentrate "G12+". Turn thermostat counterclockwise -arrow- by approx. 90°. Fill up the coolant.
Tightening torques:
- Connecting fitting to cylinder block: 15 Nm
- Engine compartment cover to bracket: 5.5 Nm
Thermostat check
Heat the removed thermostat in a bath of water.
Start of opening | End of opening | Opening progress |
about 87°C | about 102°С1) | min. 8 mm |
1) It's impossible to check.
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