AR20.10-B-2460XB | Remove/install coolant thermostat | 12.02.16 |
Cumbustion engine 457.9 with Vehicle 382.15# #D, 634.0## #D
B20.10-0017-12
1 Coolant pump
2 Thermostatic valve
3 O-rings
4 Thermostats' cover
5 Cover fastening bolt
6 Hose
| Remove and install | ||
1 | Open the engine compartment cover. | Refer to the body assembly company's instructions. | |
Danger! | Risk of burns due to the high temperature of the coolant. | Previously depressurize system by carefully opening the compensation reservoir cap until the first stage. Do not remove cap if engine temperature is above 90o C. Use necessary personal protection equipment. | |
2 | Drain the cooling system. | Catch the coolant, replace it if necessary | |
| Indications on coolant. | ||
| Change the coolant | ||
3 | Remove the hose (6) from the cover (4). | Check clamps and hose condition (6). Replace if necessary. | |
4 | Remove the bolts (5) and the cover (4). | | |
5 | Remove the O-rings (3). | Installing: Replace the O-rings (3). | |
6 | Remove the thermostats (2). | Installing: Observe the correct position of the thermostats (2); the air outlet orifice (arrow) must be pointing up. | |
7 | Check the thermostats (2). | Test the thermostats. | |
8 | Install in the reverse order | ||
9 | Check the coolant level. | Replenish, if necessary . | |
| Cooling system: Check and reestablish the coolant level and concentration |
Coolant pump, coolant thermostat