Remove/install coolant thermostat

AR20.10-B-2460XB

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.	AS20.00-B-0001-01A
2	Drain the cooling system.	Catch the coolant, replace it if necessary
	Indications on coolant.		AH20.00-B-2080-01A
	Change the coolant		AP20.00-B-2080XA
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).		*BA20.10-B-1001-01G
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.	AR20.10-B-2455XA
8	Install in the reverse order
9	Check the coolant level.	 Replenish, if necessary  .
	Cooling system: Check and reestablish the coolant level and concentration		AP20.00-B-2010XA

Coolant pump, coolant thermostat

Número	Denominação		Engine 457.9


BA20.10-B-1001-01G	Coolant outlet neck (thermostat cover)	Nm	25