Remove/install coolant thermostat

AR20.10-W-2460J

23.11.10

ENGINE 902.9 in MODEL 375.3, 950.5 /6, 952.5 /6, 953.6, 954.5

ENGINE 902.9 in MODEL 375.1, 970, 972, 974, 975, 976

ENGINE 925.9 in MODEL 970, 972, 974

ENGINE 926.9 in MODEL 950.5 /6, 952.5 /6, 953.6, 954.5, 958.2

ENGINE 926.9 in MODEL 958.0

W20.10-1047-12

Shown on engine 926.9

1 Coolant line

2 Main fuel filter

3 Coolant pump

4 Coolant thermostat

5 O-ring

Arrow Vent opening

 	Remove/install
 Danger!	Risk of injury caused by body parts being pinched or crushed as cab is tilted	Ensure that no one is within tilting range of cab as it is being tilted. Always tilt cab all the way to end position and secure with safety strut.	AS60.80-Z-0001-01A
1	Tilt cab
	Notes on tilting the cab		AH60.80-N-0003-01A
2	Drain coolant at radiator		AR20.00-W-1142J
3	Remove coolant pipe on connection piece and on retarder coolant line	 Only for vehicles with code (BA1) Performance-optimized Voith retarder or code (BA9) Voith secondary retarder R 115 or for vehicles with transmission 723.	AR20.20-W-7450-06J
		 Installation: Install new gasket
4	Remove main fuel filter (2)	 Only if coolant line (1) is tightened down at the coolant pump (3) using 4 bolts.	AR47.20-W-1070J
5	Remove coolant line (1)		*BA20.10-N-1004-01C
6	Remove coolant thermostat (4)	 Installation: install new O-rings (5). Observe installation position of coolant thermostat (4). The vent opening (arrow) must point upwards.
7	Test coolant thermostat (4)	 Only when reusing the coolant thermostat (4).	AR20.10-W-2455A
8	Install in the reverse order

 Coolant pump, coolant thermostat

Number	Designation		Engines 900.9, 902.9, 904.9, 906.9	Engine 924.9, 925.9, 926.9


BA20.10-N-1004-01C	Coolant line coolant thermostat on coolant pump	Nm	25	25