Remove/install expansion reservoir

AR20.30-B-4950XA

Remove/install expansion reservoir

04.07.2019

Engine

904 in model 368.004

Engine

906 in model 368.054/154

Engine

924 in model 368.052/054, 685.282/284/289/290

Engine

924.913 in model 368.004/104

Engine

926 in model 368.150/154

1

Coolant hose

2

Coolant hose

3

Coolant hose

4

Fastening bolt

5

Expansion tank

1

Coolant hose

2

Coolant hose

3

Coolant hose

4

Fastening bolt

5

Expansion tank

6

Coolant level sensor

 

Remove/install

1

Open the engine compartment hood

 Warning

Risk of injury to skin and eyes suffering scalding from contact with hot coolantspray. Risk of poisoning from swallowing coolant.

Do not open cooling system unless coolant temperature is below 90 °C. Open cap slowly and release the pressure. Do not pour coolant into beverage containers.
Wear protective gloves, protective clothing and safety glasses.

AS20.00-Z-0001-01A

2

Drain the coolant

.

AR20.00-B-1142XA

 Collect the coolant in a suitable container.

3

Loosen the coolant hoses (1,2,3)

 Check the hose and the clamp for damages and replace them if necessary.

4

Disconnect the coolant level sensor (6)

 Only in vehicles equipped with level sensor

5

Loosen the fastening bolt (4) of the buffer tank (5) to the support

6

Remove the equalizing tank (5)

7

Install in the reverse order of the steps