Remove/install expansion reservoir

AR20.30-P-4950RT

Remove/install expansion reservoir

08.11.2018

Engine

113, 156, 272, 273, 276, 642 in model 251

1

Cap

2

Coolant expansion reservoir

3

Coolant hose

4

Rubber mount

5

Vent line

6

Nut

S41

Coolant level indicator switch

 

Remove/install

 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

1

Unscrew cap (1) and suction off coolant from the coolant expansion reservoir (2)

Notes on coolant level

AH20.00-P-1142-01CW



Coolant specifications

BB00.40-P-0310-01A



Anticorrosion/antifreeze agents (Sheet 325.0)

BB00.40-P-0325-00A

 Hand pump

*210589007100

2

Detach bleed line (5) from the coolant expansion reservoir (2)

3

Separate electrical connection from coolant level indicator switch (S41)

4

Unscrew nut(6)

5

Detach coolant hose (3) if the coolant expansion reservoir (2) is raised

6

Remove coolant expansion reservoir (2)

 Pull coolant expansion reservoir (2) upward out of the rubber mount (4).

7

Install in the reverse order



Check

8

Check coolant level and correct if necessary

Notes on coolant level

AH20.00-P-1142-01CW

9

Check cooling system for leaktightness

ENGINE 113

AR20.00-P-1010GZ

Engine 156

AR20.00-P-1010GZS

ENGINE 272, 273, 276

AR20.00-P-1010GZC

Engine 642

AR20.00-P-1010GZB

 Warning

Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.

Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.

AS00.00-Z-0005-01A

10

Carry out an engine test run