Remove/install low-temperature circuit valve

AR20.00-S-1048EA

Remove/install low-temperature circuit valve

12.09.2019

Engine

654.9 in model 447

1

Low-temperature circuit valve

2

Electrical connector

1

Low-temperature circuit valve

3

Coolant hose

4

Coolant hose

5

Coolant hose

6

Screws

7

Tab

8

Holder

9

Radiator

 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

 Caution

Risk of injury caused by scraping or cutting body parts on sharp vehicle parts

Always wear protective gloves when working on or near sharp and non-deburred vehicle parts.
Deburr repair panels.

AS00.00-Z-0017-01A

Topical note

Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

 

Remove/install

1

Drain off coolant.

AR20.00-S-1142E

2

Remove coolant expansion reservoir with connected coolant lines and place to one side.

AR20.30-S-4949EA

3

Remove air intake pipe.

AR09.10-S-8131EA

4

Disconnect electrical connection (2).

5

Remove coolant hoses (3, 4, 5) from the low-temperature circuit valve (1).

AR20.20-P-7441-01RQ

 Collect escaping coolant in a suitable container.

6

Seal opening on the coolant hoses (3, 4, 5) and on the low-temperature circuit valve (1) using protective covers.

 Set of protective caps

*001589009100

7

Carefully press back shackle (7) and remove low-temperature circuit valve (1) with the holder (8).


Do not break off shackle (7).
Otherwise, the cooler will be (9) damaged.

 Installation: Position holder (8) at the bottom on the cooler (9) and engage the shackle (7).
Insert guide pin (arrow) on the cooler (9) into the holder (8).

 WIS Service Media
wsm://04_ 201901_08

8

Remove screws (6) and remove low-temperature circuit valve (1) from the holder (8).

If a new low-temperature circuit valve (1) is installed.

9

Install in the reverse order.

10

Read out and delete fault memory.

If a new low-temperature circuit valve (1) was installed.



AD00.00-S-2000-04E