Remove/install coolant pump switchover valve

AR20.10-S-3000EA

Remove/install coolant pump switchover valve

12.09.2019

Engine

654.9 in model 447

1

Coolant pump switchover valve

2

Vacuum hose

4

Filter cap

1.1

Tab

3

Vacuum hose

5

Electrical connector

 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

Notes on avoiding damage through contamination and foreign objects

AH00.00-P-5000-01A

Topical note

Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

 

Remove/install

1

Remove air intake pipe.

AR09.10-S-8131EA

2

Disconnect electrical connector (5).

 WIS Service Media
wsm://04_ 201901_07
Operation steps 2 to 5 are shown.

3

Detach both vacuum hoses (2, 3) from the coolant pump switchover valve (1).

 The vacuum hoses (2, 3) have different inside diameters and cannot be interchanged.

4

Seal openings with suitable stop plug.

 Record plug

*129589009100

5

Lift the lug (1.1) and remove the coolant pump switchover valve (1) to the right.

6

Remove the filter cap (4) from the coolant pump switchover valve (1).

If the coolant pump switchover valve (1) is replaced.

 Installation: Check the filter cap (4) and replace if necessary.

7

Install in the reverse order.

8

Read out and delete fault memory.

If the coolant pump switchover valve (1) has been replaced.



AD00.00-S-2000-04E