Remove/install coolant pump switchover valve · ar2010p3000mfe · Mercedes-Benz WIS

AR20.10-P-3000MFE

Remove/install coolant pump switchover valve

18.02.2020

Engine

608 in model 118, 177, 247

Modification notes

17.02.2020

Document completely revised.

P20.10-A069-09

Shown on model 177

1	Coolant line	4	Electrical connector
2	Coolant line	5	Bolts
3	Coolant line	Y133	Coolant pump switchover valve

 Warning	Risk of injury. Skin or eye injuries may result when handling hot or glowing objects.	Wear protective gloves, protective clothing and safety glasses, if necessary.	AS00.00-Z-0002-01A
 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
Topical note	Notes on avoiding damage through contamination and foreign objects		AH00.00-P-5000-01A
Topical note	Notes on coolant		AH20.00-N-2080-01A
 	Remove/install
1	Drain off coolant.		AR20.00-P-1142MFE
2	Release and disconnect electrical connector (4).
3	Remove bolts (5).	 M6	*BA00.10-P-1002-01A
4	Remove coolant lines (1, 2, 3) from coolant pump switchover valve (Y133).		AR20.20-P-7441-01RQ
5	Remove coolant pump switchover valve (Y133) from engine compartment.
6	Install in the reverse order.
7	Read out fault memory and delete if necessary.
			AD00.00-P-2000-06MFA

 Headless screws: bolts and nuts, coarse-pitch thread

ad0000p200006mfa Connect/disconnect diagnostic unit
ah0000p500001a Notes on avoiding damage through contamination and foreign objects
ah2000n208001a Notes on coolant
ah5400p000101a Information on preventing damage to electronic components due to electrostatic discharge
ar2000p1142mfe Drain/pour in coolant
ar2020p744101rq Open, close coolant line coupling
as0000z000201a Risk of injury. Skin or eye injuries may result when handling hot or glowing objects.
as0000z001701a Risk of injury caused by scraping or cutting body parts on sharp vehicle parts
as2000z000101a Risk of injury to skin and eyes suffering scalding from contact with hot coolantspray. Risk of poisoning from swallowing coolant.