Remove/Install Low Temperature Circuit Switchover Valve - AR09.41-P-0130MFG

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Engine 139 in model 118, 177, 247.7

Fig 1: Low Temperature Circuit Switchover Valve 2 Components Location - Model 118 In Engine 139 (Shown On Model 177)

Courtesy of MERCEDES-BENZ USA

Shown on model 177

	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
	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 overpressure. Do not pour coolant into beverage containers. Wear protective gloves, protective clothing and safety glasses.	AS20.00-Z-0001-01A
	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
Notice	Notes on avoiding damage through contamination and foreign objects		AH00.00-P-5000-01A
Notice	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
Notice	Notes on coolant		AH20.00-P-2080-01KOA
	Remove/install
1	Drain coolant of Low Temperature circuit.		AR09.41-P-6834MFG
2	Release and disconnect electrical connector (4).
3	Remove coolant lines (2, 5) from Low Temperature circuit switchover valve 2 (Y73/2).		AR20.20-P-7441-01RQ
		Catch escaping coolant with a suitable container. Set of protective covers	Fig 2
4	Remove screws (3).
5	Remove Low Temperature circuit switchover valve 2 (Y73/2) from holder and coolant line (1).		AR20.20-P-7441-01RQ
		Catch escaping coolant with a suitable container. Set of protective covers	Fig 2
6	Install in the reverse order.

Fig 2: Identifying Set Of Protective Covers (001 589 01 91 00)

Courtesy of MERCEDES-BENZ USA