Remove/install CSO oil pump · ar0130p5704l · Mercedes-Benz WIS

AR01.30-P-5704L

Remove/install CSO oil pump

2.3.10

ENGINE 137.970 in MODEL 215.378, 220.178 /878

P01.30-2087-06

1 Cylinder head cover

2 Coolant fitting

3 O-ring

4 Coolant temperature housing

5 Oil pump for cylinder shutoff (CSO)

6 Oil pump O-ring (CSO)

126/1 Combination valve on the left

B40/2 Oil pressure sensor

Y49/1 Left adjustable camshaft timing solenoid

 	Remove/install
Danger!	Risk of injury to skin and eyes due to scalding caused by contact with hot coolant spray Risk of poisoning caused by 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
	Notes on coolant	All engines	AH20.00-N-2080-01A
1	Remove cylinder head cover (1)	Left cylinder head cover	AR01.20-P-5014L
2	Drain/fill in coolant	 At radiator	AR20.00-P-1142HA
			*BF20.00-P-1001-02M
3	Remove coolant fitting (2)	Installation:  Replace O-ring (3).
4	Detach vacuum line to left combination valve (126/1)
5	Remove coolant temperature housing (4) with left combination valve (126/1)		AR20.10-P-2460L
6	Detach connector on the oil pressure sensor (B40/2)
7	Disconnect connector from camshaft timing (Y49/1) solenoid on the left
8	Remove oil pump (5) for cylinder shutoff (CSO)	Installation:  Replace the O-ring (6).
		Sealant path on the CSO cylinder crankcase oil pump on the left.	AH01.30-P-1000-01A
			*000589011000
			*112589002500
			*BA01.30-P-1003-01G
		Loctite sealant 5970	*BR00.45-Z-1013-01A
9	Install in the reverse order
Danger!	Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near the engine as it is running	Secure vehicle to prevent it from moving by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.	AS00.00-Z-0005-01A
10	Run engine and check for leaks

 Cylinder head

Number	Designation			Engine 137


BA01.30-P-1003-01G	Secondary-oil pump for cylinder shutoff on left cylinder head	M6	Nm	8

 Cooling system

Number	Designation			Engine 137.970


BF20.00-P-1001-02M	Cooling system	Total filling capacity	Liters	12
		Filling capacity of anticorrosion/ antifreeze down to -37°C	Liters	6
		Filling capacity of anticorrosion/ antifreeze down to -45°C	Liters	6.6
		Specifications for Operating Fluids	Sheet	BB00.40-P-0310-01A
			Sheet	BB00.40-P-0325-00A

000 589 01 10 00

Torx bit set

Squeeze gun

112 589 00 25 00

Repair materials

Number	Designation	Order number
BR00.45-Z-1013-01A	Loctite sealant 5970	A 003 989 98 20

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