Remove/Install Wide Open Throttle Vent Line - AR01.20-P-0020MSC

Engine 256.9 In Model 167 

Courtesy of MERCEDES-BENZ USA

	Risk of injury  to skin and eyes due to handling of engine oil. Risk of poisoning  caused by swallowing engine oil	Wear protective gloves, protective clothing and safety glasses. Do not fill engine oil into beverage containers.	AS18.00-Z-0001-01A
Topical note	Notes on avoiding damage through contamination and foreign objects		AH00.00-P-5000-01A
	Remove/install
1	Remove upper service flap.		AR01.10-P-2405-02MSC
		Nut to wiper arm on front windshield wiper system	*BA82.30-P-1001-01R
		M6X1	*BA00.10-P-1002-04A
2	Remove engine air intake duct downstream of air filter housing.	Air filter housing remains in vehicle.	AR09.10-P-8130MSC
3	Remove front noise insulation.
4	Remove screw (4).	Bolt breather adapter to exhaust gas turbocharger	*BA01.20-P-1014-01L
5	Remove purge line (2) from full load bleed line (1).
6	Remove full load bleed line (1) from charge air line.
7	Remove partial load bleed line (3) from full load bleed line (1).
8	Remove wide open throttle bleed line (1) from oil separator (5).
9	Remove full load bleed line (1) from exhaust gas turbocharger and take out.
10	Install in the reverse order.

METRIC SCREWS/BOLTS AND NUTS AS PER MBN 10 105, 10 143

Number	Designation		8.8	10.9
BA00.10-P-1002-04A	M6X1	Nm	9	13

CRANKCASE VENTILATION, CYLINDER HEAD COVER

Number	Designation		Engine 256.9
BA01.20-P-1014-01L	Bolt, breather adapter to exhaust gas turbocharger	Nm	8

WINDSHIELD WIPER

Number	Designation		Model 167
BA82.30-P-1001-01R	Nut to wiper arm on front windshield wiper system	Nm	30