Removing and installing idle speed control (ISC) actuator - AR30.22-P-1152D

ENGINE 104.94/99, 111.920 /921 /94 /96 /970 /973 /974 /975 /977 (except, 104.990)

Fig 1: Identifying Idle Speed Control Components

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Engines 111.92/940/41/44/960/61/975

Fig 2: Identifying Crankcase Vent Hose

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig. item, etc.	Work instructions
	Remove air cleaner cross pipe, install	Except engine 111.943/944/947/973/975	AR09.10-P-8031G
	Charge air pipe	Engine 111.943/944/947/973/975
	Remove resonance flap, install	Engine 104	AR09.20-P-1791D
1	Crankcase vent hose	Engine 111.92/940/41/44/960/61/975 Pay attention to installation position. Arrows must be positioned opposite each other.
4/11	Connection fitting	Engine 104 Pay attention to installation position
35/3	O-ring	Inspect, replace if necessary. Oil to facilitate installation.
M16/6	Idle speed control (ISC) actuator
	Needle bearing of idle speed adjuster modified	Engine 111.941/944/96/975	BT30.22-P-0001-01A