Remove/install the throttle valve actuator - AR09.41-P-1321SXI

ENGINE 642 in MODEL 207, 212, 221 

Fig 1: Identifying Throttle Valve Actuator Remove/Install Components

Courtesy of MERCEDES-BENZ USA

	Remove/install
1	Remove engine cover
2	Remove noise damper downstream of charge air cooler	Model 221	AR09.40-P-6925SXI
		Noise silencer downstream of charge air cooler to mixing chamber	*BA09.41-P-1007-01J
3	Remove charge air hose downstream of the charge air cooler		AR09.41-P-8625SXI
4	Remove right air filter housing		AR09.10-P-1150SXI
5	Remove right shield on exhaust manifold	Model 221
6	Loosen bolts on right shield	Model 207, 212 Loosen bolt on bracket and shield on cylinder head. It is not necessary to remove the shield.
7	Disconnect electrical plug connector on throttle valve actuator (M16/6)
8	Remove engine charge air duct downstream of charge air cooler	Model 207, 212	AR09.41-P-8624OGE
		Model 221	AR09.41-P-8624SXI
		Engine charge air duct downstream of charge air cooler to throttle valve actuator	*BA09.41-P-1005-01J
9	Remove holder on throttle valve actuator (M16/6)	Model 221
		Bracket, throttle valve actuator to cylinder head	*BA09.41-P-1006-01J
10	Remove screw/bolt from bracket on throttle valve actuator (M16/6)	Model 207, 212 It is not necessary to remove the bracket.
		Bracket, throttle valve actuator to cylinder head	*BA09.41-P-1006-01J
11	Remove bolts on throttle valve actuator (M16/6)	Throttle valve actuator to mixing chamber	*BA09.41-P-1008-01J
12	Take out throttle valve actuator (M16/6)	Replace seal in order to achieve smooth running of the engine.
13	Install in the reverse order

CHARGE AIR PIPE/CHARGE AIR COOLING

Number	Designation		Engine 642
BA09.41-P-1005-01J	Engine charge air duct downstream of charge air cooler to throttle valve actuator	Nm	9
BA09.41-P-1006-01J	Bracket, throttle valve actuator to cylinder head	Nm	9
BA09.41-P-1007-01J	Silencer downstream of charge air cooler to mixing chamber	Nm	9
BA09.41-P-1008-01J	Throttle valve actuator on mixing chamber	Nm	5