Removing, installing throttle valve control unit · ar0751s1400b · Mercedes-Benz WIS

AR07.51-S-1400B

Removing, installing throttle valve control unit

17.11.98

ENGINE 111.950 in MODEL 638.094 /194 /294 with CODE (MR7) Engine M111 E20 (95 kW) Euro III

ENGINE 111.980 in MODEL 638.094 /194 /294 with CODE (MR8) Engine M111 E20 (105 kW) Euro III

S07.51-2546-06

1 Screw clip

2 Air hose

3 Connector

4 Clip

5 Bolt

6 Intake manifold

7 Intermediate flange

8 Bolt

9 Bracket

10 Electric cable

11 Hose

M33 Throttle valve control unit

 	Removing, installing
1	Disconnect ground cable at battery		AR54.10-S-0005A
2	Unplug connector (3) of throttle valve control unit (M33)	 Installation: pay attention to routing of electric cable (10)
3	Detach hose (11) of purge control valve at throttle valve control (M33)
4	Take off screw clip (1) at air hose (2) and detach air hose (2)
5	Unscrew bolt (8) of throttle valve control unit (M33)		*BA07.51-N-1001-01B
		 Inspect intermediate flange (7), replace if necessary. 
		Replacing intermediate flange at intake manifold	AR09.20-S-1310-08A
			*BA09.20-N-1002-02A
6	Install in the reverse order

 HFM-SFI fuel injection and ignition system

Number	Designation		Engine 111.950/ 980


BA07.51-N-1001-01B	Bolt of throttle valve control unit to intermediate flange	Nm	9

 Intake manifold, intake manifold preheater

Number	Designation			Engine 111.950/ 980


BA09.20-N-1002-02A	Intermediate flange to intake manifold	M8	Nm	21