Removing, installing the electric shift valves

AR27.19-S-0221A

17.12.09

ENGINE 111, 601.970, 611.980 in MODEL 638 with CODE (G40) Automatic transmission

S27.19-2015-06

1 Torx screw

2 Clip

3 Seal

Y72 Pressure regulator

Y74 Pressure regulator

Y75 Shift valve

S27.19-2016-12

1 Torx screw

2 Clip

3 Seal

4 Clip

Y71 Pressure regulator

Y73 Pressure regulator

Y76 Shift valve

 	Removing, installing
	Ensure total cleanliness! Use fluff-free cloths!	 Risk of damage due to dirt in the transmission
1	Remove the electrohydraulic control unit	 Transmission installed	AR27.19-S-0200A
		 Transmission removed	AR27.19-S-0210A
2	Remove the cable harness of the electrohydraulic control unit		AR27.19-S-0100A
3	Remove the clips (2,4)		*BA27.35-N-1003-01A
4	Remove the electric shift valves (Y75, Y76)
5	Remove the pressure regulators (Y71 - Y74)
6	Withdraw the seals (3)	 Install: Replace the seals (3)
7	Install in reverse order

 Valve body assembly

Number	Designation		Model 638 with engines 111, 601.970, 611.980


BA27.35-N-1003-01A	Bolt, retaining clip (control valves) to timing case	Nm	6