Remove/Install Left Bypass Air Switchover Valve - AR09.40-P-0007MNM

Engine 177 in model 217, 222 

Fig 1: Left Bypass Air Switchover Valve Components Location - Engine 177 In Model 222

Courtesy of MERCEDES-BENZ USA

Topical note	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
Topical note	Notes on avoiding damage through contamination and foreign objects		AH00.00-P-5000-01A
	Remove/install
1	Switch off ignition and store transmitter key outside of transmission range (at least 2 m)
2	Remove upper engine cover	:  Only install top engine cover after the leak test.
3	Release and disconnect electrical connector (1) of left bypass air switchover valve (Y101/1)
4	Remove screws (2)	Bolt, bypass air switchover valve to bypass valve connecting housing	*BA09.41-P-1013-01X
5	Remove left bypass air switchover valve (Y101/1)	:  Replace sealing ring.
6	Install in the reverse order
7	Read out and erase fault memory
			AD00.00-P-2000-04B
	Risk of accident  from vehicle starting off by itself when engine running. Risk of injury  (bruises and burns) resulting from working on the engine while it is being started or when it is running.	Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.	AS00.00-Z-0005-01A
8	Perform an engine test run and check engine for proper operation and leaktightness
9	Install upper engine cover

CHARGE AIR LINE/CHARGE AIR COOLING

Number	Designation		Engine 177
BA09.41-P-1013-01X	Bolt, bypass air switchover valve to bypass valve connecting housing	Nm	8