Remove/install divert air switchover valve · ar0940p3000mnb · Mercedes-Benz WIS

AR09.40-P-3000MNB

Remove/install divert air switchover valve

26.04.2016

Engine

178 in model 190

Modification notes

26.04.2016

Schraube Umschaltventil Schubumluft an Anschlussgehäuse Bypassventil

Motor 178

BA09.41-P-1013-01X

1	Circulating air switchover valves
2	Electrical connections
3	Screw/bolts

P09.40-2531-06

 	Remove/install
1	Open engine hood		AR88.40-P-1000RG
2	Remove upper engine cover
3	Separate electrical connections (2)
4	Remove screw/bolt (3)	 Bolt, bypass air switchover valve to bypass valve connecting housing	*BA09.41-P-1013-01X
5	Remove circulating air switchover valves (1)	 Installation: Install new sealing rings.
6	Install in the reverse order
7	Read out fault memory using the diagnostic system and clear if necessary
			AD00.00-P-2000-04B
 Danger !	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	Carry out an engine test run, checking the engine for proper operation and leaktightness

 Charge air line/charge air cooling

Number	Designation		Engine 178
BA09.41-P-1013-01X	Bolt, bypass air switchover valve to bypass valve connecting housing	Nm	8

ad0000p200004b Connect STAR DIAGNOSIS and read out fault memory
ar8840p1000rg Opening engine hood, moving to upright position and closing
as0000z000501a 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.