Remove/install air pump switchover valve - AR14.30-P-7255TS

ENGINE 156, 272, 273 in MODEL 211 

ENGINE 156, 272.943/964, 273 in MODEL 219 

ENGINE 156 in MODEL 209 

Fig 1: Identifying Air Pump Switchover Valve Components

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

	Remove/install
	Risk of injury  caused by fingers being pinched or crushed  when removing, installing or aligning hoods, doors, trunk lids, tailgates or sliding roof.	Keep body parts and limbs well clear of moving parts.	AS00.00-Z-0011-01A
	Notes on avoiding damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
1	Switch ignition off, remove ignition key (transmitter key).	On vehicles with code 889 Keyless Go: Press Keyless Go start/stop button repeatedly until the ignition is switched off. Remove keyless go transmitter card or transmitter key from vehicle and store outside of transmission range (min. 2 m)
2	Pull out front engine cover (1) from mounts.
3	Disconnect the pneumatic lines (2) at the air pump switchover valve (Y32)	Never use pointed or sharp tools to remove pneumatic lines (2), otherwise these may be damaged. Check pneumatic lines (2) for wear and damage; replace them if required.
4	Disconnect electrical plug connector (3) on the switchover valve for air pump (Y32)
5	Lift off locking tab (4) and pull off air pump switchover valve (Y32) from bracket (5)
6	Install in the reverse order