Removal and installation of the air pump switchover valve - ra14lh1047305x(7305)

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Engine 104 LH-injection

Operation No. of operation texts and operation values or standard texts and flat rates; 14-7305

Fig 1: Identifying Air Pump Switchover Valve And EGR Switchover Valve Nut With Electrical Connector

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Cover over headlamp	remove, install.
Electrical connector (arrow) at air pump switchover valve (Y32)	detach, plug in.
	NOTE: The Air pump switchover valve (Y32) is located behind the right hand headlamp.
Vacuum hose (tr/vi/bl)	detach, fit on.
	Installation instruction Pay attention to color coding on vacuum hose (see Function diagram air injection and exhaust gas recirculation 14-1310).
Vacuum hose for check valve	detach, fit on.
Fastening nut on EGR switchover valve (Y27)	unscrew, screw on. Pay attention to washer.
EGR switchover valve (Y27) with bracket	detach at support, attach.
Air pump switchover valve (Y32)	detach at support, attach.
LH control unit fault memory	read out, erase if necessary (see Diagnosis Manual Engine, Volume 2, Register 0).