Remove/install a combination valve - AR14.30-P-7100EVO

ENGINE 271.8 in MODEL 172, 204, 207, 212 

Fig 1: Identifying Combination Valve Remove/Install Components

Courtesy of MERCEDES-BENZ USA

	Remove/install
1	Remove engine cover	Grasp with both hands and pry off. Check gasket, replace if necessary. When putting the engine cover in place, ensure that the seal is correctly seated at the oil filler neck. The seal should not be pressed down by the engine cover, but must lie against the engine cover.
2	Detach hose (5) from combination valve (1)
3	Detach vacuum hose (2) from combination valve (1)
4	Remove bolts (3) from combination valve (1)	Bolt, air line to exhaust combination valve	BA14.30-P-1008-02A
5	Remove bolts (4) and take out combination valve (1)	Replace seal.
		Bolt, exhaust combination valve to holder	BA14.30-P-1006-02A
6	Install in the reverse order

AIR SHUTOFF VALVE

Number	Designation		ENGINE 271.8
BA14.30-P-1006-02A	Bolt, exhaust combination valve to holder	Nm	9

AIR SHUTOFF VALVE

Number	Designation		ENGINE 271.8
BA14.30-P-1008-02A	Bolt, air line to exhaust combination valve	Nm	9