CLK 320 (208.365) V6-3.2L (112.940) (1999)
Illustrates Engine 166
126
Aspirator shutoff valve (combination valve: check valve integrated)
When air pump is switched off, preventing air being inducted into the exhaust ports, as a result of the flow of the exhaust gases.
Air Shutoff Valve, Function
Air Shutoff Valve, Function
Illustration shows air shutoff valve with integrated check valve
126
Air shutoff valve
126a
Vacuum diaphragm
126b
Check valve
a
to air pump switchover valve
b
Injected air from air pump
c
Injected air to cylinder head