Exhaust System: Service and Repair

AR49.10-P-7100MMI Remove/Install Components For Exhaust System
ENGINES 152 in MODEL 172





1 Catalytic converter
2 Rear muffler

G3/3 Left oxygen sensor upstream of catalytic converter
G3/4 Right oxygen sensor upstream of catalytic converter
G3/5 Left oxygen sensor downstream of catalytic converter
G3/6 Right oxygen sensor downstream of catalytic converter
Y93/1 Left exhaust flap switchover valve
Y93/2 Right exhaust flap switchover valve





7 Electrical connector
8 Nuts
9 Exhaust flap

Y93/1 Left exhaust flap switchover valve
Y93/2 Right exhaust flap switchover valve