O3 179 0 0 5 0 0 z E X L r A l i mm D is Q I 3 0 i i 5 0 l 1 W 0 i M ii 6 2 r n 2 M A g W i l L J li J I IU I I xw i il G i F i L L I 1 S I i 1 9 0 4 1 V i i f l E e Wl l r r f E l ii 1 T o rE y I l s 1 1 I W 2 i i J Qggq virg L4 W W O3 179 A 1976 81 EMISSION CONTROL DEVICES 1 3 670 VALVE EGR Thermal Vac 419459 3 670 VALVE EGR Thermal Vac 560111 2 3 670 VALVE Back Pressure Transducer 419919 N S VALVE Back Pressure Transducer 3 3 670 VALVE Air Diverter Typical 4 3 670 VALVE EGR Typical 5 3 670 VALVE Air Cont 17064300 6 3 760 VALVE Elec Air Cont 17064869 7 3 670 SOLENOID KIT Pulsair Vlv Cont 22017540 8 3 760 SWITCH com Idle vac 14005060 9 3 681 SWITCH EGR Vlv Con t 22506471 10 3 670 SOLENOID EGR 22507856 11 3 670 ACUTATOR Clsd Loop Vac 10001745 12 3 682 SENSOR Barometric Press 16004927 For specific model application usage and part number identification on typical views refer to the individual parts catalog groups Thses illustrations are representative of the actual sen ice parts No scale or size relationship is intended f g Li 1987 GENERAL MOTORS SERVICE PARTS OPEHATlONS OLDSMOBlLE 31A 1 87 3 177 3 000 GROUP