i O3 194 I O owl t 3 v We W s j l l R 1 E U i I 5 1 t i ma GW ri 1 Q E W I ln 3 1 i E S 2 tl l c O I gg 3 I i bf 41 9 ry 1I i I in Y s 4 E If x X l I 03 194 1976 81 EMISSION CONTROL DEVICES 9 1 3 670 swrrcu EFE EGR com 3039238 2 3 670 SWITCH EFE com g 3040817 3 681 VALVE EGR Exh EFE Thermal Vac 3033795 3 3 670 VALVE EGR EFE Thermal Vac 3031520 3 670 VALVE EGR 81 EFE Thermal Vac 3037594 4 3 681 SWITCH EGR Vlv Vac Cont 3031385 5 3 681 SWITCH Dist Therma Vac 3039086 3 681 SWITCH Thermal Vac 3039246 3 681 SWITCH Dist Thermo Vac 3042272 6 3 681 swrrcu EGR vac com 373510 3 670 SWITCH EGR Vac Cont 460408 3 670 SWITCH EGR Vac Cont 460586 7 3 681 VALVE Dist Thermal Vac 546895 8 3 681 VALVE Vac Cont L 10003252 9 3 670 VALVE Elec Cont W Envir Cont Vac 10001788 10 3 670 VALVE Air By Pass 1256293 3 670 VALVE Air By Pass 1257793 11 3 670 VALVE EGR Thermal Vac 413158 1 2 3 670 VALVE Back Pressure Transducer 551083 For specific model application usage and part number identification on typical views refer to the individual parts catalog groups These illustrations are representa tive of the actual service parts No scale or size relationship is intended Y 1987 GENERAL MOTORs SERVICE PARTS 0PERA1r0Ns 0L sM0s1LE 31A 1 3 000 GROUP l 3 176 7 87