V3 47 1976 80 EMISSION CONTROL DEVICES E 20 1 3 670 VALVE Egr Typical 4 I E 20 2 3 670 VALVE Air Dvtr Typical E 9 3 3 140 VALVE Vac Ck 497853 E Z3 4 3 681 SWITCH Egr Valve Vac Com 3031385 E 23 5 3 661 SWITCH Egr Valve Vac Com 373510 E 20 6 3 670 SWITCH Egr Valve Vac Com 2 408 3031549 E 20 7 3 670 VALVE Air Ck 22034702 E 23 8 3 680 CONNECTOR Exh Emiss C nr Hose 469550 N 21 9 4 075 RELAY Trans Cum Spark 3961573 NOTE is For specific model application usage and part number rden tfliceytiun an typical vwws relax tu the im1iv1 1uaI parts catalog grcvps These illustrations are reprsentat ve cf tha acrual sarvzce parts Nu scale ur size relationship is intended WAREHOUSING AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION CHEVROLET 1AA 12 83 L 7 3 000 GROUP