FUEL EXHAUST CARBURETION 3 670B RELAY SOLENOID SWITCH VALVE Emission Control System A I R I Valves Con t 84 I ST1 2 0Y FED ALT 17073430 1 53 50 VALVE AIR INJ CONT PG3 105 46 84 ST1 2 8B CALIF 22048209 1 11 20 VALVE AIR INJ CHK PG3 59 1 85 S1 1 9A 94230981 1 79 00 VALVE AIR SWITCHING PG3 61 17 85 S1 16 2 8B M TRNS FED 17085880 1 62 50 VALVE AIR INJ CONT PG3 1 10 69 85 S1 16 2 8B ALT 17085880 1 62 50 VALVE AIR INJ CONT PG3 1 10 69 85 S106 03 53 2 8B ALT 17085880 1 62 50 VALVE AIR INJ CONT PG3 110 69 85 S108 03 2 88 ZW9 ALT 17085880 1 62 50 VALVE AIR INJ CONT PG3 1 10 69 85 T1 2 8B M TRNS FED 17085880 1 62 50 VALVE AIR INJ CONT PG3 110 69 85 T1 2 88 ALT 17085880 1 62 50 VALVE AIR INJ CONT PG3 110 69 86 ST1 2 8R 17088015 1 78 25 VALVE AIR INJ CONT PG3 122 58 86 88 ST1 2 8R 22048209 2 11 20 VALVE AIR INJ ENG CHK PG3 59 1 87 90 ST1 2 8R 17087172 1 60 75 VALVE AIR INJ CONT PG3 62 11 3 670C SOLENOID TRANSDUCER VALVE Emission Control Systern EGR Control 82 83 S1 2 8B A TRNS MV9 CALIF 1997566 1 39 75 SOLENOID E G R VAC CONT BLEED VLV PG3 119 6 83 S1 2 0Y A TRNS MD8 1997624 1 21 70 SOLENOID E G R VAC CONT BLEED VLV 86 88 ST1 2 8R 14092278 1 N L SOLENOID E G R VLV ELEK VAC REG VLV PG3 121 17 87 88 ST1 2 5E LN8 14102002 1 N L SOLENOID EGR C VLV RLY PG3 93 12 89 90 S1 03 53 2 5E LN8 14102002 1 N L SOLENOID EGR C VLV RLY PG3 93 12 89 90 ST1 4 3Z EXC NM8 EXPORT 10068570 1 54 00 SOLENOID E G R VLV EXH PRESS REG VLV PG3 94 3 82 85 ST1 1 9A 94215082 1 71 50 TRANSDUCER BK PRESS PG3 98 93 V 88 ST1 4 3Z 10068570 1 54 00 VALVE EGR VLV EGR ELEK VAC REG SOL PG3 94 3 88 90 ST1 2 8R 10068570 1 54 00 VALVE EGR VLV EGR ELEK VAC REG SOL PG3 94 3 3 670D VALVE Emission Control System EGR Valves 82 S1 2 8B M TRNS M73 M77 FED 2 73 3 08R EXC ZW9 17068225 1 65 33 VALVE E G R PROD 17082730 82 S1 2 8B A TRNS FED ALT EXC ZW9 17068229 1 65 33 VALVE E G R PROD 17082734 82 S1 2 8B M TRNS CALIF I 2 73 3 08R 17068233 1 65 33 VALVE E G R PROD 17082738 82 S1 2 8B A TRNS CALIF 2 73 3 08R I 17068234 1 65 33 VALVE E G R PROD 17082739 82 S1 2 88 M TRNS CALIF 2 56R 17068234 1 65 33 VALVE E G R PROD 17082739 82 S106 2 88 M TRNS FED 2 56 3 08R 4 17068226 1 65 33 VALVE E G R PROD 17082731 82 S108 2 8B M TRNS FED E37 E63 17068226 1 65 33 VALVE E G R PROD 17082731 82 S108 2 8B M TRNS FED ALT ZW9 17068229 1 65 33 VALVE E G R PROD 17082734 I 82 85 ST1 1 9A 942123001 K1 80 75 VALVE E G R PROD 94212300 PG3 98 71 83 S1 2 0Y A TRNS MD8 ALT 17079618 1 65 33 VALVE E G R PROD 17083722 83 S1 2 8B ALT ZW9 17079626 1 65 33 VALVE E G R PROD 17083730 83 S1 2 8B M TRNS 4 SPD FED ZW9 17079626 1 65 33 VALVE E G R PROD 17083730 83 S1 16 2 8B M TRNS M73 M77 FED 3 08R 17068226 1 65 33 VALVE E G R PROD 17083731 83 S1 16 2 8B M TRNS CALIF 17068229 1 65 33 VALVE E G R PROD 17082734 83 S1 16 2 8B A TRNS FED I CALIF 17068229 1 65 33 VALVE E G R PROD 17082734 83 S1 16 2 0Y A TRNS MD8 FED 4 11R 17079622 1 65 33 VALVE E G R PROD 17083726 83 S1 53 2 0Y A TRNS MD8 FED 17079621 1 65 33 VALVE E G R PROD 17083725 83 S105 2 8B M TRNS 3 42R FED 17068228 1 65 33 VALVE E G R PROD 17082733 83 105 106 2 88 A TRNS MD8 CALIF 17068228 1 65 33 VALVE E G R PROD 17082733 83 S105 106 2 8B ALT 17068228 1 65 33 VALVE E G R PROD 17082733 r 83 S106 2 8B M TRNS FED 17068226 1 65 33 VALVE E G R PROD 17083731 83 S106 2 8B M TRNS CALIF 17068227 1 65 33 VALVE E G R PROD 17082732 83 S106 2 8B A TRNS FED 17068229 1 65 33 VALVE E G R PROD 17082734 83 S106 03 2 0Y A TRNS FED 3 73 RATIO 17079620 1 65 33 VALVE E G R PROD 17083724 j 1990 GENERAL MOTORS SERVICE PARTS 0PERATIONS LT TRUCK 52S L REV 10 90 3 27 3 6708 3 670D