M CHEVROLET s 3 SERVO COVER Q t 4 6 tw 8 7 7 10 11 12 2 9 13 12 11 LOW AND REVERSE SERVO AND PRESSURE REGULATOR 14 18 19 15 16 17 20 y 1 T 0 M 5 4 21 22 23 24 PG SERVO COVER LOW REVERSE SERVO PRESSURE REGULATOR 1958 62 CAST IRON Key Description Part No Group Qty Key Description Part No Group Qty 1 Cover Low Servo 1958 6 Cyl 3752320 4 212 1 12 Spring Pressure Regulator Valve 1958 8 Cyl 3771724 4 212 1 1958 6 Cyl 3745110 4 216 1 1959 62 3771724 4 212 1 1958 8 Cyl 3759099 4 216 1 1959 62 3759099 4 216 1 2 Modulator Vacuum 3745169 4 205 1 13 Valve Unit Pressure Regulator 3 Spring By Pass Valve 3713688 4 216 1 1958 6 Cyl 3759994 4 216 1 4 Valve By Pass 3713689 4 216 7 1958 8 Cyl first jobs up to trans 5 Seat By Pass Valve 3805429 4 216 1 C 630D 3759998 4 216 1 6 Cap Booster Valve Sleeve 3751270 4 216 1 1958 8 Cyl after jobs after trans 7 Seal Booster Valve Sleeve 3750314 4 216 2 C 630D 3759700 4 216 1 8 Sleeve Booster Valve 1958 6 Cyl 3752322 4 216 1 1959 62 3759100 4 216 1 1958 8 Cyl 3760567 4 216 1 14 Spring Low Servo Piston Return 3754295 4 228 1 1959 62 b Cyl 3764199 4 216 1 15 Rod Low Servo Piston 3702802 4 228 1 1959 62 8 Cyl 3764195 4 216 1 16 Washer Low Servo Apply Piston 9 Plunger Vacuum Modulator 3745179 4 205 1 Spring Seat 3702807 4 228 1 10 Valve Pressure Regulator Booster 17 Spring Low Servo Piston Apply 3710388 4 228 1 1958 6 Cyl 3752321 4 216 1 18 Piston Low Servo 3754294 4 228 1 1958 8 Cyl 3760566 4 216 1 19 Retainer Low Servo Piston Rod Spring 3713624 4 228 1 1959 62 6 Cyl 3764198 4 216 1 20 Ring Low Servo Piston 3719236 4 228 1 1959 62 8 Cyl 3764194 4 216 1 21 Piston Reverse Servo 3709059 4 241 1 11 Sleeve Servo Cover Locating 22 Ring Reverse Servo Piston 3719237 4 241 2 1958 6 Cyl 3750315 4 212 1 23 Spring Reverse Servo Piston Return 3691677 4 241 1 1958 8 Cyl 3759098 4 212 1 24 Gasket Low Servo Cover 3744724 4 212 1 1959 62 3759098 4 212 1 After job after trans C 630D See Valve Unit Key 13 for first jobs