6 020 KNUCKLE ASSY Steering 39 48 Pass exc JB KB 607626 2 forged 3664549 Note 1 A NOTE 1 Enlarge the chamber on the flange plate pilot hole to clear the larger radius Also when using 607626 on 1939 40 models it will be necessary to use 909552 cone 3656535 deflector and 3656536 felt 49 54 Pass 3696323 2 forged 3693446 55 57 Pass 3713906 2 forged 3707555 Note 2 NOTE 2 Upper knuckle attaching holes purposely omitted on late assemblies interchangeability not affected 58 Pass 3749438 2 forged 3441830 59 64 Pass 3828580 2 forged 3828580 6 021 BUSHlNG SPACER Steering Knuckle King Pin 38 40 HB JB KB 593044 4 1V x I D w groove 38 40 HA JA KA KH 41 42 Pass 46 54 Pass 602124 4 1 x 1 51 54 Pass 3693567 4 SPACER strg knuckle strg knuckle upper O D x Wu long 6 022 NUT Steering Knuckle Spindle 38 42 HA JA K A B 46 64 Pass 378137 2 V4 20 hex 6 023 SUPPORT Steering Knuckle 49 52 Pass 3733449 1 left forged 3733449 daub of orange paint 49 52 Pass 3733450 1 right forged 3733450 daub of orange paint 53 54 Pass 3703786 1 right forged 3703786 6 103 ARM Steering Knuckle 59 64 Pass 3772175 1 left forged 3772175 59 64 Pass 3772176 1 right forged 3772176 6 104 BOLT Steering Knuckle Arm 60 64 Pass 1385922 A R strg knuckle arm short bo t 5 002 6 163 RETAINER SHIM Steering Knuckle Upper Control Arm 55 64 Pass 3710586 4 bushing small hole V l D 55 64 Pass 3751282 A R SHIM Vu 6 164 SHAFT UNlT BOLT UNIT BUSHlNG STUD UNIT Steering Knuckle Upper Control Arm 49 54 Pass 3693693 2 inner OO8 oversize thds on shaft Note 1 NOTE 1 Consists of 2 bshgs 1 shaft 2 bshg seals Shaft identified by cross shaped identation or circular V shaped groove with a VI dia punch mark in center on end of shaft 55 57 Pass 3713902 2 Note 2 58 64 Pass 3828299 A R Note 2 NOTE 2 Consists of 1 shaft 2 bushings 2 retainers 2 washers 2 bolts 49 54 Pass 3755752 2 BOLT UNIT pivot outer Note 3 NOTE 3 Consists of 2 bushings 1 bolt and 2 bushing seals 55 56 Pass 3719018 A R BOLT UNIT ball stud attaching 24 x V Note 4 NOTE 4 Consists of 4 bolts 30OM steel 4 nuts 4 washers 55 64 Pass exc Police 427 3711826 4 BUSHING 1Vz O D x 1V O L 55 64 Pass exc Police Taxi 3865827 2 STUD UNIT ball replacement 58 64 Taxi Police lst design 3865825 2 STUD UNIT ball replacement NOTE On late production assys with untapped lubrication fitting holes it is necessary to use self tapping lube fittings or tap new threads for standard type lube fittings 6 166 SEAL FlTTlNG Steering Knuckle Upper and Lower Control Arm 39 48 Pass exc JB KB lower shaft bushing 49 54 Pass 599180 A R upper and lower shaft bushing 39 54 Pass exc JB KB 599199 4 lower pivot bolt bushing 49 54 Pass 3687699 4 upper pivot bolt bushing 57 Pass 761404 2 lower ball stud 58 62 Pass 63 64 Police Taxi 3861869 2 lower ball stud inner 58 62 Pass 63 64 Police Taxi 762599 2 lower ball stud outer 63 Pass 63 64 Police Taxi 770982 2 upr ball stud 55 63 Pass 64 Taxi Police 770982 2 SEAL ASSY upper ball stud 1 x 1 V x 1V 49 54 Pass 9411019 2 FITTING upr shaft rr bshg lub 90 8 964 57 Pass 9417903 A R FITTING upper and lower lub type C or D 90 8 984 j l97O CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATlON P A 30 6 1 6 020 6 166