Section C THM 200-4R New Parts
NOTE: General groups are listed in alphabetical order Bulletins are listed in previous to most current orderGENERAL
ITEMS MODEL/YEAR BULLETIN NUMBERS SUBJECT SUMMARY
GROUPS
BEARINGS Selective 1982-1983 CAD 83-113 Illustration of new design for selective
and Washer All models CAN 7-164 washer. A new identification tab is
WASHERS CHEV 83-I-91 attached.
CORP 837206
HM 83-31
OLDS 33-11
PONT * 83-I-197
Selective Washer 1982-1983 CHEV 83-I-91 Revision to 83-31. Date of
All models CORP 837206 implementation added.
GMTC 84-B-17
HM 83-31A
OLDS 34-2
PONT* 83-I-160
Worn or Cracked 1983-1984 CAN 7-137 Service package numbers and
Thrust Washer OZ model CORP 847207 description are given when servicing
HM 83-91 rear carrier to lower race.
OLDS 35-1
Hex Head All models BUICK 85-7-4 Describes and illustrates reusable hex
Screws and CAN 5-7114 head screws and conical washer
Conical CHEV 85-36 assembly when servicing any trans-
Washers CORP 857902 mission or transaxle.
GMTC 85-B-44
HM 85-19
OLDS 35-7
PONT * 85-7-7
THM 200-4R NEW PARTS (Cont'd)
NOTE: General groups are listed in alphabetical order Bulletins are listed in previous to most current order
GENERAL
ITEMS MODEL/YEAR BULLETIN NUMBERS SUBJECT SUMMARY
GROUPS
CLUTCHES 3-4 Accumulator 1982 BUICK 82-I-94 Beginning mid-October all THM 200-4R
and Piston and "O-ring" CAD I-2100 were built with new design accumulator
BANDS seal CAN 7-136 and "O-ring" seal.
CHEV 82-I-76
CORP 827204
HM 81-65
OLDS 32-7
Rubber Lip All models BUICK 84-7-4 New intermediate servo piston will
Seals CAD T4-73 have rubber lip seals to eliminate soft
CAN 7-129 1-2 and 2-3 shifts.
CORP 847903
GMTC 84-B-62
HM 83-75
OLDS 34-8
PONT * 4-7-16
Servo Cover 1985 BUICK 85-7-6 Design changes in the servo cover
Retainer Ring CAN 5-7132 retainer ring are listed along with
CHEV 85-76 required part numbers.
CORP 857905
GMTC 85-B-73
HM 85-33
OLDS 35-10
PONT * 5-7-17
THM 200-4R NEW PARTS (Cont'd)
NOTE: General groups are listed in alphabetical order Bulletins are listed in previous to most current order
GENERAL
ITEMS MODEL/YEAR BULLETIN NUMBERS SUBJECT SUMMARY
GROUPS
CONTROL Solid Bushing 1982-1983 HM 83-01 New control valve assembly will have
VALVE solid bushing in it to direct oil flow.
ASSEMBLY
Intermediate 1983 BUICK 83-195 This new servo assembly is to reduce
Servo BR model CAN 7-181 erratic shifts. Lists part numbers.
Assembly CHEV 83-T-72
CORP 837213
HM 83-06
PONT* 83-T-51
Service 1983-1984 BUICK 4-2008A Two new service packages went into
Packages BT, BY CAN 7-148 production to correct harsh 1-2 shift.
Models CORP 847208
HM 84-06A
OLDS 35-2
PONT * 4-731A
CONTROL Valve 1984 HM 84-13 A new valve assembly went into
ASSEMBLY Assembly All models production to correct harsh 1-2 and/or
3-4 shifts.
Service 1983-1984 CHEV 84-216 These 2 new service packages went
Packages BQ and OM CORP 847208 into production to correct soft or
model HM 84-32 slipping 1-2 shift.
OLDS 35-2
PONT * 4-7-31
THM 200-4R NEW PARTS (Cont'd)
NOTE: General groups are listed in alphabetical order Bulletins are listed in previous to most current order
GENERAL
ITEMS MODEL/YEAR BULLETIN NUMBERS SUBJECT SUMMARY
GROUPS
DIFFERENTIAL Rear internal 1982 BUICK 2-I-152 Provides information for servicing
DRIVE AXLE gear and output CAD T83-17 new assembly. Part number
FINAL DRIVE shaft assembly CAN 7-164 indicated.
CHEV 82-T-71
CORP 827205
GMTC 82-B-54
HM 82-16
OLDS 32-9
PONT* 82-T-57
MANUAL Parking Lock 1983 BUICK 83-149 Previous rod assembly has been
VALVE All models CAD T83-108 changed to a one piece assembly.
CAN 7-171
CHEV 83-I-104
CORP 837209
HM 83-33
OLDS 33-11
PONT* 83-I-106
OIL PAN Oil pan Gasket All models BUICK 472004 These new parts will reduce oil
and Bolts CAN 7-122 leaks. Service procedure included.
CHEV 84-104
CORP 847205
GMTC T84-69
HM 83-87
OLDS 34-9
PONT * 4-7-13
THM 200-4R NEW PARTS (Cont'd)
NOTE: General groups are listed in alphabetical order Bulletins are listed in previous to most current order
GENERAL
ITEMS MODEL/YEAR BULLETIN NUMBERS SUBJECT SUMMARY
GROUPS
OIL PUMP Rear Oil Seal All models BUICK 2-I-226 Rear oil seal cleaning and greasing
CAN 7-114 emphasized when replacement is
CHEV 54-3 necessary.
CORP 827901
HM 81-59
Pump Assembly 1981-1982 BUICK 2-T-116 New design pump assembly will
All models CAD 83-75 eliminate a buzz condition. Part
CAN 7-195 numbers and service information
CHEV 2-T-130 given.
CORP 827208
HM 82-30
OLDS 33-3
THM 200-4R NEW PARTS (Cont'd)
NOTE: General groups are listed in alphabetical order Bulletins are listed in previous to most current order
GENERAL
ITEMS MODEL/YEAR BULLETIN NUMBERS SUBJECT SUMMARY
GROUPS
TORQUE Torque 1982-1984 BUICK 84-7-2 New brazing process for converter
CONVERTER Converter OM model CAN 7-120 blades prevents movement of blades
COMPONENTS 1984 CHEV 84-83 and reduction of torque multiplication.
OF, OY models CORP 847901 Potential loss of power in drive
GMTC 84-B-64 and reverse.
HM 83-80
OLDS 34-8
PONT * 4-7-23
Torque 1985 BUICK 85-7-6 Illustration of 298 mm torque
Converter All models CAN 5-7132 converter assembly used with
Lugs CHEV 85-76 diesel engines now with three
CORP 857905 lugs instead of six.
GMTC 85-B-73
HM 85-34
OLDS 35-10
PONT * 5-7-17
Torque All models BUICK 5-7-8 Use of end play measurement tool on
Converter All years CAD T5-82 all torque converters. Chart and
End Play CAN 5-7138 Illustrations.
Measurement CHEV 57-3
Tool CORP 857907
HM 85-38
OLDS 5-T-24
PONT * 5-7-21