Section C THM 200-C 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 BUICK 83-140 Illustration of new design for selective
and Washer All models CAD 83-113 washer has new identification tab
WASHERS CAN 7-164 attached to it.
CHEV 83-I-91
CORP 837206
HM 83-31
OLDS 33-11
PONT * 83-I-197
Selective 1982-1983 CHEV 83-I-91 Revision to 83-31. Date of
Washer CORP 837206 implementation given.
GMTC 84-B-17
HM 83-31A
OLDS 34-2
PONT* 83-I-160
Hex Head All models BUICK 85-7-4 Describes and illustrates reusable hex
Screws and CAN 5-7114 head screw and conical washer
Conical CHEV 85-36 assembly when servicing any
Washers CORP 857902 transmission or transaxle.
GMTC 85-B-44
HM 85-19
OLDS 35-7
PONT * 85-7-7
THM 200-C 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 Rubber Lip All models BUICK 84-7-4 New rubber lip seals will replace scarf
and Seals CAD T4-73 Teflon seal rings. This should
BANDS CAN 7-129 eliminate soft 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 85-7-7 Design changes in the new style servo
Retainer Ring CAN 5-7137 cover retaining ring are listed along with
CHEV 85-78 required part numbers.
CORP 857906
HM 85-33
OLDS 5-T-23
PONT * 5-7-22
THM 200-C 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 Control Valve 1982 CHEV 82-152 Beginning 1984 all THM 200-C were
VALVE Spacer CORP 827209 being produced with a new control
ASSEMBLY HM 83-41 valve spacer plate with an orificed
PONT * 82-I-240 exhaust to correct coastdown clunk
condition.
2-3 Throttle 1984 BUICK 47200-5 Broken 2-3 throttle valve spring may
Valve Spring CORP 847202 cause no second or third starts,
HM 84-34 no third gear or erratic shifts.
OLDS 34-6
PONT * 4-7-11
Third Oil 1983 BUICK 47200-2 Information on the new third oil
Pressure CAN 7-116 pressure switch is given. lllustration and
Switch CORP 847203 part numbers included.
HM 83-106
OLDS 34-8
PONT* 84-7-8
THM 200-C 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 This new one piece press fit output
DRIVE AXLE, Gear and Output CAD T-8317 shaft assembly will reduce drive line
FINAL DRIVE Shaft Assembly CAN 7-164 rattle.
CORP 827205
GMTC 82-B-54
HM 82-16
OLDS 32-9
PONT* 82-T-57
Forward Clutch 1982 CY, CN, HM 82-33 Illustration and part chart listed for
Housing Turbine PS, HF, CB, CW, identification when ordering this new
Shaft CZ and C9 part.
models
THM 200-C 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 installation emphasizing
CAN 7-114 cleaning.
CHEV 54-3
CORP 827901
HM 81-59
Pump Body 1982-1983 CAN 7-1301 New pump body has the pressure relief
Assembly C7, CN, CO, CK, CHEV 83-I-59 port removed from the body casting.
CB, CW, HB, HF, CORP 837220
HH, HL, PS, C9 GMTC 83-B-76
CS, HO, JJ HM 83-11
PONT* 83-I-64
OIL PAN New Oil Pan, Prior to 1983 BUICK 83-214 Release of new oil pan, hex head
Hex Head Screw, All models CAD T4-37 screw, and conical washer assembly.
and Conical CAN 7-213
Washer Assembly CHEV 83-117
CORP 837214
GMTC 84-B-26
HM 83-89
OLDS 34-5
PONT* 83-T-65
THM 200-C 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 Converter 1982-1984 BUICK 84-7-2 New brazing process for converter
CONVERTER OR model CAN 7-120 blades prevents movement of blades and
COMPONENTS 1981 CHEV 84-93 reduction of torque multiplication.
AS, HT, OT CORP 847901 Potential loss of power in drive and
1983-1984 GMTC 84-B-64 reverse.
OU model HM 83-80
OLDS 34-8
PONT * 4-7-23
Torque 1985 BUICK 47200-5 Illustration of 298 mm torque converter
Converter All models CORP 847202 assembly used with diesel engines now
Lugs HM 85-34 with three lugs instead of six.
OLDS 34-6
PONT* 4-7-11
Torque Converter All models BUICK 5-7-8 Use of end play measurement tool
End Play All years CAN 5-7138 on all torque converters is given. Chart
Measurement CHEV 57-3 and Illustration are included.
Tool CORP 857907
GMTC 5-B-77
HM 85-38
OLDS 5-T-24
PONT * 5-7-21
TRANSMISSION Transmission 1982-1983 CAN 7-115 Two new transmission assemblies went
ASSEMBLIES Assembly CN, HH CHEV 83-T-23 into production to correct 3-2 coast
CORP 837210 down clunk. A new control valve
HM 82-56 assembly released for service.
PONT * 83-T-17