Section C THM 700-R4 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 Rod End All models CAN 7-175 Beginning with serial number 3TC152D
and Clip CHEV 83-I-103 all 700-R4 are being built with a
WASHERS CORP 837823 new rod end clip which features a
GMTC 83-B-122 wider cross section and a stiffening rib.
HM 83-19
PONT * 83-I-104
Snap Ring All models CAN 7-162 Beginning 9/1/83 all 700-R4 were
CHEV 83-I-85 built with a revised snap ring for the
CORP 837816 reaction sun gear and Lo and Reverse
GMTC 83-B-99 spring retainer to case.
HM 83-42
PONT * 83-I-90
Hex Head All models CAN 85-7-114 Describes and illustrates reusable hex
Screws and CHEV 85-36 head screws and conical washer
Conical Washers CORP 857902 assembly when servicing any trans-
GMTC 85-B-44 mission or transaxle.
HM 85-19
PONT * 85-7-7
THM 700-R4 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 Input Housing All models CAN 7-157 This new assembly will have two rows
and & Shaft CHEV 83-I-88 of drain holes which will reduce gear
BANDS Assembly CORP 837820 clash during transfer case shifting.
GMTC 83-I-104
HM 83-15
PONT * 83-I-95
Oil Pressure 1983 CAN 7-147 This new oil pressure plug will be used
Plugs All models CHEV 83-I-79 at the 2nd, 3rd and 4th clutch
CORP 837811 pressure tap locations. Illustration
GMTC 83-B-88 provided.
HM 83-17
PONT * 83-I-87
2-4 Servo All models CAN 7-108 This new servo cover and seal will
Cover and CHEV 83-I-115 eliminate leaks which may occur at the
Seal CORP 837827 2-4 servo cover.
GMTC 84-B-72
HM 83-20A
PONT * 83-I-124A
Clutch Housing 1983 CAN 7-137 New turbine shaft will accommodate a
Turbine Shaft CHEV 83-I-67 245 mm converter assembly.
CORP 837808 Charts given with part numbers.
GMTC 83-B-87
HM 83-23
PONT * 83-I-76
THM 700-R4 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 Input Housing All models CHEV 84-117 This new input housing and shaft
and Shaft Assembly CORP 847806 assembly has a check valve
BANDS GMTC 84-B-66 retainer pressed into the housing.
HM 83-107
PONT * 84-7-14
Input Housing 1982-1984 CAN 7-150 Went into production April 16, 1984
Shaft Assembly All models CHEV 84-177 to correct burned forward clutch,
Oil Pump CORP 847810 overrun clutch, and 3rd and 4th
Assembly GMTC 85-B-1 clutch plate assemblies.
HM 84-05
PONT * 4-7-35
Forward Clutch 1982-1985 CHEV 85-63 Beginning in 1984 all models will be
Plate Assembly All models CORP 857805 produced with thicker clutch plates.
GMTC 85-B-65 Replacement part numbers are also
HM 85-21 given.
PONT* 5-7-16
THM 700-R4 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 Pinched TCC 1983 CAN 7-140 Washer has been installed on valve
VALVE Solenoid Wires All models CHEV 83-I-78 body to hold TCC solenoid wires to
ASSEMBLY CORP 837809 prevent pinching during assembly and
GMTC 83-B-86 testing. Illustration provided.
HM 83-37
PONT* 83-I-82
Assembly and 1982-1983 CAN 7-212 New control valve bodies and spacer
Spacer Plate All models CHEV 84-43 plates went into production March 25,
CORP 837837 1983 to correct manual 2-1 harsh feel.
HM 83-46A
PONT * 83-T-64
Accumulator 1982-1983 CAN 7-178 Accumulator spring usage chart listed
Spring CHEV 83-109 for spring usage and location.
GMTC 83-B-115
HM 83-50
PONT * 83-I-115
New Design 1982-1985 CAN 7-135 Additional information on the new design
Control valve All models CHEV 85-71 control valve assembly in reference to
body CORP 857806 service bulletins HM 83-81 and HM 83-
GMTC 85-B-75 81 A.
HM 83-81B
PONT * 85-7-3
Link Detent All models CAN 7-113 This change provides a new retention of
Lever to CHEV 83-129 the detent lever to manual valve link
Manual Valve CORP 837841 without the clip. Illustration.
GMTC 84-B-57
HM 83-97
PONT * 83-I-178
THM 700-R4 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 CAN 7-114 Installation instructions emphasized for
CHEV 54-3 cleaning and greasing when replacement
CORP 827901 is necessary.
HM 81-59
Cover Gasket 1983-1984 CAN 7-211 New covers and gaskets went into
All models CHEV 84-61 production to stop oil exhaust from vent.
GMTC 84-B-44
HM 83-84A
PONT * 84-7-5A
Pump Assembly 1985 CAN 5-7147 New assembly went into production
YA, YC & YZ CORP 857810 March 4, 1985. Identification and
models HM 85-44 illustrations are given.
PONT * 85-7-30
THM 700-R4 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 CAN 7120 blades prevents movement of blades and
COMPONENTS CHEV 84-I-93 reduction of torque multiplication.
CORP 847901 Potential loss of power in drive and
HM 83-80 reverse.
OLDS 34-8
PONT * 4-7-23
Torque 1985 CAN 5-7132 Illustration of 298 mm torque converter
Converter Lugs All models CHEV 85-76 assembly used with diesel engines now
CORP 857905 with three lugs instead of six.
GMTC 85-76
HM 85-34
PONT * 5-7-17
End Play All models CAN T5-82 Use of end play measurement tool on
Tool All years CHEV 57-3 all torque conveners is given. Illustration
CORP 857905 and chart provided.
GMTC 5-7-21
HM 85-38
PONT * 5-7-21