Section B THM 700-R4 Service Information and Repair Procedures
NOTE: General groups are listed in alphabetical order Bulletins are listed in previous to most current orderGENERAL
MODEL/YEAR BULLETIN NUMBERS SUBJECT SUMMARY
GROUPS
BEARINGS 1982-1983 HM 83-25 Explanation why the input carrier to output
and All models shaft snap ring should not be reused when reassembling
WASHERS any transmission. Illustration.
All models CAN 7-185 Service information and procedures given when
CHEV 83-I-108 checking for transmission end play. Illustration
CORP 837825 and part description given.
GMTC 84-B-6
HM 83-54
PONT * 83-I-118
CASE 1982-1983 CAN 7-141 Instructions given for installing the output shaft
All models CHEV 83-I-77 yoke to prevent oil seal assembly leaks.
CORP 837810
GMTC 83-B-83
HM 83-18
PONT* 83-I-81
All models CAN 7-131 Service procedure for air checking input housing
CHEV 83-I-60 assembly.
CORP 837804
GMTC 83-B-79
HM 83-22
PONT * 83-I-65
All models CAN 85-7-103 Automatic transmission identification information.
CHEV 84-191
CORP 857989
GMTC 85-B-2
HM 84-25
PONT* 85-7-2
THM 700-R4 SERVICE INFORMATION and REPAIR PROCEDURES (Cont'd.)
NOTE: General groups are listed in alphabetical order Bulletins are listed in previous to most current order
GENERAL
MODEL/YEAR BULLETIN NUMBERS SUBJECT SUMMARY
GROUPS
CLUTCHES All models CHEV 84-9 Parking pawl must be removed when servicing the low
and CORP 837833 and reverse piston. Instructions given.
BANDS GMTC 84-B-12
HM 83-63
PONT * 83-I-150
All models CAN 7-194 Service information for the Forward Spring Clutch is
CHEV 83-T-79 given. Service package numbers are included.
CORP 837830
GMTC 83-B-130
HM 83-68
PONT* 83-I-136
All models CAN 7-124 Service information is given when checking for wear
CHEV 84-103 of pinion washer.
CORP 847805
GMTC 84-B-63
HM 84-04
PONT * 84-7-15
1982-1984 CAN 7-150 Service information is given for inspection of
All models CHEV 84-177 burned overrun clutch, forward clutch, 3rd clutch
CORP 847810 and 4th clutch assembly.
GMTC 85-B-1
HM 84-05
PONT* 84-7-35
1985 CAN 57-3 1985 service manual correction on the Lo and Reverse
All models CHEV 57-3 clutch piston dimensions. Illustration.
CORP 857807
GMTC 85-B-74
HM 85-37
THM 700-R4 SERVICE INFORMATION and REPAIR PROCEDURES (Cont'd.)
NOTE: General groups are listed in alphabetical order Bulletins are listed in previous to most current order
GENERAL
MODEL/YEAR BULLETIN NUMBERS SUBJECT SUMMARY
GROUPS
CONTROL 1982-1983 CAN 7-143 Delete any reference to the throttle exhaust valve
VALVE All models CHEV 83-I-80 in 1982 thru 1983 service manuals.
ASSEMBLY CORP 837843
GMTC 83-B-85
HM 83-24
PONT * 83-I-86
1982-1983 CAN 7-178 Accumulator spring usage chart listed for spring
CHEV 83-109 usage and location.
CORP 837824
GMTC 83-B-115
HM 83-50
PONT * 83-I-115
All models CAN 7-103 Starting 1984 the 700-R4 is being produced with a
CHEV 84-11 T.V. exhaust check ball in the control valve
CORP 837835 assembly.
GMTC 84-B-14
HM 83-72
PONT * 84-T-57
1982-1985 CAN 7-126 Procedure given for air check of the 3rd and 4th
All models CHEV 84-107 clutch piston. Illustration.
GMTC 84-B-78
HM 83-81A
PONT * 84-7-18
1982-1985 HM 83-81B Additional information on new control valve assembly
All models referenced in service bulletin HMD 83-81A.
1983-1984 CAN 7-111 Service procedure given for removal and inspection
All models CHEV 84-68 of the control assembly to prevent lock-up in
CORP 847801 reverse.
GMTC 84-B-28
HM 83-99
PONT * 84-7-6
THM 700-R4 SERVICE INFORMATION and REPAIR PROCEDURES (Cont'd.)
NOTE: General groups are listed in alphabetical order Bulletins are listed in previous to most current order
GENERAL
MODEL/YEAR BULLETIN NUMBERS SUBJECT SUMMARY
GROUPS
OIL PUMP All models CAN 7-114 Installation instructions emphasized for cleaning and
CHEV 54-3 greasing when replacement is necessary.
CORP 827901
HM 81-59
All models CAN 7-136 Four procedures are given for checking possible
CHEV 83-T-86 points for lack of lubrication when transmission
CORP 837818 shows signs of being burned.
GMTC 83-B-97
HM 83-30
PONT* 83-I-93
All models CAN 7-161 Bulletin suggests inspection of the "O-ring", oil
CHEV 83-T-62 filter body, and filter retaining clip when
CORP 837821 diagnosing low oil pressure or pump condition noise.
GMTC 3-B-107
HM 83-45
PONT* 83-T-40
All models CAN 7-191 Illustration of new end play tools used to check
CHEV 83-I-124 fixture adapters.
CORP 837829
GMTC 83-B-117
HM 83-61
PONT * 83-I-123
All models CAN 7-214 Oil pressure switch information and their locations
CHEV 83-96 are given. Illustration. *Supplement to divisional
GMTC 84-B-35 bulletin 83-74.
HM 83-74A
PONT * 83-I-168
THM 700-R4 SERVICE INFORMATION and REPAIR PROCEDURES (Cont'd.)
NOTE: General groups are listed in alphabetical order Bulletins are listed in previous to most current order
GENERAL
MODEL/YEAR BULLETIN NUMBERS SUBJECT SUMMARY
GROUPS
OIL PUMP All models CAN 7-125 Service procedure for the oil pump rotor and slide.
(Cont'd) CHEV 84-108 Illustration and charts are given showing pump
CORP 847904 disassembly.
GMTC 84-B-76
HM 83-103
PONT* 84-7-19
1982-1985 CAN 85-7-155 Steps for the removal and installation of the
All models CHEV 85-35 oil seal assembly requiring the use of Loctite TM
CORP 857802 RC-609 are provided.
GMTC 85-B-43
HM 85-26
PONT* 85-7-9
Late 1984 CAN 5-7149 Service parts information on the new pump assembly is
All 1985 CHEV 85-107 given. Part numbers included.
CORP 857810
HM 85-46
PONT* 5-7-31
SERVICE 1982-1986 HM 85-58 SRTA program and procedures are discussed in detail.
and All models
UNIT REPAIR
THM 700-R4 SERVICE INFORMATION and REPAIR PROCEDURES (Cont'd.)
NOTE: General groups are listed in alphabetical order Bulletins are listed in previous to most current order
GENERAL
MODEL/YEAR BULLETIN NUMBERS SUBJECT SUMMARY
GROUPS
SERVICE 1982 CAN 7-112A Bulletin contains 6 pages of artwork to be inserted
MANUAL CHEV 82-T-116 into 1982 service manual.
UPDATE CORP 827880
GMTC 83-B-22
HM 83-47
1984 CAN 84-7-155 Artwork of change in rotation of "A" and "B" to
All models CORP 847848 update artwork on page 700-R4-49. Illustration
GMTC 85-B-3 provided.
HM 84-30
PONT* 84-7-37
1985 CAN 5-7147 Explanation of new pump assembly given.
YA, YC & CORP 857810 Illustrations are given.
YZ models HM 85-44
PONT* 85-7-30
TORQUE 1985 CORP 857804 Clutch converter shift valve train was
CONVERTER YK, YT, YX, YP, HM 85-32A eliminated on all E.C.M. controlled vehicles.
COMPONENTS YZ, YC, PR, MT,
VC, PQ, YN &
YA models