Section A THM 440-T4 Diagnosed Conditions or Symptom Descriptions
NOTE: General groups are listed in alphabetical order Bulletins are listed in previous to most current orderGENERAL DIAGNOSIS
MODEL/YEAR BULLETIN NUMBERS SUBJECT SUMMARY
GROUPS or SYMPTOM
PERFORMANCE No TCC apply 1984-1985 BUICK 5-14406 Illustration of new TCC accumulator
or TCC shudder All models CAN 5-7124 piston pin designed to eliminate these
CHEV 85-34 conditions.
CORP 857606
HM 85-17
OLDS 35-7
SHIFTING Vacuum Related All models BUICK 5-74401 List of shift conditions caused by loss
Shift Conditions CAD T-85-9 of engine vacuum is provided to help
CAN 5-7105 the technician when diagnosing vacuum
CORP 857601 related shift problems.
HM 85-03
OLDS 85-T2
Second Gear 1985 CHEV 85-122 May be caused by 1-2 shift valve
Starts CP, CW CORP 857610 remaining in upshift position. New
HT models HM 85-52 governor part numbers given to correct
this condition.
3-2 Downshift 1985 CORP 857612 Service and repair information given to
Bump BA, BC, CM HM 85-53 replace 3-2 control valve spring. Service
& CP models package and part numbers also listed.