Riviera V6-231 3.8L VIN C SFI (1989)
Clutch: All Technical Service Bulletins
A/T - Revised Direct Clutch Housing
Bulletin
90-7125-1
Date
Oct., '89
Ref. No.
90-006-7125
Corp. Ref. No.
977141
SUBJECT:
NEW DIRECT CLUTCH HOUSING
MODELS AFFECTED:
ALL 1985, 1986, 1987, 1989, AND 1990 WITH 3T40 THM125C TRANSAXLES
BULLETIN COVERS
A new Direct Clutch Drum (610) with an increased wall thickness of 0.2 mm (Figure 1) to prevent the Direct Clutch Drum from warping when subject to
excessive heat caused by an Intermediate Band distress (606).