Bonneville V6-3800 3.8L (1991)
Case: All Technical Service Bulletins
A/T - Leak Near 1-2 Servo Casting Slot
Bulletin Number:
91-7-41
Reference Number:
177131
Publish Date:
1/92
Subject:
LEAK NEAR 1-2 SERVO CASTING SLOT (REPLACE TRANSAXLE CASE)
Models
1991 6000, BONNEVILLE AND
Affected:
GRAND PRIX MODELS WITH
4T60 TRANSAXLE
1991 HYDRA-MATIC 4T60 (ME9)
TRANSAXLE MODELS:
1WFH, 1YSH, 1YTH, 1WJH, 1WMH 1WPH, 1WXH, 1WWH, 1YDH, 1YHH
Transaxle fluid leak may be present due to a case crack near the 1-2 servo on some 1991 6000, Bonneville, or Grand Prix vehicles equipped with a 4T60
transaxle.
Figure 1