6000 V6-191 3.1L (1989)
Case: All Technical Service Bulletins
A/T - Fluid Leak Near Governor Area Caused By Porosity
Bulletin Number:
89-7-41
Reference Number:
977130
Publish Date:
7/89
Subject:
FLUID LEAK NEAR GOVERNOR AREA CAUSED BY POROSITY - REPLACE CASE
Models
Affected:
1989 6000, GRAND PRIX AND BONNEVILLE MODELS WITH 440-T4/4T60
Figure 1 - Fluid Leak Area Caused By Porosity
BULLETIN COVERS:
(Figure 1)
A fluid leak near the governor area on 1989 6000, Bonneville or Grand Prix models equipped with a THM 440-T4/HYDRA-MATIC 4T60 may be
caused by porosity allowing fluid to seep out the case.
Figure 2 - Inspect For Case Die # 567
SERVICE PROCEDURE:
(Figure 2)
If the transaxle has a leak near the governor area, inspect the case die number as shown in Figure 2. If the die number is 567 and the VIN is within the
following breakpoints listed under "Vehicles Involved", then replace the transaxle case.
SERVICE PARTS INFORMATION:
Part Number
Description
Model Year
Model Usage
8662928
Pkg., Transaxle Service
1989
All
Case Assembly Complete
Parts are currently available from GMSPO.
LABOR TIME INFORMATION:
