S15/T15 4WD P/U V6-173 2.8L (1985)
![background image](/gmc/s15/t15_4wd_p/u/v6-173_2.8l/Page-1000001.png)
Valve Body: All Technical Service Bulletins
A/T - 700R4 Valve Body Modification
SIL 85-21
SUBJECT: 700-R4
For start of production 1985, the converter clutch shift valve train was eliminated on units where the converter clutch is controlled by the computer.