Regal V6-231 3.8L VIN L SFI (1990)
Figure 5 - Detent Lever
Figure 6 - Previous And New Input Housings
SUBJECT:
NEW PRODUCT INFORMATION - NEW MODEL CODES FOR NEW CHANNEL PLATE AND INPUT HOUSING COMPONENTS
MODELS AFFECTED: ALL 1990 MODELS EQUIPPED WITH A 4T60 TRANSMISSION
BULLETIN COVERS: (Figures 1 through 6)
New model codes for a new channel plate assembly that does not have an input accumulator and for a wave plate and extra input clutch plate that has
been added to the input clutch.
IMPORTANT:
The shift speed charts, minimum and maximum oil pressures and wiring diagrams have not changed. Use the cross-reference chart in figure 1 to find the
previous 1990 model; then reference previous model data listed (oil pressure, wiring diagrams and shift speed charts) to service the new 1990 model. For