Cutlass L4-138 2.3L VIN A FI HP (1990)
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4th clutch apply plate does not have the step used on the single apply plate, but it does have a slight machined-in taper.
DATE OF PRODUCTION CHANGE:
Starting SOP 1990, all transaxle models covered by this bulletin were built with the two plate 4th clutch assembly.
Figure 2 - Single And Two Plate 4TH Clutch Assemblies
SERVICE PROCEDURE:
(Figure 2)
When servicing a 1990 transaxle model, rebuild/replace the 4th clutch components with the same type (single or two plate) unless the 4th clutch is
distressed; see Section II of this service bulletin for service procedure. The part numbers for the two plate 4th clutch assembly components and overhaul
repair packages are listed under "Service Parts Information".
IMPORTANT:
Do NOT interchange individual components or the entire 4th clutch assembly into a unit that was not originally built with it.
Calibrations of the 4th clutch apply feel will be affected and could create durability concerns.
SERVICE PARTS INFORMATION:
Model
Part Number
Description
Year
Model Usage