Seville V8-273 4.5L (1989)
1.
3-2 Control Valve Spring (341). Refer to Figure 5.
2.
Spacer Plate Gaskets.
3.
Instruction Sheet.
IMPORTANT:
Service Replacement Transaxle Assemblies (SRTA) are built with original calibrations ancts may need to be updated with a service 3-2 control valve
spring per customer requirements.
Parts are currently available from GMSPO.
Refer to the Hydra-Matic 4T60 (ME9) Automatic Transaxle Unit Repair Table of Contents for control valve assembly information.
VI. Harsh 3-2 Shift Maneuver At 17-20 MPH
1985-1986 DeVilles and Fleetwoods and 1986 Eldorados and Sevilles
A 3-2 shift maneuver is obtained by allowing the vehicle to coast down to 17-20 mph (with closed or zero throttle) and then stepping into the throttle to
obtain a 3-2 shift.
At start of production (SOP) 1987 an orifice pipe was added between the 1-2 servo release cover plate and the 3-2 coast down valve to allow a smoother