V. Harsh 3-2 Shift At Low Altitude* Only
1985-1990 DeVilles and Fleetwoods and 1986-1990 Eldorados and Sevilles* Areas other than the designated high altitude counties listed in Figure 8.
A harsh 3-2 shift at low altitude may be corrected by installing the appropriate service package which contains:
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.