Century Estate Wagon L4-151 2.5L VIN R TBI (1987)
![background image](/buick/century_estate_wagon/l4-151_2.5l_vin_r_tbi/Page-1266002.png)
Service Procedure:
A harsh 3-2 shift at low altitude in 1986 through 1992 models 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 and may need to be updated with a service 3-2 control valve
spring per customer requirements.