Skylark L4-138 2.3L DOHC VIN D MFI (1988)
Refer to the following part number when replacement of the solenoid assembly is necessary.
Part Number
Description
8664388
Switch, 2nd Gear
Parts are currently available from GMSPO.
SERVICE MANUAL REFERENCE
Whenever servicing a 2nd gear switch on any THM 125C/HYDRA-MATIC 3T40, refer to the Unit Repair Section of your service manual.
