LeSabre V6-181 3.0L (1986)
Torque Converter Clutch Solenoid: All Technical Service Bulletins
A/T - TCC Engages In 2nd Gear
Corp. Ref. No.: 877126
TCC ENGAGES IN 2ND DUE TO MISSING OR MISPOSITIONED TCC SOLENOID SCREEN/SEAL
MODELS AFFECTED: ALL 1984-88 VEHICLES EQUIPPED WITH A THM 440-T4 (ME9) TRANSAXLE
FIGURE 1 - THM 440-T4
BULLETIN COVERS: (Figure 1)
The following conditions may occur on some of the subject vehicles if the Torque Converter Clutch (TCC) solenoid screen (Item 33) and/or O-Ring seal
(Item 68) is missing from the spacer plate or mispositioned in the spacer plate:
TCC applies during 1-2 shift.
TCC applies in 2nd gear during acceleration, then releases at steady throttle in 2nd gear.
TCC appears not to apply in 3rd gear because it already applied in 2nd gear.
TCC applies with wiring harness disconnected from transaxle.