Bonneville V6-231 3.8L VIN 3 SFI (1988)
Torque Converter Clutch Solenoid: Customer Interest
A/T - TCC Engages In 2ND Gear
TCC ENGAGES IN 2ND DUE TO MISSING OR MISPOSITIONED TCC SOLENOID SCREEN/SEAL
1984 6000, 1985 6000, 1986-1987 6000 AND BONNEVILLES, 1988 6000, BONNEVILLE, AND GRAND PRIX VEHICLES
1984 - 1988 THM 440-T4 (ME9)
FIGURE 1 - THM 440-T4
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.