Bonneville V6-231 3.8L VIN 3 SFI (1988)
Torque Converter Clutch Solenoid: Customer Interest
A/T - TCC Engages In 2ND Gear
Bulletin Number:
88-7-27
Reference Number:
877126
Publish Date:
4/88
Subject:
TCC ENGAGES IN 2ND DUE TO MISSING OR MISPOSITIONED TCC SOLENOID SCREEN/SEAL
Models
Affected:
1984 6000, 1985 6000, 1986-1987 6000 AND BONNEVILLES, 1988 6000, BONNEVILLE, AND GRAND PRIX VEHICLES
TRANSAXLE APPLICATIONS:
1984 - 1988 THM 440-T4 (ME9)
TRANSAXLE MODELS:
ALL:
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.