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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.

Transmission and Drivetrain > Actuators and Solenoids - Transmission and Drivetrain > Actuators and Solenoids - A/T > Torque Converter Clutch Solenoid, A/T > Component Information > Technical Service Bulletins > Customer Interest for Torque Converter Clutch Solenoid: > 88727 > Apr > 88 > A/T - TCC Engages In 2ND Gear

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