A/T - 2-3 Slip or Flare/Delayed 2-3 Upshifts
89pontiac06Bulletin Number: 89-7-24
Reference Number: 977110R
Publish Date: 3/89
2-3 SLIP OR FLARE AND/OR DELAYED 2-3
Subject: UPSHIFTS DURING LIGHT THROTTLE
Models
1988-89 THM 125C/3T40 6000, SUNBIRD AND
Affected: GRAND AM MODELS
New Fiber Plates have a smooth surface that will reduce the potential for a 2-3 Slip, 2-3 Flare and/or Delayed 2-3 Upshifts during Light Throttle acceleration.
DATE OF PRODUCTION CHANGE:
Fiber plates for the Direct Clutch Assembly with the new smooth surface went into production February 27, 1989 (Julian Date 058) for all THM 125/125C/HYDRA-MATIC 3T40 transaxles.
SERVICE NOTES:
This bulletin only pertains to THM 125C/HYDRA-MATIC 3T40 transaxles equipped with grooved fiber plates in the Direct Clutch Assembly, built before February 27, 1989 (Julian Date 058).
SERVICE ACTION:
To service any THM 125/125C/HYDRA-MATIC 3T40 for this condition replace the grooved (existing) fiber plates with the new smooth surface fiber plates. Grooved fiber plates are optional in the Direct Clutch assembly for the above model years.
SERVICE PARTS INFORMATION:
Refer to the following part number whenever ordering fiber plates for the Direct clutch assembly.
Package Description Part No.
Fiber Plates (smooth) 8643741
Parts are currently available from GMSPO.
SERVICE MANUAL REFERENCE:
Whenever service to the Direct clutch assembly is necessary, refer to the THM 125C/HYDRA-MATIC 3T40 Unit Repair Section of your Service Manual.