C 2500 Truck 2WD V8-379 6.2L DSL VIN J FI (1992)
Clutch: All Technical Service Bulletins
A/T - Loss of 3rd, Direct Clutch Distress/Slip In `R'
Number: 92-299-7A
Section: 7A
Date: SEPT. 1992
Corporate Bulletin No.: 277137
ASE No.: A2
Subject:
LOSS OF THIRD DIRECT CLUTCH DISTRESS AND /OR SLIP IN REVERSE
Model and Year:
1992 C/K, P TRUCKS AND G VAN
TRANSMISSION APPLICATIONS:
1992 HYDRA-MATIC 4L80-E/4L80-EHD (MT1)
TRANSMISSION MODELS:
All
SUBJECT:
Loss of Third, Direct Clutch Distress, Slips in Reverse (New Dished Plate)
VEHICLE APPLICATIONS:
C, K, P Trucks, G-Van
CONDITION:
Some 1992 HYDRA-MATIC 4L80-E/4L80-EHD transmissions may experience Loss of Third, Direct Clutch Distress and/or Slip in Reverse.
CAUSE:
This can be caused by the Direct Clutch Dished Plate damage or cracking.
CORRECTION:
A new Direct Clutch Dished Plate (609) was released with a new material that increases the durability.
DATE OF PRODUCTION:(Figure 1)
Starting October 1, 1991 (Julian Date 274) all 1992 HYDRA-MATIC 4L80-E/4L80-EHD models were built with the new Direct Clutch Dished Plate.
PARTS INFORMATION:
Part Number
Name
8680816
Plate-Clutch (.054 Dished)
Parts are currently available at GMSPO.
SERVICE MANUAL REFERENCE:
Refer to your appropriate service manual for correct replacement procedures.
