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A/T - Shift Solenoid Update

File In Section: 7 Transmission

Bulletin No.: 37-71-48A

Date: November, 1996

INFORMATION

Subject:
Transmission Product Updates
(New Shift Solenoids)

Models:
1991-97 Chevrolet and GMC C/K, P, G Models
1991 Chevrolet and GMC R/V Models with HYDRA-MATIC 4L8O-E Transmission (RPO MT1)

This bulletin is being revised to update the part numbers and to include 1995-97 model years. Please discard Corporate Bulletin Number 377148 (Section 7 - Transmission).

Service Information





Starting August 14, 1996 (Julian date 226) all HYDRA-MATIC 4L80-E transmissions are being built with the new solenoid assemblies. The new solenoids are serviced for all 1991 through 1997 4L80-E applications.

Parts Information

Previous Part New Part Description

10478125 10478132 Valve assembly, 1-2 Shift Solenoid (Black)

10478126 10478133 Valve assembly, 2-3 Shift Solenoid (White)

Parts are currently available from GMSPO.