C 2500 Truck 2WD V8-454 7.4L (1988)
Clutch: All Technical Service Bulletins
A/T - Burned Forward Gear, Overrun or 3-4 Clutches
GMC NUMBER:
88-T-32
GROUP:
7A - Automatic Transmission
DATE:
August, 1987
CORPORATE
NUMBER:
867104
SUBJECT:
BURNED FORWARD, OVERRUN OR 3-4 CLUTCHES
MODELS:
ALL 1987 LIGHT DUTY MODELS AND 1988 C/K MODELS WITH THM 700-R4
AUTOMATIC TRANSMISSIONS
FIGURE NO. 1
BULLETIN COVERS:
New, solid (not "scarf cut" - Figure No.. 1) turbine shaft seals, service tools, procedures and parts. Information in this bulletin is not included in your
1987 Service Manual.
FIGURE NO. 2 - THM 700-R4 TRANSMISSION IDENTIFICATION INFORMATION
DATE OF PRODUCTION/SRTA CHANGE:
(Figure No. 2)
By October 6, 1986 (Julian Date 279) all 1987 THM 700-R4 production and Service Replacement Transmission Assembly (SRTA) models were built
with solid turbine shaft seals.