K 2500 Truck 4WD V8-379 6.2L DSL VIN C FI (1989)
Output Shaft Bearing/Bushing: Technical Service Bulletins
A/T - Rear Bushing On-Vehicle Service Procedure
GMC NUMBER:
90-7A-42
GROUP:
7A Automatic Transmission
DATE:
March, 1990
CORPORATE
NUMBER:
077103R
SUBJECT:
NEW ON-VEHICLE SERVICE PROCEDURE REMOVE REAR CASE BUSHING OR REAR EXTENSION BUSHING
MODELS:
ALL 1976-90 TRUCKS W/4L60, 200-4R
Figure 1 - Rear Case Extension Bushing Remover And Installer
BULLETIN COVERS:
A new rear bushing (or rear extension bushing) removal/installation procedure that can be performed while the transmission is in the vehicle. This
procedure saves labor time on each of the following transmission models:
THM 200-4R HYDRA-MATIC 4L60/THM 700-R4 Labor savings are different on each model but can be significant.
SERVICE PARTS INFORMATION:
This tool is currently available from Kent-Moore:
J 38119 - Rear Case Extension Bushing Remover and Installer
SERVICE PROCEDURE:
(Figures 1, 2, 3)
Important
J 38119 includes two expansion tubes - one silver and one black. Use the BLACK tube for GM transmissions. Begin each procedure by raising vehicle
on a hoist.
