S10/T10 P/U 4WD L4-151 2.5L (1985)
Differential Axle Housing: All Technical Service Bulletins
Differential - Growl Noise
Number:
8-416-4C
Section:
4C
Date:
May, 1989
Subject:
FRONT AXLE GROWL NOISE
Model and Year:
1983-88 T1 TRUCKS
Figure 1
TO ALL CHEVROLET DEALERS:
Beginning with start of production 1989, the material in the thrust washers in the front axle tube of T Model Trucks was changed to reduce thrust washer
wear. The washers involved are # 7, # 20 and # 24 as shown in Figure # 1.
When worn, the metal in the washer will be smeared from slipping. Number 24 may also be dished.
