4 Runner 4WD V6-180.5 2959cc 3.0L SOHC (3VZ-E) (1989)
Brake Drum: All Technical Service Bulletins
Brakes - New Drums Reduce Vibration
REFERENCE BRAKES
NUMBER
012
DATE
12-14-90
MODEL
RN/VN 4x4
4x4/4x2 4RUNNER
TITLE REAR BRAKE VIBRATION
To reduce rear brake vibration, the accuracy of balance and roundness of the rear brake drums have been improved.
PART NUMBER INFORMATION:
Previous Part Number
New Part Number
Part Name
42431-35180
42431-35200
Drum, Brake
MODEL APPLICATION:
This part will fit 1989 - 91 model 4x4 Truck, 4x4 and 4x2 4Runners.
Caution:
Due to the high accuracy of these parts, they are easily damaged. Give special care not to drop or damage the drums during installation or
handling.
FIG. 1
Installation:
When installing the wheels torque the lug nuts to 35 ft.lb. (47 N-m). using a cross pattern as shown in FIG. 1. Then retorque to 76 ft.lb. (103 N-m).