toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

All Technical Service Bulletins for Brake Drum: > < Backing Plate|Specifications
Page 1
background image

Brake Drum: Customer Interest
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).

All Technical Service Bulletins for Brake Drum: > < Backing Plate|Specifications