PL720 2WD L4-1952cc 2.0L SOHC (Z20) (1985)
Technical Service Bulletin # TS85024
Date: 850312
Rear Brakes - Squealing Noise
TS85-024
March 12, 1985
Brake
REAR BRAKE NOISE, 720 TRUCK
APPLIED MODEL:
720 Truck
SERVICE INFORMATION
The rear brakes of some 720 Trucks may squeal during brake application. If an inspection of the rear brakes has found all components to be in good
condition, rear brake noise countermeasure parts should be installed.
PARTS INFORMATION
QUANTITY
DESCRIPTION
PART NUMBER
REQUIRED
Spring
41083 - 80W10
2
Retaining Clip
41086 - 8OW10
6
Phillips Head Screw
08310 - 4062A
6
(4mm - 7x6mm)
Split Lock Washer
08915 - 1342A
6
SERVICE PROCEDURE
The following tools are required to install the countermeasure parts:
^
Center Punch
^
Hammer
^
3.4mm Twist Drill (equivalent #29 index drill)
^
Drill Motor
^
4mm - 0.7 Tap and Holder (#8-32 x 1/4" screws may be used)
^
#2 Phillips Screwdriver
^
Large Standard Screwdriver
^
2" x 4" x 12" Wooden Block
^
1/4" x 1-1/2" x 4" Wooden Spacer
1.
Remove the rear wheels and brake drums from the vehicle.
2.
Use a retaining clip and center punch to mark three (3) hole locations equally spaced around the outside flange of one brake drum as
shown below.