TOYOTA MOTOR SALES U.S.A., INC.
This TSB outlines the causes of brake vibration and pulsation, as well as the best corrective
measures to use.
CONTENTS
1) Symptoms of brake vibration and pulsation
2) Cause of vibration/pulsation problems
3) Advantages of using an on±car brake lathe
4) Rotor replacement and off±car brake lathe procedure
1) SYMPTOMS OF BRAKE VIBRATION AND PULSATION
Brake vibration problems generally involve one or both of two phenomena: body vibration and/
or pedal pulsation.
A. BRAKE VIBRATION
Applying brakes causes vibration to occur in the instrument panel, steering column, steering
wheel, and/or body of the vehicle (See Figure 1 below).
BRAKE VIBRATION AND/OR PULSATIONPage 1 of 6
BRAKES
BR94±002
FEBRUARY 7, 1994
ALL MODELS
Figure 1
WARRANTY PARTS MARKING PROCEDURE ± PG006-03September 26, 2003
Page 2 of 3
Dealers are requested to mark the location of the failure of all warranty parts that are
listed below.
This list is not inclusive. There may be other components that can be
marked in the area of failure. All other parts that can be marked should be marked.
assist grip assy headlamps
audio (blemish) headliner
back door garnish hoses
bumper covers instrument panel safety pad sub±assy
cargo cover (retractable) Interior light assemblies and covers
carpet knobs, levers, handles
clutch disc l/pulley pump assy
clutch flywheel mirrors (side and rearview)
combination meter glass navigation or VES screens
console and components pillar garnish
cowl assy rack and pinion/power steering gear assy
cowl side trim sub±assy radiator
cupholders room partition board
cylinder head cover sub±assy rotors (mark where min. runout is exceeded or warped)
dash panel insulator assy seat covers/cushions
dashboard and trim seat tracks
disc wheel soft trim
display panels spare tire cover
door handle assy steering column cover
door moulding steering wheel
door trim panel & molding tail lamps and covers
emblems transmission oil pan
engine oil pan visor
exhaust manifold washer jar
floor and cargo mats wheel cap
gear shift knob wheels
grills
Parts
Marking
Requirement
Parts
Marking
List
Toyota Supports ASE CertificationPage 1 of 2
ST001-01Title:
STEERING WHEEL NUT SERVICE
SPECIFICATION
Models:
All Applicable Models
Technical Service
BULLETIN
February 16, 2001
To make the steering wheel installation procedure similar for all models, the steering
wheel nut tightening torque has been standardized.
MODELMODEL YEARS
TERCELEL42, 531991 ± 1998
ECHONCP122000
PASEOEL44, 541992 ± 1997
COROLLAAE10#, ZZE1101993 ± 2001
CELICAAT180, ST18#, AT2#,
ST2#, ZZT23#1990 ± 2000
MR2SW2#, ZZW301991 ± 1995; 2000
CAMRYSXV10, 20, MCV10, 201992 ± 2000
CAMRY CNGSXV232000 ± 2001
CAMRY SOLARASXV20, MCV201999 ± 2000
AVALONMCX10, 201995 ± 2000
SUPRAJZA801993 1/2 ± 1998
RAV4SXA1#1996 ± 2000
RAV4 EVBEA111998 ± 2000
PREVIATRC10, 201991 ± 1997
SIENNAMCL101998 ± 2000
HIGHLANDERACU20, 25, MCU20, 252001
4RUNNERRN12#, 13#, VZN12#, 13#,
18#, RZN180, 1851990 ± 2000
LAND CRUISERFZ80, FZJ80, UZJ1001991 ± 2000
TRUCKRN8#, 9#, 10#, 110,
VZN85, 9#, 10#, 1101989 ± 1995
TACOMARZN140, 150, 161, 171,
19#, VZN150, 160, 170, 1951995 1/2 ± 2000
T100VCK10, 201993 ± 1998
TUNDRAVCK30, 40, UCK30, 402000
OP CODEDESCRIPTIONTIMEOPNT1T2
N/ANot Applicable to Warranty ±±±±
STEERING
Introduction
Applicable
Vehicles
Warranty
Information