L-TT-0212-16

Tech Tip L-TT-0212-16
Subject
October 31, 2016
Market
Brake Vibration - Importance of Lug Nut Torque
Service Category
Section
Brake
Brake (front)
USA
Applicability
All Lexus Vehicles
APPLICABLE VEHICLES
2015-2017
2015-2017
2016-2017
2013-2016
2013-2016
2013-2016
2013-2016
2016-2017
2013-2016
2012-2015
2016-2017
RC F
NX300H
GS F
LS600H
GX460
RX450H
CT200H
GS200T
RX350
IS350C
RC200T
2015-2017
2012-2015
2013-2016
2013-2016
2016-2017
2013-2015
2013-2016
2013-2016
2015-2017
2013-2016
2013-2016
RC350
IS250C
ES350
LS460
RC300
IS250
GS350
IS350
NX200T
GS450H
LX570
CONDITION
Front Brake Vibration Key Points:
 Issue can occur at any time if improper torque is applied on lug nuts
 Over time, even one lug nut over or under torqued, can cause a vibration issue
 When lug nuts are over torqued, this causes the rotor to have a runout out condition which can
lead to brake vibration concerns
 Brake vibration issues can occur at parking lot to highway speeds
 Brake vibration issues can occur at light to moderate braking
 Tightening lug nuts in a star pattern method during the torqueing process will assure that
even/equal pressure is applied across the rotor hub surface
 Torque sticks/wrenches should be used to apply accurate torque values when tightening
 Do Not use impact guns/ratchets to completely run lug nuts up to the wheel surface
RECOMMENDATIONS
When performing service on a vehicle that requires the installation of wheel lug nuts, it is critical that
the technician ensures that lug nut torque matches the repair manual specification for that particular
vehicle and a star pattern method is performed during the lug torque procedure.
LINK REFERENCES
This Tech Tip does not contain any link references
Expires on
Ver. 2.7 01/01/2016 L
10/31/2017
© 2016, Lexus, a Division of Toyota Motor Sales, USA
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