L-SB-0092-13 Service Bulletin/Repair Instructions

L-SB-0092-13
December 19, 2013
Wiper Blade Maintenance and Cleaning

Service

Category
Vehicle Exterior
Section
Wiper/Washer
Market
USA
Applicability

YEAR(S)
MODEL(S)
1990 – 2014
CT200H, ES250,

ES300, ES300H,

ES330, ES350,

GS300, GS350,

GS400, GS430,

GS450H, GS460,

GX460, GX470,

HS250H, IS F, IS250,

IS250C, IS300, IS350,

IS350C, LFA, LS400,

LS430, LS460,

LS600H, LX450,

LX470, LX570, RX300,

RX330, RX350,

RX400H, RX450H,

SC300, SC400, SC430
ADDITIONAL INFORMATION
SUPERSESSION NOTICE

The information contained in this bulletin supersedes SBs No. L-SB-0060-09 and L-BO004-05.

• Applicability has been updated to include 2011– 2014 model year Lexus vehicles.

Service Bulletins No. L-SB-0060-09 and L-BO004-05 are Obsolete and any printed versions should

be discarded. Be sure to review the entire content of this bulletin before proceeding.
Introduction
The following procedures are recommended during routine maintenance or in the event of a

customer concern for wiper performance.

NOTE

These procedures apply to the windshield and back glass (if the vehicle is equipped with a back

glass wiper assembly).
© 2013 Lexus, a division of Toyota Motor Sales, USA
Page 1 of 4
December 19, 2013
L-SB-0092-13
Page 2 of 4
Wiper Blade Maintenance and Cleaning
Warranty Information

OP CODE
DESCRIPTION
TIME
OFP
T1
T2
N/A
Not Applicable to Warranty
–
–
–
–
Inspection Procedure and Maintenance

Inspection Procedure
1. During routine maintenance or in the event of a customer concern for wiper performance, please

inspect wipers for any performance concerns.

HINT

• Bugs, sap, road grime, car wax treatments, and other contaminants on the rubber inserts

or windshield, can cause wiper performance concerns.

• Make sure to complete the Inspection Procedure and the Cleaning Procedure before

deciding to replace the rubber wiper inserts or other wiper related parts.
Examples of Performance Concerns that Could Be Caused by Dirty Wiper Inserts/Winshield

POOR REMOVAL
CHATTER
ABNORMAL NOISE
WHITE FILM LEFT BEHIND
Incomplete Removal
Chattering During

Entire Travel
Friction Noise at End

of Travel
White Film Left Behind
Streaking
Friction Noise at Reverse

Position
© 2013 Lexus, a division of Toyota Motor Sales, USA
L-SB-0092-13
December 19, 2013
Page 3 of 4
Wiper Blade Maintenance and Cleaning
Inspection Procedure and Maintenance (Continued)

Inspection Procedure (Continued)
2. Contributors to poor performance/decreased rubber wiper insert life (requiring rubber wiper

insert replacement).

• Dust or dirt on the glass surface causes the rubber edge to wear quickly.

• Sand and salt used for road conditioning during Winter months causes the edge to wear

quickly, so geographical locations with significant snowfall require more frequent rubber

wiper insert replacement.

• Heat and length of time in service can cause the rubber to become hard and brittle causing

the rubber to not turn over, resulting in streaking and/or unwiped areas on the glass.

• The use of an ice scraper near the blades can easily damage the rubber insert.

• Pulling blades off a frozen windshield can cause the rubber insert to tear.

• Using wipers instead of an ice scraper to remove frost and ice from the glass can dull,

nick, or tear the rubber.

• Slamming the wiper on the glass to remove ice & snow can cause the blade to bend and the

rubber to come out of the blade increasing the potential to scratch the glass.

• When ice forms in wiper blade pin joints, it may cause streaking and unwiped areas. To

remove ice from pin joints, compress the blade and rubber with your hand to loosen the

frozen joints.

Cleaning Procedure
1. If any performance concerns are found, clean the rubber wiper inserts and the glass surface

using the following cleaning procedure.

A. Rubber wiper inserts: Clean road and

environmental debris from the rubber inserts

by using a cloth or paper towel soaked with

windshield washer fluid or a mixture of mild

detergent and water.
Figure 2. Rubber Wiper Insert
NOTICE

Do NOT use fuel, kerosene, or petroleum

based products to clean rubber inserts.
© 2013 Lexus, a division of Toyota Motor Sales, USA
December 19, 2013
L-SB-0092-13
Page 4 of 4
Wiper Blade Maintenance and Cleaning
Inspection Procedure and Maintenance (Continued)

Cleaning Procedure (Continued)
B. Windshield: Rinse the glass with water and apply non–abrasive cleaner, such as Bon ami®

(www.bonami.com) or equivalent, with a sponge.

NOTICE

Make sure to use plenty of water with all powder based cleaners to avoid scratching the

glass surface.
C. Inspect wipers for improved performance. If no improvement was found, continue to step 2.

2. If there is still a performance concern, inspect the wiper inserts, other related components, and

replace as needed.

Examples of Wiper Conditions

DEFORMED INSERT
WIPER INSERT HOLDER

DEFORMATION
WIPER ARM DEFORMATION
ABNORMAL BACKLASH AT

JOINTING BLADE
Replace Rubber Insert
Replace Wiper Blade
Replace Wiper Arm

Assembly
Replace Wiper Blade
© 2013 Lexus, a division of Toyota Motor Sales, USA

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