TIB 13-054 - Bendix New-Gen Lightweight Steer Axle Drum Brake Backing Plate/Spider... Page 1 of 3

Technical Information Bulletin
13-054

Section
Brakes - 13

Subject
Bendix New-Gen Lightweight Steer Axle Drum Brake Backing Plate/Spider Cracking

Release Date
7/29/2020

Condition
Brake backing plate/spiders could crack.

Chassis Affected
All models, built from 10/19/2015 through 07/22/2019 with Bendix New-Gen Lightweight Steer Axle Drum Brakes. Only spider part numbers that
begin with G1-545^ or G1-515* are affected.

Action
Fix-As-Fail
If a customer comes into your dealership and demonstrates the condition above, use the procedure below to replace the cracked brake backing
plate/spiders.

Warranty
Through Standard Warranty or any applicable active Extended Warranty, Kenworth will pay for parts at dealer net plus applicable mark-up and
labor:

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TIB 13-054 - Bendix New-Gen Lightweight Steer Axle Drum Brake Backing Plate/Spider... Page 2 of 3

1.6 to 2.4 hours labor, depending on model (the correct time will be applied when the SRT code is selected in the claim), to R&R each
cracked brake spider. File a long form claim referencing 13-054.
A clear picture is required in the claim for each cracked component to be replaced.
If no components are found to be cracked during the routine inspection, no further action is required. Do not file a claim for inspection
only. This is part of the required inspection to be performed during “A” interval scheduled maintenance inspections and is described in
Bendix Service Manual BW7258, and should be billed to the customer.
File an additional claim, including pictures and referencing 13-054 in the CCC, for extraordinary circumstances or additional damage as a
result of the cracked spider.
Take-Off Parts Disposition: Ship Take-Off parts to Bendix per ship code EZ.
CLAIM CODING
Failure Location:

013-001-088

Work Accomplished:

35

Failure Type:

155

Responsibility Code:

05

SRT Code:

013-001
Claim Type:
1.6 to 2.4 hrs.
depending on
model
R&R brake
backing
plate/spider (one)

Vendor Code:

13-54

N

Parts
Parts are available from PACCAR Parts.
Quantity

Part Number

Description

1

K124778NBXW

LH Brake Spider & Pin Assembly

1

K124779NBXW

RH Brake Spider & Pin Assembly

Procedure
Please follow your dealership's safety procedures and precautions to ensure the vehicle can be
safely repaired and maintained.
Visible cracks can be detected as part of the required routine inspection, as described in the Periodic Inspections section of Bendix Service Manual
BW7258. PACCAR Operator's manuals call for a brake inspection, which includes: a thorough visual inspection for brake wear, loose fasteners,
broken parts, and/or obvious damage should be made each time the brake is being serviced or the wheel and drum have been removed.
Refer to Bendix Technical Bulletin TCH-022-005 for the inspection and repair procedure.

Attachments
BW7258 Bendix Service Manual

Authored by: OF

Access to PACCAR’s Enterprise Portal is provided as a benefit of doing business with PACCAR. All applications and content accessed through this
system are confidential and proprietary and the property of PACCAR Inc and its suppliers, and must be kept strictly confidential pursuant to the
contract licensing such access. Disclosure, publication, release or distribution of any material found on PACCAR systems to any person other
than employees with a need to know such information is strictly prohibited. All activity on this system is monitored. If PACCAR suspects or
discovers any unauthorized activity, access may be immediately terminated without prior notification. Violators may be subject to legal action.

© Copyright 2020 PACCAR Inc. All rights reserved. We welcome your feedback on this page. For technical questions or concerns about this

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TIB 13-054 - Bendix New-Gen Lightweight Steer Axle Drum Brake Backing Plate/Spider... Page 3 of 3

page, please contact the DealerNet Webmaster.

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13-054 Bendix New-Gen Lightweight Steer Axle Drum Brake Spider

Page 1 of 3

Service Bulletin
13-054

Section
13 - Brakes and Air System

Description
Bendix New-Gen Lightweight Steer Axle Drum Brake Spider

Release Date
7/29/2020

Introduction
Peterbilt has determined that vehicles equipped with Bendix New-Gen Lightweight Steer Axle Drum Brakes may have
brake spiders that could be susceptible to cracking. Vehicles built from 10/19/15 through 7/22/19 with Bendix drum brakes
on the steer axle, and part numbers that begin with G1-545* or G1-515* could be impacted. Reference Bendix Technical
Bulletin TCH-022-005 (in attachments below) for repair procedure.

Resolution
Fix-as-Fail
If a customer comes into your dealership and demonstrates the condition above, use the procedure below to replace the
cracked brake spiders.
Visible cracks can be detected as part of the required routine inspection, as described in the Periodic Inspections section
of Bendix Service Manual BW7258 (in attachments below). According to the manual, a thorough visual inspection for
brake wear, loose fasteners, broken parts and/or obvious damage should be made each time the brake is being serviced
or the wheel and drum have been removed.

Warranty
Through Standard Warranty Peterbilt will pay for parts at dealernet plus mark-up and labor:
1.9 hours labor to R&R each cracked brake spider for models 330, 337 and 348. File a long form claim referencing
13-054. This time includes a test drive.
1.6 hours labor to R&R each cracked brake spider for models 365, 367, 382, 384, 386, 389, 567, 579 and 587.
This time includes a test drive.
A clear picture is required in the claim for each cracked component to be replaced.
If no components are found to be cracked during the routine inspection, no further action is required. Do not file a
claim for inspection only. This is part of the required inspection to be performed any time the brakes are serviced.
File an additional claim, including pictures and referencing 13-054 in the CCC, for extraordinary circumstances or

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13-054 Bendix New-Gen Lightweight Steer Axle Drum Brake Spider

Page 2 of 3

additional damage as a result of the cracked spider.

For Field...

Enter...

Failure Location

013-001-088

Failure Type

155

Claim Type

N

Campaign Number

13-054
SRT 013-001

Labor

1.9 hours – R&R Brake Backing Plate /
Spider (one) and test drive for 330, 337
and 348 models.
1.6 hours – R&R Brake Backing Plate /
Spider (one) and test drive for 365,
367, 382, 384, 386, 389, 567, 579 and
587 models.

Take-off parts disposition: Destroy parts 30 days after the claim has been paid.

Parts
Parts are available through PACCAR Parts.

Quantity
1
1

Part Number
K124778NBXW
K124779NBXW

Description
LH Brake Spider & Pin
Assembly
RH Brake Spider & Pin
Assembly

Procedure
Refer to Bendix Technical Bulletin TCH-022-005 (in attachments below) for the inspection and repair procedure.

Attachments
BW7258 Bendix Service Manual
TCH-022-005 Bendix Technical Bulletin

Authored by: PR

Access to PACCAR’s Enterprise Portal is provided as a benefit of doing business with PACCAR. All applications and content accessed
through this system are confidential and proprietary and the property of PACCAR Inc and its suppliers, and must be kept strictly
confidential pursuant to the contract licensing such access. Disclosure, publication, release or distribution of any material found on
PACCAR systems to any person other than employees with a need to know such information is strictly prohibited. All activity on this
system is monitored. If PACCAR suspects or discovers any unauthorized activity, access may be immediately terminated without
prior notification. Violators may be subject to legal action.
© Copyright 2020 PACCAR Inc. All rights reserved. We welcome your feedback on this page. For technical questions or concerns

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13-054 Bendix New-Gen Lightweight Steer Axle Drum Brake Spider

Page 3 of 3

about this page, please contact the DealerNet Webmaster.

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Technical Bulletin
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Bendix Spicer Foundation Brake LLC (BSFB) has discovered that a small number of new-gen lightweight steer
axle drum brakes installed on PACCAR® (Peterbilt® & Kenworth®) vehicles built between 2015 - 2019 may have
cracks in the spiders (mounting plates). Vehicles that fall within these parameters, or have been serviced with
the part numbers listed below, must be inspected for the possibility of cracked spiders. Use the inspection
procedure detailed below. Vehicles with air disc brake steer axles, or drum brake part numbers not shown
below, are not a part of this bulletin.
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