NHTSA ID Number: 10056596
Manufacturer Communication Number: FSB-511-003
TSB/Document Date: 2015-01-10
Summary
VOLVO
: BRAKE SHOE IS PROTRUDING BEYOND BRAKE DRUM AND IS CORRECTED BY REPLACING/INSTALLING NEW 152 MM (6.0 IN) BRAKE SHOES, DUST SHIELDS, NEW 178 MM (7.0 IN) WIDE BRAKE DRUMS. MODEL 2011-2014 VN, VHD, VAH. *PE
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- Mixes well with conventional fluids
- Low-moisture formula provides excellent vapor lock...
- Ideal for hydraulic and disc brakes
- Provides an extra margin of safety in extreme braking...
- Mix of polyglycol ethers ensures hot brake-system operation...
- Excellent for ABS, disc and drum brake systems
- Delivers braking power when needed by avoiding a spongy...
- Both wet and dry boiling points exceed the minimum...
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TSB/Document ID: FSB-511-003
Replacement Service Bulletin Number:
MFR Communication Date: 2014-08-01
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: SERVICE BRAKES, AIR:DRUM:DRUM
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
Field Service Bulletin
Trucks
Volvo Trucks North America
Greensboro, NC USA
Date
8.2014
Group
No.
Release
511 003 01
Page
1(13)
Brake Drum, Replacement
SB-10056596-6838
Steer Axle
VN, VHD, VAH
FSB 511-003, Brake Drum, Replacement (Steer
Axle)
(AUGUST 2014)
Some VOLVO VN, VHD, VAH trucks built between 08/29/2011 and 06/30/2014, equipped
with a Rockwell or Hendrickson 14.6k steer axle, and 152 mm (6.0 in) wide Meritor brake
shoes can show signs of brake shoe protrusion beyond the brake drum. This condition is
resolved by installing new 152 mm (6.0 in) brake shoes, new dust shields, and new 178 mm
(7.0 in) wide brake drums (20536276).
W5092261
Required Parts (Brake Drum Replacement)
Item
Description
Part Number
Qty
1
Brake Drum, 178 mm (7.0 in) wide
20536276
2
2
Brake Shoe Kit, 152 mm (6.0 in), Meritor
TDAKSMA15014715QP
2
3
Brake Dust Shield Kit, Meritor
85143647
2
Service personnel: Please circulate, read and initial
Service
Manager
Warranty
Administrator
PV729-FSB511-003_V
Workshop
Foreman
Service Technicians
USA65887
Volvo Trucks North America
Field Service Bulletin
Date
8.2014
Group
No.
Release
511
003
01
Decommissioning the Truck for Repair
You must read and understand the precautions and guidelines in Service Information,
group 50, "General Safety Practices, Brakes" before performing this procedure. If you are
not properly trained and certified in this procedure, ask your supervisor for training before
you perform it.
NOTE: Information is subject to change without notice. Illustrations are used for reference
only and can differ slightly from the actual vehicle being serviced. However, key
components addressed in this information are represented as accurately as possible.
1 Park the vehicle on a flat and level surface.
2 Apply the parking brake.
3 Place the transmission in neutral or park.
4 Install the wheel chocks.
W7086748
Page
2(13)
Volvo Trucks North America
Field Service Bulletin
Date
8.2014
Group
No.
Release
511
003
01
5 Disconnect the cable from the battery’s negative terminal.
W3086747
Brake Drum, Replacement, Meritor (1.0 hrs)
Note: The left side is shown for instructional purposes.
1 Lift the steer axle with a jack, place the truck on jack stands, and remove the jack.
2 Remove the wheel nuts.
W5092265
Page
3(13)
Volvo Trucks North America
Field Service Bulletin
Date
8.2014
Group
No.
Release
511
003
01
3 Remove the wheel.
W5092266
4 Remove the six fasteners securing the existing dust shields.
W5092654
Page
4(13)
Volvo Trucks North America
Field Service Bulletin
Date
8.2014
Group
No.
Release
511
003
01
5 Remove the dust shields.
W5092655
6 Remove the slack adjuster pawl.
Note: The Meritor slack adjuster is shown in this procedure for backing off the brakes.
However, this procedure is similar for other brands.
W5092267
Page
5(13)
Volvo Trucks North America
Field Service Bulletin
Date
8.2014
Group
No.
Release
511
003
01
7 Back off of the brake (slack adjuster).
W5092270
8 Remove the brake drum.
Note: Discard the brake drum.
W5092271
Page
6(13)
Volvo Trucks North America
Field Service Bulletin
Date
8.2014
Group
No.
Release
511
003
01
9 Remove the brake shoes, brake springs, and rollers.
W5092272
10 Install the new dust shields. See the table on page 1 for the correct part numbers.
W5092273
Page
7(13)
Volvo Trucks North America
Field Service Bulletin
Date
8.2014
Group
No.
Release
511
003
01
11 Install the six fasteners securing the dust shields.
12 Tighten dust shield fasteners to 40 ± 5 Nm (29 ± 3 ft-lb).
W5092274
13 Install the replacement brake shoes, springs and rollers.
Note: The brake springs and rollers are included in the brake shoe kit.
W5092275
Page
8(13)
Volvo Trucks North America
Field Service Bulletin
Date
8.2014
Group
No.
Release
511
003
01
14 Install the replacement brake drum (178 mm (7.0 in) wide). See the table on page 1 for the
correct part number.
W5092276
15 If applicable, loosen the brake chamber clamp and re-position the clamp at a 45° angle or
until proper clearance of the wheel is obtained. See figure below.
Note: Do not rotate the brake chamber. Rotate the clamp only.
Note: Ensure the brake chamber clamp does not interfere with the dust shield or Drum.
16 If applicable, tighten the brake chamber clamp fastener to 44 ± 4 Nm (32 ± 3 ft-lb).
W5092277
Page
9(13)
Volvo Trucks North America
Field Service Bulletin
Date
8.2014
Group
No.
Release
511
003
01
17 Install the wheel.
W5092266
18 Install the wheel nuts.
19 Tighten the wheel nuts to 610 Nm (450 ft-lb).
W5092265
Page
10(13)
Volvo Trucks North America
Field Service Bulletin
Date
8.2014
Group
No.
Release
511
003
01
20 Adjust the brake as recommended per (slack adjuster) manufacturer.
Note: The Meritor slack adjuster is shown in this procedure for adjusting the brake.
However, this procedure is similar for other brands.
W5092270
21 Install the slack adjuster pawl.
22 Tighten the slack adjuster pawl to 21 ± 3 Nm (186 ± 30 in-lb).
W5092267
Page
11(13)
Volvo Trucks North America
Field Service Bulletin
Date
8.2014
Group
No.
Release
511
003
01
23 Repeat steps 1 through 22 for the right side of the truck.
24 Lift the steer axle with a jack, remove the jack stands, and lower the axle.
25 Go to Commissioning the Truck for Operation.
Commissioning the Truck for Operation
1 Connect the battery cable to the negative (ground) terminal.
W3086758
2 Remove the wheel chocks.
W7086759
Page
12(13)
Volvo Trucks North America
Field Service Bulletin
Date
8.2014
Group
No.
Release
511
003
01
Reimbursement
This repair may be eligible for reimbursement
if a product failure was experienced within
time and mileage limits of the applicable
Warranty coverage. Reimbursement is
obtained via the normal claim handling
process.
UCHP
Reimbursement
eWarranty
Reimbursement
Claim Type (used only when uploading from
the Dealer Bus. Sys.)
W
W
Primary Labor Code (Brake Drum, Replacement)
5112-03-09-02
1.0 hrs.
51102–0–01
1.0 hrs.
Causal Part
25017906
25017906
Labor Code
VOLVO Trucks North America reserves the right to make any changes in design or to make
additions to or upon its products without incurring any obligations to install the same on
vehicles previously built.
Page
13(13)
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