NHTSA ID Number: 10044249
Manufacturer Communication Number: FSB-212-002
TSB/Document Date: 2012-05-24
Summary
VOLVO TRUCKS
: OIL SEEPAGE AT FLYWHEEL HOUSING. THIS PROBLEM HAS ALREADY BEEN SOLVED IN PRODUCTION, BUT THE PRODUCTION SOLUTION IS NOT COMPATIBLE WITH PREVIOUS GENERATION FLYWHEEL HOUSINGS. *JS
Field Service Bulletin
Trucks
Volvo Trucks North America
Greensboro, NC USA
Date
Group
No.
Release
Page
4.2012
212
002
01
1(18)
Oil Seepage at Flywheel Housing
SB-10044249-4672
FSB 212-002, Oil Seepage at Flywheel Housing
VN, VHD, VAH
US07
D13F
(April 2012)
Aftermarket has requested a solution to solve leaking flywheel housings. There is an area
near the PTO where the sealing between the flywheel housing and the timing gear plate
needs improvement. This problem has already been solved in production, but the production
solution is not compatible with previous generation flywheel housings.
A bracket has been created to reinforce the timing gear plate in this area. This reinforcement
increases the contact pressure in this area above the current production solution and will
eliminate the leaks. A kit has been created to solve each of the potential aftermarket
scenarios.
Required Parts
Description
Part Number
Flywheel Hsg Bracket Kit
21676748
W4070269
Service personnel: Please circulate, read and initial
Service
Manager
Warranty
Administrator
PV729-FSB212-002_V
Workshop
Foreman
Service Technicians
USA52743
Volvo Trucks North America
Field Service Bulletin
Date
4.2012
Group
No.
Release
212
002
01
Note: Information is subject to change without notice.
Illustrations are used for reference only and may differ slightly from the actual vehicle
being serviced. However, key components addressed in this information are represented
as accurately as possible.
You must read and understand the precautions and guidelines in Service Information,
group 20, "General Safety Practices, Engine" before performing this procedure. If you
are not properly trained and certified in this procedure, ask your supervisor for training
before you perform it.
Removal
1 Unlatch and raise the hood.
2 Disconnect the battery cables.
3 Remove the right side fairing under the passenger door (if equipped).
4 Remove the right side inner fender.
5 Drain the engine coolant.
6 Remove the air filter housing and fresh air pipe.
W2070256
Page
2(18)
Volvo Trucks North America
Field Service Bulletin
Date
4.2012
Group
No.
Release
212
002
01
7 Disconnect the AHI - coolant lines.
W2070258
Page
3(18)
Volvo Trucks North America
Field Service Bulletin
Date
4.2012
Group
No.
Release
212
002
01
8 Disconnect the AHI - fuel and air line and remove the mounting bracket at cylinder head.
W2070259
Page
4(18)
Volvo Trucks North America
Field Service Bulletin
Date
4.2012
Group
No.
Release
212
002
01
9 Remove the AHI wire harness from the clamps on the valve cover.
W4070265
Page
5(18)
Volvo Trucks North America
Field Service Bulletin
Date
4.2012
Group
No.
Release
212
002
01
10 Disconnect the difusser between the turbo and flex pipe and lay it to the side.
W2070257
Page
6(18)
Volvo Trucks North America
Field Service Bulletin
Date
4.2012
Group
No.
Release
212
002
01
11 Remove the EGR hot pipe.
W2070267
Page
7(18)
Volvo Trucks North America
Field Service Bulletin
Date
4.2012
Group
No.
Release
212
002
01
12 Remove the EGR heat shield (if equipped).
13 Remove the sound plate from the timing gear plate.
W4070254
Item Number
Description
1
Sound Plate
2
Sound Plate Screws
Page
8(18)
Volvo Trucks North America
Field Service Bulletin
Date
4.2012
Group
No.
Release
212
002
01
14 Install the stiffening bracket, using the correct fasteners and spacers and torque to
specifications.
W4070253
Note: 3 possible installations, please refer to illustration for installation
and part numbers.
Note: To be used on vehicles with AHI bracket.
Item Number
Description
Part Number
1
Bracket
21604236
2
Spacer
21604234
3
Flange Screw
975103
4
Flange Screw
946470
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TSB/Document ID: FSB-212-002
Replacement Service Bulletin Number:
MFR Communication Date: 2012-04-01
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ENGINE AND ENGINE COOLING:ENGINE
MFR Component System:
MFR Component Subsystem:
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