NHTSA ID Number: 10181049
Manufacturer Communication Number: SB35-036
TSB/Document Date: 2020-10-12
Summary
Freightliner
Service Bulletin for Axle Flange Gasket Replaced with O-Ring. Daimler Trucks North America has released a new axle shaft to hub rubber O-ring (part number 11-30728-000) as a replacement for the paper gasket (part number 11-14418-000). The new O-ring will provide better sealing and is reusable. It is quicker and easier to use compared to the paper gasket, because using a paper gasket requires cleaning the hub when the axle shaft is removed.
Axle Flange Gasket Replaced with O-Ring
FLA COE
FLB COE
FLD Conventional
Business Class
FLC 112 Conventional
> Century Class Conventional
> Argosy
Cargo
> Columbia
> 122SD and Coronado
> Business Class M2
> Cascadia
> 108SD/114SD
> New Cascadia
35-036
Freightliner
Service Bulletin
General Information
Daimler Trucks North America has released a new axle shaft to hub rubber O-ring (part number 11-30728-000)
as a replacement for the paper gasket (part number 11-14418-000). The new O-ring will provide better sealing
and is reusable. It is quicker and easier to use compared to the paper gasket, because using a paper gasket
requires cleaning the hub when the axle shaft is removed. Most ConMet aluminum hubs have a groove at the
end of the hub, where the O-ring can be installed. The O-ring is backwards compatible with those hubs that
have a proper groove. See Table 1 for compatible hub bill of material (BOM) numbers, and Table 2 for
compatible hub part numbers. The fastener torque values for this module remains the same.
449-C01900
449-C01901
449-C01902
449-C01903
449-C01904
449-C01905
449-C01910
449-C01911
449-C01912
449-C01913
449-C01914
449-C01915
449-C02402
449-C02403
449-T00016
449-T00043
449-T50290
449-T50301
449-T50307
450-C05800
450-C05801
450-C05802
450-C05803
450-C05804
450-C05805
450-C05806
450-C05807
450-C05808
450-C05809
450-C05810
450-C05811
450-C05812
450-C05813
Freightliner Service Bulletin, 10/6/2020
Compatible Hub BOM Numbers
450-C05815
450-C05956
450-C05816
450-C05957
450-C05817
450-C05958
450-C05818
450-C05959
450-C05819
450-C05960
450-C05820
450-T00104
450-C05821
450-T00105
450-C05822
450-T00115
450-C05823
450-T00116
450-C05824
450-T00127
450-C05825
450-T00128
450-C05826
450-T00129
450-C05827
450-T00130
450-C05828
450-T00133
450-C05832
450-T00136
450-C05833
450-T00140
450-C05834
450-T00142
450-C05835
450-T00143
450-C05836
450-T00144
450-C05837
450-T00145
450-C05838
450-T00146
450-C05925
450-T00148
450-C05926
450-T00149
450-C05927
450-T00150
450-C05928
450-T00151
450-C05929
450-T00158
450-C05930
450-T00160
450-C05937
450-T00166
450-C05938
450-T00167
450-C05939
450-T00168
450-C05940
450-T00176
450-C05945
450-T00177
450-C05946
450-T00179
Page 1
35-036
Axle Flange Gasket Replaced with O-Ring
Freightliner
Service Bulletin
FLA COE
FLB COE
FLD Conventional
Business Class
FLC 112 Conventional
450-C05814
> Century Class Conventional
> Argosy
Cargo
> Columbia
> 122SD and Coronado
> Business Class M2
> Cascadia
> 108SD/114SD
> New Cascadia
Compatible Hub BOM Numbers
450-C05955
450-T51042
Table 1, Compatible Hub BOM Numbers
CM
CM
CM
CM
CM
CM
CM
CM
CM
10031223
10031224
10031226
10031227
10036776
10036777
10080424
10080425
10080426
Compatible Hub Part Numbers
CM 10080427
CM 10080428
CM 10080429
CM 10081040
CM 10081041
CM 10081042
CM 10081059
CM 10081412
CM 10081424
CM
CM
CM
CM
CM
CM
CM
CM
10081425
10081426
10083164
10083166
10084651
10084653
10084942
10084945
–
Table 2, Compatible Hub Part Numbers
Replacement Procedure
1. Park the vehicle on a level surface, shut down the engine, and set the parking brake. Chock the tires.
2. Remove the wheels. For instructions, refer to Group 40 of the of the applicable workshop manual.
3. Remove the axle shafts. For instructions, refer to Group 35 of the of the applicable workshop manual.
4. Remove and discard the gasket. Clean the axle shaft to hub mounting surface.
5. Locate the O-ring groove at the end of the hub. See Fig. 1.
2
1
09/29/2020
1. Hub
f350694
2. O-Ring Groove
Fig. 1, O-Ring Groove Location
Page 2
Freightliner Service Bulletin, 10/6/2020
35-036
Axle Flange Gasket Replaced with O-Ring
FLA COE
FLB COE
FLD Conventional
Business Class
FLC 112 Conventional
> Century Class Conventional
> Argosy
Cargo
> Columbia
> 122SD and Coronado
Freightliner
Service Bulletin
> Business Class M2
> Cascadia
> 108SD/114SD
> New Cascadia
6. Install the O-ring in the groove. When properly seated, the outer surface of the O-ring should appear slightly
outside the hub surface. See Fig. 2.
2
1
09/24/2020
1. Hub
f350696
2. O-Ring
Fig. 2, O-Ring Seating
7. Install the axle shafts. For instructions, refer to Group 35 of the of the applicable workshop manual.
8. Fill the hub with oil of appropriate grade. For instructions, refer to Group 35 of the applicable workshop
manual.
9. Install the wheels. For instructions, refer to Group 40 of the of the applicable workshop manual.
Warranty
This is an information bulletin only and not intended for pro-active work. Warranty does not apply.
Freightliner Service Bulletin, 10/6/2020
Page 3
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TSB/Document ID: SB35-036
Replacement Service Bulletin Number:
MFR Communication Date: 2020-10-07
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: POWER TRAIN
MFR Component System:
MFR Component Subsystem:
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