NHTSA ID Number: 10075606
Manufacturer Communication Number: SIL 10-1K2K-09 D
TSB/Document Date: 2016-07-07
Summary
SUMMARY TO BE PROVIDED ON A FUTURE DATE.
Housing C1
29542811
29546277
Bleed hole relocated from C1 piston
Piston C1
29543239
29549579
Bleed hole removed
C2 Hub
29536962
29546705
*
Vent holes added
P1 Drive Flange
29531094
29546706
*
Vent holes added
Turbine Shaft Assembly
29539506
29548947
*
Reduced size lube orifice
Main Shaft
29536984
29546284
*
Reduced size lube orifice
2010 Uprate P/N
Description of Change
29546281
Changes to accommodate increased horsepower
and torque ratings
29547424
*
29546282
Reduced size lube orifice
Changes to accommodate increased horsepower
and torque ratings
*This part was early released into production in July 2009. See SIL 16–1K2K09
Interchangeability:
The current 2010 Uprate Rotating Clutch Housing P/N 29546585, included in part numbers P/N 29546704,
P/N 29547425, P/N 29546282, P/N 29547424, and P/N 29546281, is backwards compatible to the S/N breakpoints
of the MY06 hardware design change (see SIL 131K2K05).
The current 2010 Uprate P2 Drive Hub P/N 29546705 and P1 Drive Flange P/N 29546706 are backwards
compatible to the S/N breakpoints of the MY06 hardware design change (see SIL 131K2K05).
The current 2010 Uprate C1 Friction Plates P/N 29546276 , C1 Housing P/N 29546277, and C1 Piston
P/N 29546278 are not interchangeable backward with the former Pre 2010 Uprate design.
The C1 Reaction Plates P/N 29530314 are the same design. The quantity has been increased from six (6)
to seven (7) in the 2010 Uprate design.
The current 2010 Uprate Turbine Shaft Assembly P/N 29548947 and the Main Shaft P/N 29546284 are backwards
compatible as long as all the Pre 2010 Uprate shafts are replaced with a set of current 2010 Uprate shafts. All of
the former Pre 2010 Uprate shafts will be available for purchase so that all four 2010 Uprate shafts will not have to
be purchased to replace any one Pre 2010 Uprate shaft.
Copyright © 2015 Allison Transmission, Inc. All Rights Reserved.
SIL 101K2K09, Rev. D
November, 2015
Product Code(s):
Page 21 of 62
Parts Modifications:
Changes have taken place in the physical appearance of the parts found in Table 6. Refer to Figures 13–22.
Service Parts Information:
The following former Pre 2010 Uprate parts will be available from the Allison PDC: C1 Friction Plates
P/N 29538468, C1 Housing P/N 29542811, Turbine Shaft Assembly P/N 29539506, Main Shaft P/N 29536984, and
C1 Piston P/N 29543239. All current 2010 Uprate parts will be available for purchase from the AllisonPDC except
the Housing Assembly and Bushing P/N 29546704 and Rotating Clutch Housing P/N 29546585. These will be
serviced with either the Rotating Clutch Housing and Tone Wheel Assembly P/N 29547425 or Rotating Clutch
Housing and PTO Gear Assembly P/N 29547424.
All of the former Pre 2010 Uprate Shafts will be available for purchase so that all four 2010 Uprate shafts will not
have to be purchased to replace any one Pre 2010 Uprate shaft.
Copyright © 2015 Allison Transmission, Inc. All Rights Reserved.
SIL 101K2K09, Rev. D
November, 2015
Product Code(s):
Page 22 of 62
Figure 14. Clutch and Shaft Assembly Rotating with PTO
*
*Part number 29549726 is the early release Clutch and Shaft AssemblyRotating,
PTO
Copyright © 2015 Allison Transmission, Inc. All Rights Reserved.
SIL 101K2K09, Rev. D
November, 2015
Product Code(s):
Page 23 of 62
Figure 15. Housing and PTO Gear Assembly
Copyright © 2015 Allison Transmission, Inc. All Rights Reserved.
SIL 101K2K09, Rev. D
November, 2015
Product Code(s):
Page 24 of 62
Figure 16. Clutch and Shaft Assembly Rotating without PTO
*
*Part number 29549727 is the early release Clutch and Shaft AssemblyRotating,
PTO
Copyright © 2015 Allison Transmission, Inc. All Rights Reserved.
SIL 101K2K09, Rev. D
November, 2015
Product Code(s):
Page 25 of 62
Figure 17. Housing and Tone Wheel Assembly
Copyright © 2015 Allison Transmission, Inc. All Rights Reserved.
SIL 101K2K09, Rev. D
November, 2015
Product Code(s):
Page 26 of 62
Figure 18. C1 Clutch Friction Plate
Copyright © 2015 Allison Transmission, Inc. All Rights Reserved.
SIL 101K2K09, Rev. D
November, 2015
Product Code(s):
Page 27 of 62
Figure 19. Housing C1
Copyright © 2015 Allison Transmission, Inc. All Rights Reserved.
SIL 101K2K09, Rev. D
November, 2015
Product Code(s):
Page 28 of 62
Figure 20. Piston C1
Copyright © 2015 Allison Transmission, Inc. All Rights Reserved.
SIL 101K2K09, Rev. D
November, 2015
Product Code(s):
Page 29 of 62
Figure 21. C2 Hub
Copyright © 2015 Allison Transmission, Inc. All Rights Reserved.
SIL 101K2K09, Rev. D
November, 2015
Product Code(s):
Page 30 of 62
Figure 22. P1 Drive Flange
Copyright © 2015 Allison Transmission, Inc. All Rights Reserved.
SIL 101K2K09, Rev. D
November, 2015
Product Code(s):
Page 31 of 62
Figure 23. Turbine Shaft Assembly
Copyright © 2015 Allison Transmission, Inc. All Rights Reserved.
SIL 101K2K09, Rev. D
November, 2015
Product Code(s):
Page 32 of 62
Figure 24. Main Shaft
Copyright © 2015 Allison Transmission, Inc. All Rights Reserved.
SIL 101K2K09, Rev. D
November, 2015
Product Code(s):
Page 33 of 62
Oil Pump Group (10 group)
Table 7. Oil Pump
Part Name
Pre 2010 Uprate P/N
2010 Uprate P/N
Description of Change
Support Assembly
Front
29547605
29549723 *
29547715
Not available, must buy detailed parts
Support Assembly
Front, Ground Sleeve
and Bearing
29542793
29549724 *
29546323
Part of the 2010 Uprate front support design
Support Assembly and
Ground Sleeve
29542794
29549725 *
29546324
Part of the 2010 Uprate front support design
Support Front
29542795
29549325
Not available, must buy 29546323 assembly
Ground Sleeve and
Bushing
29531309
29546302
*
Lube orifice size change
Ground Sleeve
29531015
29546283
*
Lube orifice size change
Main Pressure
Regulator Valve
29541138
29547600
29547716
Part of the modified valve design
Spring Main Pressure
Regulator
29544465
29546317
Part of the modified valve design
Stop and Oring
assembly
N/A
29546314
Part of the modified valve design
Main Regulator Stop
29531018
29546318
Part of the modified valve design
Oring
N/A
29546762
Part of the modified valve design
Converter Flow Valve
29541144
29547604
29547719
Part of the modified valve design
Converter Flow Valve
Spring
29531024
29546320
Part of the modified valve design
Converter Flow Valve
Stop
29531028
29546321
Part of the modified valve design
Seal Ring (3)
29538940
29546763
New seal ring design
Separator Plate
29541148
29546315*
Hole and slot change
Ball
N/A
453614
New PopOff Valve design
Plug Cap
N/A
8661701
New PopOff Valve design
Spring
29541228
29541228
New PopOff Valve design, same as
Lube Regulator Spring
Retaining Pin
N/A
23049372
New PopOff Valve design
*This part was early released into production in July 2009. See SIL 16–1K2K09
Interchangeability:
The current 2010 Uprate Separator Plate P/N 29546315 is interchangeable back to the 04i Front Support SOP
(SIL 131K2K03). The Ground Sleeve and Bushing Assembly P/N 29546302 is interchangeable backwards, but
must be used with all 2010 Uprate Turbine, Main, and Output shafts and not mixed with Pre 2010 Uprate Turbine,
Main, and Output shafts. The remaining current 2010 Uprate parts included in Table 7 are not interchangeable
backwards with the Pre 2010 Uprate content.
Copyright © 2015 Allison Transmission, Inc. All Rights Reserved.
SIL 101K2K09, Rev. D
November, 2015
Product Code(s):
Page 34 of 62
Parts Modifications:
Many changes have taken place in the physical appearance of the parts found in Table 7. Refer to Figures 23–27.
Spare Parts Information.
The former Pre 2010 Uprate parts that will be available for purchase from the Allison PDC are the Main
Pressure Regulator Valve P/N 29541138, Main Pressure Regulator Spring P/N 29544465, Main Regulator Stop
P/N 29531018, Converter Flow Valve P/N 29541144, Converter Flow Valve Spring P/N 29531024, Converter Flow
Valve Stop P/N 29531028, Seal Ring P/N 29538940, Ground Sleeve and Bushing Assembly P/N 29531309, Ground
Sleeve P/N 29531015, and the Front Support Assembly and Ground Sleeve and Bearing P/N 29549724 which will
also service the Front Support Assembly and Ground Sleeve P/N 29549725 and the Front Support P/N 29542795.
All current 2010 Uprate parts listed in Table 7 will be available for purchase from the Allison PDC except for the
Front Support Assembly P/N 29547715 which is not serviced as an assembly.
The Front Support Assembly and Ground Sleeve P/N 29546324 and the Front Support P/N 29549325 will be
serviced with the Front Support Assembly Ground Sleeve and Bearing P/N 29546323.
CAUTION: 2010 Uprate Shaft parts must be used as a complete set. Ground Sleeve and Bushing
P/N 29546302 used in the Pre 2010 Uprate Front Support Assembly P/N 29549725, P/N 29549724,
P/N 29549723 and also used in the 2010 Uprate Front Support Assemblies P/N 29546324, P/N 29546323,
P/N 29547715 must be used with 2010 Uprate shafts, Turbine Shaft Assembly P/N 29548947, Main Shaft
P/N 29546284, and Output Shaft Assembly P/N 29546744.
New Service Procedures:
One of the new features included in the 2010 Uprate Front Support Assembly is the PopOff Valve system that
regulates main pressure spikes during cold start up. Disassembly of the PopOff Valve system is not necessary
unless visible debris is discovered during transmission overhaul or the front support is observed to be significantly
contaminated with debris. No special tools are required to complete disassembly of the pop of valve system. A
tap can be used to remove the plug cap and 90 degree needle nose pliers can be used to remove the retaining
pin. The spring used in the PopOff Valve system is not a high force spring and does not exert a significant force
on the retaining pin or ball and can be removed without difficulty. During the reassembly process, after the ball,
spring, and retaining pin have been installed, a new cup plug needs to be pressed into the retaining pin bore to
hold the retaining pin in place.
NOTE: New 2010 Uprate Spring data, see Table 9.
Copyright © 2015 Allison Transmission, Inc. All Rights Reserved.
SIL 101K2K09, Rev. D
November, 2015
Product Code(s):
Page 35 of 62
Figure 25. Front Support, Ground Sleeve and Bearing
Copyright © 2015 Allison Transmission, Inc. All Rights Reserved.
SIL 101K2K09, Rev. D
November, 2015
Product Code(s):
Page 36 of 62
Figure 26. Main Pressure Regulator Valve, Spring and Stop
Copyright © 2015 Allison Transmission, Inc. All Rights Reserved.
SIL 101K2K09, Rev. D
November, 2015
Product Code(s):
Page 37 of 62
Figure 27. Converter Flow Valve, Spring and Stop
Copyright © 2015 Allison Transmission, Inc. All Rights Reserved.
SIL 101K2K09, Rev. D
November, 2015
Product Code(s):
Page 38 of 62
Figure 28. Seal Ring
Copyright © 2015 Allison Transmission, Inc. All Rights Reserved.
SIL 101K2K09, Rev. D
November, 2015
Product Code(s):
Page 39 of 62
Figure 29. Separator Plate
Copyright © 2015 Allison Transmission, Inc. All Rights Reserved.
SIL 101K2K09, Rev. D
November, 2015
Product Code(s):
Page 40 of 62
Control Valve Group (18 group)
Table 8. Control Valve Group
Part Name
Pre 2010 Uprate
P/N
2010 Uprate P/N
Description of Change
Control Module Complete
Assembly 24 Way Connector
29543335
29545979
Control module redesign to the PCS1 and
PCS2 trim systems and Variable Modulated Main
system. Removal of the Main Modulation Body
and reverse and 6th Speed Tube.
Main Valve Body Assembly
29543342
29545997
Module redesign
Main Valve Body Assembly
with Dowels Pressed
29543341
29545996
Module redesign
Main Valve Body
29543340
29550271
Module redesign
Check Ball Capsule
N/A
29549893 (2)
TCC Valve
29542979
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TSB/Document ID: SIL 10-1K2K-09 D
Replacement Service Bulletin Number:
MFR Communication Date: 2015-11-01
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: POWER TRAIN:AUTOMATIC TRANSMISSION
MFR Component System:
MFR Component Subsystem:
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