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Allison Div Technical Service Bulletins

There have been 35 technical service bulletins issued for 1 Allison Div model.

Latest Technical Service Bulletins of Allison Div

Allison Div engine and engine cooling service bulletin (Bulletin SIL-08-WT-23)

Bulletin Date:	Sep. 22, 2023
Component:	Engine and engine cooling.
Bulletin Summary:	Service information related to 7-speed output shaft
Allison Div models covered in this TSB:	Allison Div Allison Div.

Allison Div engine and engine cooling service bulletin (Bulletin SIL-16-WT-20)

Bulletin Date:	Sep. 6, 2023
Component:	Engine and engine cooling.
Bulletin Summary:	Service letter providing notice of redesigned piston seals and piston, air solenoid valve nipple, and air solenoid valve fitting
Allison Div models covered in this TSB:	Allison Div Allison Div.

Allison Div power train service bulletin (Bulletin SIL 10-TR-99 Rev)

Bulletin Date:	Mar. 25, 2022
Component:	Power train.
Bulletin Summary:	Details transmission fluid types and service intervals
Allison Div models covered in this TSB:	Allison 1000 Series Transmission, Allison 2000 Series Transmission, Allison 3000 Series Transmission, Allison 4000 Series Transmission, Allison H 40 Ep Transmission, Allison H 50 Ep Transmission, Allison T2000 Series Transmission, Allison Div Allison Div, Allison Transmission, Inc B Series, Allison Transmission, Inc H 40 Ep Transmission, Allison Transmission, Inc H 50 Ep Transmission, Allison Transmission, Inc T Series, Allison Transmission, Inc T400 Series Transmission, Allison Transmission, Inc Tc10 Series Transmission.

Allison Div air bags service bulletin (Bulletin TT8819)

Bulletin Date:	Feb. 9, 2021
Component:	Air bags.
Bulletin Summary:	Service tip for transmissions with "check trans" light in vehicles equipped with certain engines
Allison Div models covered in this TSB:	Allison Div Allison Div.

Allison Div structure service bulletin (Bulletin 03-WT-21EN)

Bulletin Date:	Feb. 4, 2021
Component:	Structure.
Bulletin Summary:	Notice of change to tid b main valve body part number change
Allison Div models covered in this TSB:	Allison Div Allison Div.

Allison Div equipment service bulletin (Bulletin TT8532EN_201911)

Bulletin Date:	Nov. 20, 2019
Component:	Equipment.
Bulletin Summary:	Offers service tip due to calibration issue
Allison Div models covered in this TSB:	Allison Div Allison Div.

Allison Div exterior lighting service bulletin (Bulletin SIL 32-WT-19EN)

Bulletin Date:	Nov. 14, 2019
Component:	Exterior lighting.
Bulletin Summary:	Announces release of new filter life indicator spring
Allison Div models covered in this TSB:	Allison Div Allison Div.

Allison Div unknown or other service bulletin (Bulletin SIL 30-1K2K-19EN)

Bulletin Date:	Nov. 6, 2019
Component:	Unknown or other.
Bulletin Summary:	Announces part number change and compatibility with it
Allison Div models covered in this TSB:	Allison Div Allison Div.

Allison Div equipment service bulletin (Bulletin 2019FA03 Rev A)

Bulletin Date:	Nov. 6, 2019
Component:	Equipment.
Bulletin Summary:	Announces the proactive replacement of c3 clutch housing due to a potential quality issue
Allison Div models covered in this TSB:	Allison Div Allison Div.

Allison Div equipment service bulletin (Bulletin TT8009 Rev B)

Bulletin Date:	Aug. 17, 2018
Component:	Equipment.
Bulletin Summary:	Service tip regarding upshift issues that will be addressed by freightliner custom chassis corporation
Allison Div models covered in this TSB:	Allison Div Allison Div.

Allison Div power train service bulletin (Bulletin SIL 10-TR-99 Rev)

Bulletin Date:	Jul. 26, 2018
Component:	Power train.
Bulletin Summary:	Details transmission fluid types and service intervals
Allison Div models covered in this TSB:	Allison Div Allison Div.

Allison Div equipment service bulletin (Bulletin SIL 01-WT-18 Rev)

Bulletin Date:	Jul. 18, 2018
Component:	Equipment.
Bulletin Summary:	Announces filter kit part numbers that have been superseded and interchangeability
Allison Div models covered in this TSB:	Allison Div Allison Div.

Allison Div equipment service bulletin (Bulletin SIL 19-EP-18)

Bulletin Date:	Jul. 6, 2018
Component:	Equipment.
Bulletin Summary:	Announces release of new internal piston service seal
Allison Div models covered in this TSB:	Allison Div Allison Div.

Allison Div power train service bulletin (Bulletin SIL 21-TR-18)

Bulletin Date:	Jul. 1, 2018
Component:	Power train.
Bulletin Summary:	Announces policy to return switches used in prior generations of transmissions
Allison Div models covered in this TSB:	Allison Div Allison Div.

Allison Div power train service bulletin (Bulletin ST 815 Rev C)

Bulletin Date:	Jan. 11, 2016
Component:	Power train.
Bulletin Summary:	Service tip regarding allison transmission service/parts information release notification
Allison Div models covered in this TSB:	Allison 1000 Series Transmission, Allison 2000 Series Transmission, Allison 2400 Series Transmission, Allison 3000 Series Transmission, Allison 4000 Series Transmission, Allison B Series, Allison B300, Allison B300 Series Transmission, Allison B3400, Allison B400, Allison B400 Series Transmission, Allison H 40 Ep Transmission, Allison H 50 Ep Transmission, Allison T Series, Allison T1000 Series Transmission, Allison T2000 Series Transmission, Allison T260, Allison T270, Allison T280, Allison T3000 Series Transmission, Allison T310, Allison T325, Allison T3280, Allison T3325, Allison T3375, Allison T350, Allison T375, Allison T390, Allison T4000 Series Transmission, Allison Tc10 Series Transmission, Allison Transmission, 1995 Allison Div Allison Div, 1997 Allison Div Allison Div, Allison Div Allison Div, Allison Transmission, Inc B Series, Allison Transmission, Inc B300 Series Transmission, Allison Transmission, Inc B3400, Allison Transmission, Inc B400 Series Transmission, Allison Transmission, Inc H 40 Ep Transmission, Allison Transmission, Inc H 50 Ep Transmission, Allison Transmission, Inc T Series, Allison Transmission, Inc T100 Series Transmission, Allison Transmission, Inc T200 Series Transmission, Allison Transmission, Inc T300 Series Transmission, Allison Transmission, Inc T3280, Allison Transmission, Inc T3325, Allison Transmission, Inc T3375, Allison Transmission, Inc T400 Series Transmission, Allison Transmission, Inc Tc10 Series Transmission.

Allison Div automatic transmission service bulletin (Bulletin FA-2011FA07)

Bulletin Date:	Feb. 1, 2012
Component:	Automatic transmission.
Bulletin Summary:	Allison transmission: a service action procedure is provided regarding the replacement of drive unit suction filters on some buses, and once replaced, oil level on push button shift selector (pbss) will read ok. No model or years listed.
Allison Div models covered in this TSB:	Allison Div Allison Div.

Allison Div battery service bulletin (Bulletin ATI-1-1)

Bulletin Date:	Nov. 5, 2010
Component:	Battery.
Bulletin Summary:	Allison: batteries can be charged at high charge rate when coupled with certain conditions on long downhill operations. Downhill grades are susceptible because of descending low grade and temperature.
Allison Div models covered in this TSB:	Allison Div Allison Div.

Allison Div automatic transmission service bulletin (Bulletin 2008FA-4)

Bulletin Date:	May. 1, 2008
Component:	Automatic transmission.
Bulletin Summary:	Allison transmission service campaign: see document search button for owner letter. High voltage interlock loop (hvil) circuit cards for ep 40/50 system, installed in dual power inverter modules (dpim) built between 6/14/05 & 6/20/06 will b
Allison Div models covered in this TSB:	Allison Transmission, Allison Div Allison Div.

Allison Div manual transmission service bulletin (Bulletin 4WT00B)

Bulletin Date:	Aug. 1, 2001
Component:	Manual transmission.
Bulletin Summary:	Information regarding wt product changes for cy2000 transmissions.
Allison Div models covered in this TSB:	Allison Div Allison Div.

Allison Div manual transmission service bulletin (Bulletin 71K2K01A)

Bulletin Date:	Jul. 1, 2001
Component:	Manual transmission.
Bulletin Summary:	Information regarding 1000/2000/2400 retran transmissions.
Allison Div models covered in this TSB:	Allison Div Allison Div.

Allison Div automatic transmission service bulletin (Bulletin 14)

Bulletin Date:	Jul. 1, 2001
Component:	Automatic transmission.
Bulletin Summary:	Suction filter redesign with felt media and bypass.
Allison Div models covered in this TSB:	Allison Div Allison Div.

Allison Div unknown or other service bulletin (Bulletin 13TR01)

Bulletin Date:	Jul. 1, 2001
Component:	Unknown or other.
Bulletin Summary:	Information regarding transfer plate part number 23017500.
Allison Div models covered in this TSB:	Allison Div Allison Div.

Allison Div manual transmission service bulletin (Bulletin 15WT01)

Bulletin Date:	Jun. 1, 2001
Component:	Manual transmission.
Bulletin Summary:	Information regarding reduced clearance planetary spindles and spindle retaining ring, including models md3000/b300/b400/3000mh.
Allison Div models covered in this TSB:	Allison Div Allison Div.

Allison Div clutch assembly service bulletin (Bulletin 97120198000)

Bulletin Date:	Apr. 29, 1998
Component:	Clutch assembly.
Bulletin Summary:	Campaign bulletin on customer satisfaction campaign to install improved c5 clutch friction plates in b 300(r), b 400(r), and b 500(r) transmissions in transit bus and tour coach service.
Allison Div models covered in this TSB:	1997 Allison Div Allison Div.

Allison Div axle assembly banjo housing service bulletin (Bulletin 26TR95)

Bulletin Date:	Dec. 1, 1995
Component:	Axle assembly banjo housing.
Bulletin Summary:	New output retarder adapter to retarder housing gasket.
Allison Div models covered in this TSB:	Allison Div Allison Div.

Allison Div automatic transmission service bulletin (Bulletin 27WT95)

Bulletin Date:	Dec. 1, 1995
Component:	Automatic transmission.
Bulletin Summary:	Retarder flow valve spring reduces the chance of the retarder sticking in the 'on' position.
Allison Div models covered in this TSB:	Allison Div Allison Div.

Allison Div automatic transmission torque converter service bulletin (Bulletin 24WT95)

Bulletin Date:	Nov. 1, 1995
Component:	Automatic transmission torque converter.
Bulletin Summary:	A separator plate and gasket change was implemented on all world transmissions on September 1, 1995. The change was implemented to eliminate converter regulator pin battering.
Allison Div models covered in this TSB:	Allison Div Allison Div.

Allison Div automatic transmission torque converter service bulletin (Bulletin CAMP95C1)

Bulletin Date:	Jul. 1, 1995
Component:	Automatic transmission torque converter.
Bulletin Summary:	Allison transmission has determined that vehicles which utilize the b 500/hd 4000 series transmission torque converter housing side mount pads to support the powerpack may create a crack around the mounting pad. This crack may eventually
Allison Div models covered in this TSB:	Allison Div Allison Div.

Allison Div automatic transmission service bulletin (Bulletin 18WT95)

Bulletin Date:	Jul. 1, 1995
Component:	Automatic transmission.
Bulletin Summary:	Hd 4000(r)/b 500(r) calibration changes.
Allison Div models covered in this TSB:	Allison Div Allison Div.

Allison Div engine service bulletin (Bulletin 5TR95)

Bulletin Date:	Mar. 1, 1995
Component:	Engine.
Bulletin Summary:	New output retarder accumulator cover gasket release.
Allison Div models covered in this TSB:	1995 Allison Div Allison Div.

Allison Div automatic transmission service bulletin (Bulletin 7TR95)

Bulletin Date:	Mar. 1, 1995
Component:	Automatic transmission.
Bulletin Summary:	Product enhancement for reverse pressure switch, p/n 29503665.
Allison Div models covered in this TSB:	Allison Div Allison Div.

Allison Div clutch assembly service bulletin (Bulletin 41TR94)

Bulletin Date:	Oct. 1, 1994
Component:	Clutch assembly.
Bulletin Summary:	Reduced clutch clearance for improved shift quality.
Allison Div models covered in this TSB:	Allison Div Allison Div.

Allison Div automatic transmission torque converter service bulletin (Bulletin 40TR94)

Bulletin Date:	Oct. 1, 1994
Component:	Automatic transmission torque converter.
Bulletin Summary:	Problems with torque converter attatching nuts.
Allison Div models covered in this TSB:	Allison Div Allison Div.

Allison Div automatic transmission service bulletin (Bulletin 14TR93)

Bulletin Date:	Mar. 1, 1993
Component:	Automatic transmission.
Bulletin Summary:	New transmission accumulator.
Allison Div models covered in this TSB:	Allison Div Allison Div.

Allison Div automatic transmission service bulletin (Bulletin 9TR93)

Bulletin Date:	Feb. 1, 1993
Component:	Automatic transmission.
Bulletin Summary:	A viton o-ring has been released to service the inner o-rings.
Allison Div models covered in this TSB:	Allison Div Allison Div.

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