Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 449 bulletins for ALLISON
SIL 60-TR-81 Rev
Mar 8, 2021
100000 POWER TRAIN
Service information related to measurements and inspections for tolerances to ensure proper balance between the engine and transmission mating components
2021FA01
Mar 5, 2021
100000 POWER TRAIN
Announces field action related to a campaign initiated by Volvo bus for B500 model 9700 transmissions to recalibrate the TCM
2021FA02
Mar 5, 2021
103000 POWER TRAIN:AUTOMATIC TRANSMISSION
Announces field action related to a campaign initiated by Volvo bus for B500 model 9700 transmissions to recalibrate the TCM and inspect C1 drive hub and replace in specific vehicles
IS 367 Rev A
Mar 4, 2021
100000 POWER TRAIN
Instructions to help select the appropriate end cap O-rings and assembly process
10-TR-99 Rev W
Jan 19, 2021
100000 POWER TRAIN
Service letter related to transmission fluid and filter change recommendations
ST 1099 Rev W
Jan 19, 2021
100000 POWER TRAIN
Service tip notice related to transmission fluid and filter change recommendations
SIL20WT21 Rev A
Jan 18, 2021
100000 POWER TRAIN
Announces a change in part processing that leaves the part visibly darker than the former part
18-TR-20
Jan 7, 2021
100000 POWER TRAIN
Announces discontinuing support for AT and MT Series products
ST 1099 Rev V
Jan 5, 2021
100000 POWER TRAIN
Service tip notice related to transmission fluid and filter change recommendations
SIL 22-WT-20
Jan 5, 2021
100000 POWER TRAIN
Announces running changes to torque converters and new service kits
IS 367
Dec 8, 2020
350000 EQUIPMENT
Instructions to help select the appropriate end cap O-rings and assembly process
2020FA05
Dec 4, 2020
100000 POWER TRAIN
Notice of service campaign related to a possible quality issue in clutch hub
SIL 21-TR-20
Nov 30, 2020
063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
Announces software changes and calibration settings for emissions software
SIL 20-1K2K-20
Nov 13, 2020
103000 POWER TRAIN:AUTOMATIC TRANSMISSION
Announces re-design of the C1 piston seal ring
ST8763EN
Oct 30, 2020
103200 POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT
Announces next generation fluid with a new dipstick fluid identification tag
SIL 15-TR-20
Oct 21, 2020
103000 POWER TRAIN:AUTOMATIC TRANSMISSION
Announces redesigned torque converter components
2019FA07 Rev E
Sep 16, 2020
100000 POWER TRAIN
Announces campaign to replace the TIDB main valve body for parts that present specific symptoms
2020FA01 Rev B
Sep 16, 2020
103000 POWER TRAIN:AUTOMATIC TRANSMISSION
Announces a service campaign related to a non-safety-related concern with the TIBD Main Regulator Valve
6-WT-17EN Rev B
Aug 27, 2020
110000 ELECTRICAL SYSTEM
Announces release of remanufactured WTEC II Electronic Control Unit (ECU) and instructions when replacing the ECU
06-WT-04EN Rev C
Aug 26, 2020
100000 POWER TRAIN
Announces the release of several new re-trans products, including interchangeability
TT8735EN
Aug 21, 2020
100000 POWER TRAIN
Informs service technicians to avoid using certain chemicals when disinfecting the shift selector to contain the spread of COVID-19
60-TR-81EN Rev J
Aug 13, 2020
100000 POWER TRAIN
Service information related to measurements and inspections for tolerances to ensure proper balance between the engine and transmission mating components
SIL 07-TR-20
Jul 22, 2020
350000 EQUIPMENT
Service letter announcing change of material in the thrust washers
2019FA07 Rev D
May 28, 2020
160000 STRUCTURE
Announces campaign to replace the TIDB main valve body for parts that present specific symptoms
2020FA02 Rev A
May 28, 2020
103000 POWER TRAIN:AUTOMATIC TRANSMISSION
Announces a service campaign related to a non-safety-related concern with the TIBD Main Regulator Valve