Technical Service Bulletins

Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.

172,063 Unique Bulletins
4,686,952 Total Records
879 Vehicle Makes
1955–2025 Year Range
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Showing 2,701 bulletins for MACK

US4178_1 Apr 1, 2022
MACK — MACK
100000 POWER TRAIN
MACK DEFENSE-Transmission Clutch Life Expired (Clutch
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US932_4 Apr 1, 2022
MACK — MILITARY VEHICLE
110000 ELECTRICAL SYSTEM
MACK DEFENSE-SA Left PMV HLD Solenoid Shorted to Ground
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US936_3 Apr 1, 2022
MACK — MACK — 2 vehicle combinations
110000 ELECTRICAL SYSTEM
"MACK DEFENSE-AA Left PMV HLD Solenoid Shorted to Voltage"
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US935_5 Apr 1, 2022
MACK — MILITARY VEHICLE
110000 ELECTRICAL SYSTEM
MACK DEFENSE-DA Right PMV HLD Solenoid Open Circuit
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US935_4 Apr 1, 2022
MACK — MILITARY VEHICLE
110000 ELECTRICAL SYSTEM
MACK DEFENSE-DA Right PMV HLD Solenoid Shorted to Ground
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US935_3 Apr 1, 2022
MACK — MACK
110000 ELECTRICAL SYSTEM
MACK DEFENSE-DA Right PMV HLD Solenoid Shorted to Voltage
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US934_5 Apr 1, 2022
MACK — MACK
110000 ELECTRICAL SYSTEM
MACK DEFENSE-DA Left PMV HLD Solenoid Open Circuit
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US934_4 Apr 1, 2022
MACK — TD
110000 ELECTRICAL SYSTEM
MACK DEFENSE-DA Left PMV HLD Solenoid Shorted to Ground
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US792_10 Apr 1, 2022
MACK — MACK
110000 ELECTRICAL SYSTEM
MACK DEFENSE-Wheel Speed Sensor, DA Right WSS Loss of Sensor Signal
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US792_1 Apr 1, 2022
MACK — MACK
110000 ELECTRICAL SYSTEM
MACK DEFENSE-Wheel Speed Sensor, DA Right WSS Excessive Air Gap
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US791_9 Apr 1, 2022
MACK — MACK
110000 ELECTRICAL SYSTEM
MACK DEFENSE-Wheel Speed Sensor, DA Left WSS Output Low @ Drive-Off
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US934_3 Apr 1, 2022
MACK — MILITARY VEHICLE
110000 ELECTRICAL SYSTEM
MACK DEFENSE-DA Left PMV HLD Solenoid Shorted to Voltage
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US791_8 Apr 1, 2022
MACK — MACK
110000 ELECTRICAL SYSTEM
MACK DEFENSE-Wheel Speed Sensor, DA Left WSS Erratic Sensor Signal
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US791_7 Apr 1, 2022
MACK — MACK
110000 ELECTRICAL SYSTEM
MACK DEFENSE-Wheel Speed Sensor, DA Left WSS Wheel End
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US791_2 Apr 1, 2022
MACK — MACK
110000 ELECTRICAL SYSTEM
MACK DEFENSE-Wheel Speed Sensor, DA Left WSS Open or Shorted
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US791_13 Apr 1, 2022
MACK — MACK
110000 ELECTRICAL SYSTEM
MACK DEFENSE-Wheel Speed Sensor, DA Left WSS Tire Size Calibration
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US933_5 Apr 1, 2022
MACK — MILITARY VEHICLE
110000 ELECTRICAL SYSTEM
MACK DEFENSE-SA Right PMV HLD Solenoid Open Circuit
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US933_4 Apr 1, 2022
MACK — MILITARY VEHICLE
110000 ELECTRICAL SYSTEM
MACK DEFENSE-SA Right PMV HLD Solenoid Shorted to Ground
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US933_3 Apr 1, 2022
MACK — MACK
110000 ELECTRICAL SYSTEM
MACK DEFENSE-SA Right PMV HLD Solenoid Shorted to Voltage
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US932_5 Apr 1, 2022
MACK — MILITARY VEHICLE
110000 ELECTRICAL SYSTEM
MACK DEFENSE-SA Left PMV HLD Solenoid Open Circuit
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US100_3, 4 Apr 1, 2022
MACK — MILITARY VEHICLE — 2 vehicle combinations
130000 VISIBILITY
Wiper Relay High/Low, High/Wiper Relay High/Low, Low
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US4177_1 Apr 1, 2022
MACK — MACK
100000 POWER TRAIN
MACK DEFENSE-Transmission Fluid Deteriorated
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US100_9 Apr 1, 2022
MACK — MILITARY VEHICLE
061560 ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:PRESSURE/TEMPERATURE SENSOR
MACK DEFENSE-Engine Oil Pressure Missing
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US110_9 Apr 1, 2022
MACK — MILITARY VEHICLE
061560 ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:PRESSURE/TEMPERATURE SENSOR
MACK DEFENSE-Coolant Temp Missing
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US10_3, 4, 6 Apr 1, 2022
MACK — MACK
120000 EXTERIOR LIGHTING
MACK DEFENSE-Direction Indicators plus Brake Light Rear Left, High/Direction Indicators plus Brake Light Rear Left, Low/Direction Indicators plus Brake Light Rear Left, Overload
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