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Service bulletins for the 2018 Mack Pinnacle

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

318 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Only bulletins with component: Transmission and driveline are shown. Show all

Bulletins, newest first
KC-1452021-12-07. Service bulletin. POWER TRAIN. Automated Manual Transmission (AMT) (Spigot Bearing) Input Shaft Repair Kit And Shim Kit, Part Number Information, Reference Guide - US07 And Newer Emissions, Model Year 2008 And Newer
KC-1192021-12-07. Service bulletin. POWER TRAIN. Mack Chassis - Equipped With An Automated Manual Transmission (mDrive, AMT) AMT-C, AMT-D Or AMT-F - Transmission Oil Specifications - Model Years 2010 To 2020
KC-1242021-11-05. Service bulletin. POWER TRAIN. Automated Manual Transmission Gearbox Will Not Shift To High Range After Gearbox Repair; MID 130 PSID 24 FMI 1, P1072-92 Unintentional Disengagement Of High Range - US07 And Newer Emissions, Model Year 2008 And Newer
KC-1152021-11-05. Service bulletin. POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION:INTERNAL:GEARS. Automated Manual Transmission ( AMT ) ( I-Shift, mDRIVE ) Equipped Chassis, OBD13 And Newer - Light Turbo Surge ( Chuff ) During Skip Shifting
FSB 491-0322021-04-05. Service bulletin. EQUIPMENT; POWER TRAIN. Transmission Oil Cooler Hose, Replacement
FSB 491-0322020-12-01. Service bulletin. EQUIPMENT; POWER TRAIN; EQUIPMENT ADAPTIVE/MOBILITY. Transmission Oil Cooler Hose, Replacement
K705703422019-12-09. Service bulletin. POWER TRAIN. Mack Chassis - Equipped With An Allison Transmission: Enable 6th Speed - All Emissions, All Model Years
K413925142019-10-28. Service bulletin. POWER TRAIN:DRIVELINE:DRIVESHAFT. Mack Chassis - Drive Axle Brake Chamber Rubbing Frame Or Brake Drum - Vehicles Built Between 7 July 2014 And 23 August 2019
K102163902019-07-01. Service bulletin. POWER TRAIN; EQUIPMENT. ** Tech Tip ** - TT-019-2016 Automated Manual Transmission ( AMT ) Bearing And Gear Shaft Inspection
K150888042019-07-01. Service bulletin. POWER TRAIN. Mack Chassis - Equipped With An I-Shift Transmission - Transmission Bucking While in Reverse Gear; Vehicle Jerks In Reverse
K665007192019-07-01. Service bulletin. EQUIPMENT; POWER TRAIN. Automated Manual Transmission (AMT) Clutch Failures At Service Replacement; New Clutch Found To Be Damaged When Unboxed Or Fails Soon After Replacement
K912146782019-04-22. Service bulletin. EQUIPMENT; POWER TRAIN; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. Automated Manual Transmission (AMT) Faults - Diagnostic Trouble Codes (DTC) P1052-18 Or MID 130 PID 33 FMI 5 Intermittent Fault In Cold Weather - US07 And Newer Emissions, Model Year 2008 And Newer
K938233002019-02-19. Service bulletin. POWER TRAIN. Mack Chassis - Pinnacle (CHU,CXU), Granite (GU) With Mack Engine ONLY - Power Take Off ( PTO ) Engine Speed Control Inoperative; Engine Speed Does Not Ramp When PTO Is Activated - Model Year 2014 And Newer
K849404642019-02-19. Service bulletin. POWER TRAIN. Expired - Refer To K45673535 - Mack Chassis SNM15-002b mDRIVE Transmission Service Strategy ( Revised failure mode descriptions )
K938233002018-12-17. Service bulletin. POWER TRAIN; ENGINE. Mack Chassis - Pinnacle (CHU,CXU,PI), Anthem (AN), Granite (GU,GR) With Mack Engine ONLY - Power Take Off ( PTO ) Engine Speed Control Inoperative; Engine Speed Does Not Ramp When PTO Is Activated - Model Year 2007 And Newer
K833292912018-12-17. Service bulletin. POWER TRAIN; ENGINE. EXPIRED - Refer to Solution K42766159 - Turbo Compound - Customer Report Of Excessive Air Purging Or Air Compressor Cycling With Vehicle At Idle; Acceptable Secondary Air System Leakdown Time Frame During Extended Idle - US17+OBD16 And Newer Emissions, Common Model Year 2018 And Newer
K252291682018-12-17. Service bulletin. POWER TRAIN. Automated Manual Transmission Gearbox Will Not Shift To High Range After Gearbox Repair; MID 130 PSID 24 FMI 1, P1072-92 Unintentional Disengagement Of High Range - US07 And Newer Emissions, Model Year 2008 And Newer
K210752532018-10-15. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. Mack Chassis - Automated Manual Transmission Model F ( AMT-F, mDrive ) - Short Transmission Replacement; Calibration And/Or Shifting Problems Following Replacement Of A Short Transmission - US17+OBD2016 And Newer Emissions, Model Year 2018 And Newer
K911211662018-10-15. Service bulletin. ENGINE; POWER TRAIN:MANUAL TRANSMISSION. Mack Chassis - Automated Manual Transmission Model F (AMT-F, mDrive) - Possible Infrequent Hiccup/Stumble During Steady Engine/Vehicle Speed; Diagnostic Trouble Code P1074-92 Logging, Appears As Inactive - Common Model Years 2018 And 2019
K122469712018-10-15. Service bulletin. SUSPENSION; POWER TRAIN; STRUCTURE. Grounding Bus Bar On Frame Rail Stud; Inspection To Be Performed For Power And Ground, Data Link DTCs - US13 And Newer Emissions, Common Model Year 2018 And Newer
K486615442018-03-12. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION; STEERING:GEAR BOX:SHAFT SECTOR. Chassis Equipped With An AMT-F (mDrive) - Idle Drive Function Activates When Vehicle Is Reversing/Backing Up At Low Speed; Information And Repair - Build Date Beginning Of Production 2017 To February 2018

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.