WenmarOpen by Wenmar Pro

Service bulletins for the 2024 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.

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

By type

By component

By trouble code

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
TSB M-913-001 2026092026-10-02. Service bulletin. ENGINE; POWER TRAIN. Parker engine-mounted hydraulic pump service bulletin.
CBR-2592-1 2026062026-06-29. Service bulletin. ENGINE. The purpose of this CBR is to provide steps on how to correct a customer complaint of DTC P107B86 accompanied With intermittent loss of throttle.
CBR 2107-22 2026012026-02-02. Service bulletin. ENGINE. CBR - Mack DEF Level (UQLS) Sensor Troubleshooting Guide - US17+OBD16 Emissions to US22+OBD2023 (DOES NOT APPLY TO AN(4) and PR(4)).
CBR 199 2025122026-01-05. Service bulletin. ENGINE. Vehicles affected by this issue will show coolant runoff on the front rights side of the engine.
CBR 2171-11 2025112025-12-03. Service bulletin. ENGINE; ELECTRICAL SYSTEM. CBR - Mack Temperature Sensor Troubleshooting Guide
CBR 199-6 2025112025-12-03. Service bulletin. ENGINE. CBR - 13 Liter Engines ONLY - Engine Coolant Pump Housing Leak; Coolant Found Around The Oil Cooler Duct Cover Or In Between The Coolant Pump Housing And Oil Cooler Housing.
CBR 2107-21 2025052025-06-02. Service bulletin. FUEL/PROPULSION SYSTEM; ENGINE. Mack DEF Level (UQLS) Sensor Troubleshooting Guide - US17+OBD16 Emissions and Newer
CBR 170-8 2025052025-06-02. Service bulletin. ENGINE. Inactive Code P25AE00 Being Generated After A Hard Pull And A Momentary Drop In Engine Oil Pressure (Low Oil Pressure) (Possible Related Codes - SPN4811 , SPN 100 , PID 100)
CBR-561 2025032025-04-02. Service bulletin. ENGINE. If oil dilution is suspected refer to the applicable CBR solution below: ∙ CBR-659􀁡Mack Chassis - Oil Diluted With Fuel; Fuel In Oil, Diagnostic Information - All Emissions, All Model Years
S4342-2025022025-03-03. Service bulletin. FUEL/PROPULSION SYSTEM; ENGINE. Mack Trucks has determined that a select group of trucks were built with an AHI Module fuel pressure sensor which does not meet our specifications.
CBR-997 2024112024-12-02. Service bulletin. ENGINE. Vehicles may present with oil leak coming from the clutch/flywheel housing and observation of burned clutch smell or clutch slipping. These symptoms can be mistaken as a crankshaft rear main seal leak, when the actual cause is the crankshaft adaptor O-ring.
CBR-2417 2024112024-11-27. Service bulletin. ENGINE. CBR - 11L Engine block compatibility and Backward Conversion Parts Requirements
M0296 2024102024-11-04. Emissions. ENGINE. Emission Recall - Mack Trucks has determined that certain vehicles equipped with a model year (“MY”) 2022-2024 MP8 model engines, may be equipped with an improper engine software calibration that does not match the engine certification label.
CBR-2411 2024102024-11-04. Service bulletin. ENGINE. CBR - One-Box SCR Weld Leaks.
CBR-2409 2024102024-11-04. Service bulletin. ENGINE. CBR - 13L Engine - Rear Main Oil Seal Leak - Model Year 2025
CBR-2263 2024102024-11-04. Service bulletin. ENGINE. CBR - Mack Chassis - Timing Gear Plate Repair
CBR-561 2024082024-09-04. Service bulletin. ENGINE. CBR: 11L, 13L, And 16L Engine Oil Analysis Specifications - US10 And Newer Emissions
CBR-523 2024082024-09-04. Service bulletin. ENGINE. CBR: Overhead Wear Overview - Model Year2018 To Current (Common Rail Fuel System ONLY)
CBR-2388 2024072024-08-01. Service bulletin. ENGINE. CBR: Mack Pinnacle With 70 Inch Sleeper -Heater Hoses/Pipes Rubbing Inner Hood
CBR-2214 2024072024-08-01. Service bulletin. ENGINE. CBR: Turbo Compound 2nd Generation - EGR And O r DPF Diagnostic Trouble Codes(DTC), Diagnostic And Repair Information
CBR-2214 2024042024-05-01. Service bulletin. ENGINE AND ENGINE COOLING. CBR: Turbo Compound 2nd Generation - EGR And / Or DPF Diagnostic Trouble Codes (DTC), Diagnostic And Repair Information.
CBR-2013 2024042024-05-01. Service bulletin. ENGINE AND ENGINE COOLING. CBR: Turbo Compound (TC) Hot Side Noise, Diagnostic Information.
S3904 2024032024-04-02. Service bulletin. ENGINE AND ENGINE COOLING. Service Campaign: Mack trucks has determined that certain AN, GR, PI, and TE model trucks built with a MP8 engine could experience a reduced clamping load on the turbocharger mounting hardware causing the hardware to become loose. On affected vehicles follow the instructions below to remove the turbocharger and replace the mounting hardware and mounting gasket with new parts.
CBR-2286 2024012024-02-02. Service bulletin. ENGINE AND ENGINE COOLING. CBR: Diagnostic Trouble Code (DTC) P113600 NOx Sensor 1/2 Correlation Calibration Error Bank 1 - Model Year 2024
CBR-2326 2023122024-01-03. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. CBR: The purpose of this solution is to give information on Engine Control Module (EMS) Software content. This document lists issues or problems (DTCs, Fault Codes) mitigated or resolved in specific EMS software.

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