# Service bulletin FSB436\-001

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.

- Type: Service bulletin
- NHTSA id: 10083247
- Published by NHTSA: 2016\-10\-21
- Manufacturer's number: FSB436\-001
- Manufacturer's date: 2016\-07\-13
- NHTSA component: POWER TRAIN

## NHTSA's summary

BUGGY SPRING BRACKET, REPLACEMENT, REAR TRANSMISSION SUPPORT BRACKETS ARE BREAKING ON SOME MACK LEU AND LR VEHICLES WITH AN ALLISON HEAVY DUTY TRANSMISSION AND A RETARDER BUILT BETWEEN MAY, 2013 AND MAY, 2016.

## The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

## Components

Transmission and driveline

## Vehicles listed

- 2014 to 2016 MACK LEU
- 2016 to 2017 MACK LR

## Recalls for the same vehicles and component

- [2016495](/recalls/tc/2016495.md), 2016-10-11: Powertrain
- [16V099000](/recalls/nhtsa/16V099000.md), 2016-02-19: POWER TRAIN:DRIVELINE:DRIVESHAFT

## Other bulletins for the same vehicles and component

- [CBR 2573\-1 202604](/bulletins/11032092.md), 2026-05-05, Service bulletin: POWER TRAIN. CBR \- Mack Chassis \- Through Shaft Bearing Retainer Breakage On Mack Carriers.
- [CBR 2362\-3 202604](/bulletins/11032086.md), 2026-05-04, Service bulletin: POWER TRAIN. CBR \- Mack Carrier Nut Adhesive Change.
- [CBR\-731 202409](/bulletins/11008377.md), 2024-10-03, Service bulletin: POWER TRAIN. CBR: Automated Manual Transmission \(AMT\) Model D or F \(mDrive and I\-Shift, AMT\-D, AMT\-F\) \- Transmission Oil Leakage From Transmission Input Shaft Seal Or Output Shaft Seal \- US10 And Newer Emissions, Common Model Years 2010 And Newer
- [CBR\-2391 202408](/bulletins/11006927.md), 2024-09-04, Service bulletin: ELECTRICAL SYSTEM; POWER TRAIN. CBR: Diagnostic Trouble Code \(DTC\) U010187\- Lost Communication With TECU
- [CBR\-1008 202404](/bulletins/10253804.md), 2024-05-01, Service bulletin: POWER TRAIN. CBR: Equipped With An Automated Manual Transmission Model D or F \( AMT\-D, AMT\-F, mDrive\) Missing X1 Value In VDA And Default Settings Guidelines, ParameterP1AOB; Fault Code P1052\-54, Error 40,Or Error 18 Encountered During Clutch Or Tran.
- [CBR\-202 202402](/bulletins/10251329.md), 2024-03-05, Service bulletin: POWER TRAIN. CBR \- Automated Manual Transmission \( AMT \) Flywheel Pilot Bearing Wear On Input Shaft.
- [M\-465\-001 202311](/bulletins/10246086.md), 2023-12-05, Service bulletin: POWER TRAIN. TSB: Mack Trucks now offer an improved HD Inter\-Axle Through Shaft for the CRD 125, 150, 180, and 200 family carriers. The new HD shaft went into production on January 23rd, 2023 for 2.54 \- 3.50 axle ratios and April 1st, 2023 for 3.56 \- 3.98 ratios. The new HD through shaft is an upgrade over the current standard shaft and can now be used as a replacement part instead of the standard shaft. The new HD shaft has a new design to increase strength, longevity and life over the standard shaft.
- [CBR\-2112 202307](/bulletins/10240231.md), 2023-08-02, Service bulletin: ELECTRICAL SYSTEM; POWER TRAIN; ENGINE AND ENGINE COOLING. CBR: Programming Failure \- Chassis With Cummins Engine And An Allison Transmission
- [KC\-503\-Ver3](/bulletins/10237351.md), 2023-06-05, Service bulletin: POWER TRAIN. CBR: Automated Manual Transmission \( AMT \) \-Transmission Electronic Control Unit \( TECU \) MID130 PSID 29 FMI 7 /P10AE81 Fault Codes Being Generated
- [KC\-2229\-Ver2](/bulletins/10237348.md), 2023-06-05, Service bulletin: POWER TRAIN. CBR: Automated Manual Transmission \(AMT\) Transmission Kickdown Mode

JSON: [/v1/bulletins/10083247](/v1/bulletins/10083247)

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