# Service bulletin KC\-2273

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: 10235366
- Published by NHTSA: 2023\-05\-03
- Manufacturer's number: KC\-2273
- Manufacturer's date: 2023\-04\-27
- NHTSA component: SUSPENSION

## NHTSA's summary

CBR: Mack \- Pre\-Delivery Inspection \(PDI\) Torque Values

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10235366-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10235366-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Suspension

## Vehicles listed

- 2023 to 2024 MACK ANTHEM \(AN\)
- 2023 to 2024 MACK GRANITE \(GR\)
- 2023 to 2024 MACK PINNACLE \(PI/PN\)

## Other bulletins for the same vehicles and component

- [CBR 2246\-5 032026](/bulletins/11030583.md), 2026-04-02, Service bulletin: SUSPENSION. CBR \- Z Spring Bracket Wear.
- [CBR\-2016 202412](/bulletins/11012156.md), 2025-01-02, Service bulletin: SUSPENSION. Frame lean can be caused by several seemingly isolated possibilities. The two most common are suspension and frame assembly issues.
- [S3938 202404](/bulletins/10253780.md), 2024-05-01, Service bulletin: SUSPENSION. Service Campaign: Primax Bracket Clocking
- [S3857 202402](/bulletins/10251335.md), 2024-03-06, Service bulletin: STEERING; SUSPENSION. Service Campaign \- MMD Suspension Bracket Torque.
- [CBR\-2014 202402](/bulletins/10251328.md), 2024-03-05, Service bulletin: SUSPENSION. CBR \- Driveline Noise, Suspension Ride Height Too High, Suspension Will Not Exhaust \- Chassis Built 2016w01 And Newer.
- [CBR\-2016 202401](/bulletins/10249551.md), 2024-02-02, Service bulletin: STRUCTURE; SUSPENSION. CBR: Frame Or Cab Lean
- [M728\-005A 202308](/bulletins/10241946.md), 2023-09-06, Service bulletin: SUSPENSION. TSB: Barksdale Leveling Valve, Leak Test
- [CBR\-2306 202308](/bulletins/10241916.md), 2023-09-06, Service bulletin: SUSPENSION; SERVICE BRAKES, AIR; ELECTRICAL SYSTEM. CBR: Lift Axle Lowers During An Anti\-lock Braking System \(ABS\)Breaking Event Or When Weight Is Added To The 5th Wheel/Rear Suspension\- AN Model
- [KC\-2292](/bulletins/10238830.md), 2023-07-06, Service bulletin: SUSPENSION. Vehicles Equipped With Chalmers Suspension \- Frame Bracket Hardware Loose or Interfering
- [KC\-2273\-Rev6](/bulletins/10237336.md), 2023-06-05, Service bulletin: WHEELS; SUSPENSION; POWER TRAIN. CBR: Pre\-Delivery Inspection \(PDI\) Torque Values. This is to help with the torque specs needed to complete a Pre\- Delivery Inspection \(PDI\).

JSON: [/v1/bulletins/10235366](/v1/bulletins/10235366)

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