# Service bulletin KC\-365

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: 10210050
- Published by NHTSA: 2022\-04\-06
- Manufacturer's number: KC\-365
- Manufacturer's date: 2022\-03\-16
- NHTSA component: EQUIPMENT; SUSPENSION; EQUIPMENT:MECHANICAL:INTEGRATED JACK/LEVELER/STABILIZER

## NHTSA's summary

Mack Chassis \- Technical Service Bulletin M\-728\-005, Leveling Valve, Leak Test, Air Leaks From The Leveling Valve After The Vehicle Is Parked \(Shut Off\)

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10210050-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10210050-9999.pdf)

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

## Components

Equipment and accessories, Suspension

## Vehicles listed

- 2016 to 2017 MACK ANTHEM \(AN\)
- 2018 to 2022 MACK ANTHEM \(AN\)
- 2015 to 2018 MACK CHU
- 2015 to 2018 MACK CXU
- 2016 MACK GRANITE \(GR\)
- 2017 to 2021 MACK GRANITE \(GR\)
- 2015 to 2016 MACK GRANITE \(GU\)
- 2017 to 2022 MACK GRANITE \(GU\)
- 2015 to 2018 MACK GU
- 2015 to 2016 MACK PINNACLE \(CHU\)
- 2017 to 2022 MACK PINNACLE \(CHU\)
- 2015 to 2016 MACK PINNACLE \(CXU\)
- 2017 to 2022 MACK PINNACLE \(CXU\)
- 2018 to 2022 MACK PINNACLE \(PI/PN\)
- 2016 to 2019 MACK TD

## Recalls for the same vehicles and component

- [21V476000](/recalls/nhtsa/21V476000.md), 2021-06-25: SUSPENSION:MULTIPLE AXLE
- [16V929000](/recalls/nhtsa/16V929000.md), 2016-12-23: SUSPENSION:FRONT:HUB

## 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.
- [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\-2094 Rev 3](/bulletins/10238834.md), 2023-07-06, Service bulletin: EQUIPMENT:ELECTRICAL:INFOTAINMENT; ELECTRICAL SYSTEM. Infotainment System \- Volume Drop During A Phone Call, Phone Connected Via Bluetooth
- [KC\-2292](/bulletins/10238830.md), 2023-07-06, Service bulletin: SUSPENSION. Vehicles Equipped With Chalmers Suspension \- Frame Bracket Hardware Loose or Interfering
- [SLM23\-005](/bulletins/10237374.md), 2023-06-06, Service bulletin: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Service Literature Published and Released in May, 2023
- [M\-170\-003](/bulletins/10235490.md), 2023-05-03, Service bulletin: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. TSB: Vibration Diagnostics

JSON: [/v1/bulletins/10210050](/v1/bulletins/10210050)

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