# Service bulletin SB60\-176

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: 10198594
- Published by NHTSA: 2021\-06\-29
- Manufacturer's number: SB60\-176
- Manufacturer's date: 2021\-06\-03
- NHTSA component: ENGINE AND ENGINE COOLING; POWER TRAIN

## NHTSA's summary

Freightliner Service Bulletin for Insulated Automatic Transmission Cover Plate. Some Business Class M2 and 108/114 Severe Duty vehicles equipped with a compressed natural gas \(CNG\) engine and automatic transmission may experience higher exhaust temperatures than vehicles equipped with a diesel engine.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10198594-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10198594-9999.pdf)

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

## Components

Engine, Transmission and driveline

## Vehicles listed

- 2019 to 2022 FREIGHTLINER 108SD
- 2019 to 2022 FREIGHTLINER 114SD
- 2019 to 2022 FREIGHTLINER BUSINESS CLASS M2

## Recalls for the same vehicles and component

- [2020488](/recalls/tc/2020488.md), 2020-10-16: Powertrain
- [20V642000](/recalls/nhtsa/20V642000.md), 2020-10-16: POWER TRAIN:CLUTCH ASSEMBLY
- [2020408](/recalls/tc/2020408.md), 2020-09-01: Engine
- [20V527000](/recalls/nhtsa/20V527000.md), 2020-09-01: ELECTRICAL SYSTEM:WIRING; ENGINE AND ENGINE COOLING
- [20V176000](/recalls/nhtsa/20V176000.md), 2020-03-23: POWER TRAIN:AXLE ASSEMBLY
- [19V443000](/recalls/nhtsa/19V443000.md), 2019-06-11: POWER TRAIN:AXLE ASSEMBLY
- [2018714](/recalls/tc/2018714.md), 2018-12-19: Powertrain
- [18V903000](/recalls/nhtsa/18V903000.md), 2018-12-19: POWER TRAIN:CLUTCH ASSEMBLY

## Other bulletins for the same vehicles and component

- [MAN 0000072868](/bulletins/11037996.md), 2026-10-05, Other: POWER TRAIN. Detroit Transmissions Manual Update for Symptom Diagnostics — DT12 C/D Box Range Shift to Neutral with Reversing Events \(Aborts\)
- [TSB\-26\-001\-DDC](/bulletins/11031992.md), 2026-05-02, Service bulletin: POWER TRAIN. Revised Technical Service Bulletin for DT12 Range Detent Diagnostic
- [TSB\-26\-001\-DDC](/bulletins/11030623.md), 2026-04-02, Other: POWER TRAIN. Technical Service Bulletin for DT12 Range Detent Diagnostic
- [CXA 03\_26\_Surge Tank](/bulletins/11030507.md), 2026-04-02, Other: ENGINE. CX Advocate for discolored coolant surge tanks \(24CSA\-20\)
- [CXA\_01\_26\_Trans Support](/bulletins/11028069.md), 2026-02-03, Other: POWER TRAIN. CX Advocate for Aftermarket Transmission Support
- [FleetCom\_Oil Plug Loc](/bulletins/11027500.md), 2026-01-08, Other: POWER TRAIN. Fleet Communications for NFD Lower Oil Plug Location \- SP Axles
- [FleetCom\_Heater Core](/bulletins/11027493.md), 2026-01-08, Other: ENGINE. Fleet Communications for Heater Core Plugging
- [TSB54\-377\-FTL](/bulletins/11027199.md), 2026-01-07, Service bulletin: ENGINE. Technical Service Bulletin Low Coolant Sensor
- [CXA\_10\_25\_Conmet Oil Pan](/bulletins/11024958.md), 2025-11-05, Other: ENGINE. CX Advocate for ConMet Oil Pan Insert Additional Issues
- [24CSA\-19Rev](/bulletins/11022317.md), 2025-09-02, Other: ENGINE. Revised Customer Service Annoucement for No Trouble Found Heavy Duty Engine Product \(HDEP\) Oil Separator Leaks

JSON: [/v1/bulletins/10198594](/v1/bulletins/10198594)

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