# Service bulletin SB20\-58

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: 10197272
- Published by NHTSA: 2021\-06\-14
- Manufacturer's number: SB20\-58
- Manufacturer's date: 2016\-01\-01
- NHTSA component: POWER TRAIN

## NHTSA's summary

Early EPA07 QLD Radiator Replacement. As part of the changes made for early production EPA07 engines, the transmission oil cooler was moved into the radiator, and transmission oil cooler lines equipped with Gates Quick\-Detach \(QLD\) connectors were fitted.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2016/MC-10197272-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2016/MC-10197272-9999.pdf)

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

## Components

Transmission and driveline

## Vehicles listed

- FREIGHTLINER FREIGHTLINER

JSON: [/v1/bulletins/10197272](/v1/bulletins/10197272)

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