# Service bulletin 8372

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: 606077
- Published by NHTSA: 1999\-08\-06
- Manufacturer's number: 8372
- Manufacturer's date: 1999\-06\-01
- NHTSA component: EQUIPMENT:APPLIANCE:AIR CONDITIONER

## NHTSA's summary

ON SOME VEHICLES WHEN THE AIR CONDITIONER IS OPERATING, THE EXPANSION VALVE MAY EXHIBIT A HUMMING OR BUZZING SOUND. \*TT

## 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

Equipment and accessories, Heating and air conditioning

## Vehicles listed

- FREIGHTLINER BUSINESS CLASS

JSON: [/v1/bulletins/606077](/v1/bulletins/606077)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%208372&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F606077&vehicle=Service%20bulletin%208372)