# Service bulletin 438135

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: 37840
- Published by NHTSA: 1995\-01\-11
- Manufacturer's number: 438135
- Manufacturer's date: 1994\-11\-01
- NHTSA component: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:REAR WINDOW

## NHTSA's summary

BUZZING SOUND WHEN REAR DEFOGGER IS ON. \*TW

## 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

Glass, wipers and mirrors, Heating and air conditioning

## Vehicles listed

- 1989 to 1994 PONTIAC SUNBIRD

JSON: [/v1/bulletins/37840](/v1/bulletins/37840)

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