# Service bulletin 931531

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: 39549
- Published by NHTSA: 1995\-11\-01
- Manufacturer's number: 931531
- Manufacturer's date: 1993\-06\-01
- NHTSA component: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

## NHTSA's summary

LITTLE TO NO AIR FLOW FROM SIDE WINDOW DEFROSTER DUCTS. \*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

- 1991 to 1993 BUICK LESABRE
- 1991 to 1993 BUICK PARK AVENUE

## Other bulletins for the same vehicles and component

- [731608](/bulletins/52564.md), 1997-08-14, Service bulletin: VISIBILITY:REARVIEW MIRRORS/DEVICES:INTERIOR. EXCESSIVE VIBRATION OF ELECTROCHROMIC INSIDE REARVIEW MIRROR. \*TW
- [431108](/bulletins/37847.md), 1995-01-11, Service bulletin: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. HVAC SYSTEM MAY INTERMITTENTLY TURN ON IN DEFOG OR DEFROST MODE BY DEFAULT. \*TW

JSON: [/v1/bulletins/39549](/v1/bulletins/39549)

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