# Service bulletin 021001

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: 627868
- Published by NHTSA: 2002\-02\-25
- Manufacturer's number: 021001
- Manufacturer's date: 2001\-10\-02
- NHTSA component: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:HEATER CORE

## NHTSA's summary

INFORMATION REGARDING THE OO WING HEATER HOSE ADAPTOR TO ELIMINATE ALTERNATOR WHINE ON. \*YH

## 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

- 1999 to 2001 BUICK PARK AVENUE

## Recalls for the same vehicles and component

- [2000271](/recalls/tc/2000271.md), 2000-11-17: Visual System
- [00V346000](/recalls/nhtsa/00V346000.md), 2000-10-30: VISIBILITY:WINDSHIELD WIPER/WASHER

## Other bulletins for the same vehicles and component

- [PIT5099G](/bulletins/10247780.md), 2023-12-26, Service bulletin: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that the Heater\-Vent\-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
- [PIP5540J](/bulletins/10230697.md), 2023-01-30, Service bulletin: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:REAR WINDOW:ELECTRICAL HEATING ELEMENT. This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related components. That any of the listed DTC's may set with or without poor engine performance.
- [PIT5099F](/bulletins/10216361.md), 2022-07-25, Service bulletin: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that the Heater\-Vent\-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
- [PIT5099E](/bulletins/10178385.md), 2020-08-10, Service bulletin: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that the Heater\-Vent\-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
- [PIT5099D](/bulletins/10147367.md), 2018-11-13, Service bulletin: EQUIPMENT:APPLIANCE:AIR CONDITIONER. This Preliminary Information communication provides information to the technician about vehicles that the Heater\-Vent\-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
- [PIT5099C](/bulletins/10143449.md), 2018-08-06, Service bulletin: EQUIPMENT:APPLIANCE:AIR CONDITIONER. This Preliminary Information communication provides information to the technician about vehicles that the Heater\-Vent\-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
- [PIT5099A](/bulletins/10135356.md), 2018-05-07, Service bulletin: EQUIPMENT:APPLIANCE:AIR CONDITIONER. This Preliminary Information communication provides information to the technician about vehicles that the Heater\-Vent\-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
- [030848006J](/bulletins/10126237.md), 2017-12-22, Service bulletin: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This informational bulletin provide information for the technicians to repair the rear window defroster contact or tabs.
- [040139010](/bulletins/10011192.md), 2005-01-11, Service bulletin: EQUIPMENT:APPLIANCE:AIR CONDITIONER. HVAC CONTROL MODULE LENS SCRATCHED. \*TT
- [030867004](/bulletins/10002878.md), 2003-09-30, Service bulletin: VISIBILITY:SUN/MOON ROOF ASSEMBLY. PARTS AVAILABILITY FOR SUNROOF REPAIRS. \*TT

JSON: [/v1/bulletins/627868](/v1/bulletins/627868)

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