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September 26, 2023 Service bulletin

Visibility: defroster/defogger/HVAC system

Chevrolet technical service bulletin PIT5099G for 2000-2022 Chevrolet Malibu, 2000-2022 Chevrolet Silverado 1500 and 2000-2020 Chevrolet Impala and others.

Bulletin number
PIT5099G
Component
Visibility: defroster/defogger/HVAC system
Summary
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.

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