Poor Performance

AC Blows Warm or Poor Performance – 2020-2021 GM

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General Motors

NHTSA ID Number: 10216361 Manufacturer Communication Number: PIT5099F 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.   Condition / Concern Customer may comment that … Read more

Lack of Power or Poor Performance During High Ambient Temperatures with RPO (C7N) 12,300 LB GVWR or (C4M) 9,900 LB GVWR – 2016-2020 Chevrolet Express & GMC Savana

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2020 Chevrolet Express

NHTSA ID Number: 10193437 Manufacturer Communication Number: PIP5800   Summary This Preliminary information communicates some customers may comment that the vehicle exhibits a lack of power when driving up grades or after the vehicle has been idling for long periods of time in high ambient temperatures (90 degrees or above). This condition is more noticeable when the … Read more

Lack of Power or Poor Performance During High Ambient Temperatures with RPO (C7N) 12,300 LB GVWR or (C4M) 9,900 LB GVWR – 2016-2020 Chevrolet Express & GMC Savana

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2020 Chevrolet Express

NHTSA ID Number: 10205580 Manufacturer Communication Number: 21NA260   Summary This technical bulletin provides repair information to correct a customer concern of Lack of Power or Poor Performance During High Ambient Temperatures with RPO (C7N) 12,300 LB GVWR or (C4M) 9,900 LB GVWR.     10 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET EXPRESS 2016-2020 GMC SAVANA … Read more

A/C Inoperative, Blows Warm or Poor Performance Due to Low Refrigerant Charge, Freon Leak – 2016 Chevrolet Buick GMC

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2016 Buick Enclave

NHTSA ID Number: 10126071 Manufacturer Communication Number: 16-NA-046 Summary This Technical bulletin provides a procedure to replace the auxiliary evaporator blower motor to correct an A/C Inop, Blows Warm Air or Poor Performance Due to Low Refrigerant Charge conditions.   12 Affected Products Vehicles MAKE MODEL YEAR BUICK ENCLAVE 2013-2016 CHEVROLET TRAVERSE 2013-2016 GMC ACADIA 2013-2016   … Read more