HVAC Blower Motor Is Noisy Or Vibrates – 2014-2018 Chevrolet & GMC

NHTSA ID Number: 10201329

Manufacturer Communication Number: PIT5245D

 

Summary

This Preliminary Information communication provides information to the technician about vehicles that the blower motor may be noisy or vibrate when running. This concern will only occur when the temperatures is below 32 degrees Fahrenheit and if the blower motor is removed while still cold, ice may be found on the blower motor cage. This concern could be caused by water leaking or snow ingestion into the Heater-Vent-Air Conditioning case. Technician is to perform normal water testing diagnostics while the Heater-Vent-Air Conditioning is running, looking for water leaking past the plenum cover. If water is leaking past the cover remove the cover and install a 12×12 snow resistant screen to the fresh air intake. Reseal and install the plenum cover cap using Kent air dry sealer or equivalent.

 

 

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53 Affected Products

Vehicles

MAKE	MODEL	YEAR
CHEVROLET	SILVERADO 1500	2014-2019
CHEVROLET	SILVERADO 2500	2015-2019
CHEVROLET	SILVERADO 3500	2015-2019
CHEVROLET	SUBURBAN	2015-2020
CHEVROLET	TAHOE	2015-2020
GMC	SIERRA 1500	2014-2019
GMC	SIERRA 2500	2014-2019
GMC	SIERRA 3500	2014-2019
GMC	SIERRA DENALI	2019
GMC	YUKON	2015-2020

 

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Condition / Concern

When the HVAC blower motor is running, it is noisy or may vibrate.

This concern will only occur when temperatures are below 32 deg F (0 deg C). If the blower motor is removed while it is still cold, ice may be found on the blower motor cage.

If the cabin air filter is removed while still cold, snow and/or ice may be found on the filter. This concern could be caused by either a water leak into the HVAC case or snow ingestion into the HVAC case.

Note: Some snow on the cabin filter is normal.

 

Parts

Description	Qty	Part Number
CLIP,L/GATE TR FIN PNL	7	11588650
WATER RESISTANT SCREEN	1	WR12 (Color Black – WR12BK)

 

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1 Associated Document

Manufacturer Communications

Bulletin No.: PIT5245D
Published date: 08/26/2021

https://www.nhtsa.gov/recalls?nhtsaId=10201329

MC-10201329-9999.pdf 891.864KB

 

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NHTSA ID Number: 10129064

Manufacturer Communication Number: PIT5245C

 

Summary

This Preliminary Information communication provides information to the technician about vehicles that the blower motor may be noisy or vibrate when running. This concern will only occur when the temperatures is below 32 degrees Fahrenheit and if the blower motor is removed while still cold, ice may be found on the blower motor cage. This concern could be caused by water leaking or snow ingestion into the Heater-Vent-Air Conditioning case. Technician is to perform normal water testing diagnostics while the Heater-Vent-Air Conditioning is running, looking for water leaking past the plenum cover. If water is leaking past the cover remove the cover and install a 12×12 snow resistant screen to the fresh air intake. Reseal and install the plenum cover cap using Kent air dry sealer or equivalent.

 

1 Associated Document

Manufacturer Communications

Bulletin No.: PIT5245C
Published date: 01/12/2018

https://www.nhtsa.gov/recalls?nhtsaId=10129064

MC-10129064-9999.pdf 76.083KB

 

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NHTSA ID Number: 10114576

Manufacturer Communication Number: PIT5245B

 

Summary

This Preliminary Information communication provides information to the technician about vehicles that the blower motor may be noisy or vibrate when running. This concern will only occur when the temperatures is below 32 degrees Fahrenheit and if the blower motor is removed while still cold, ice may be found on the blower motor cage. This concern could be caused by water leaking or snow ingestion into the Heater-Vent-Air Conditioning case. Technician is to perform normal water testing diagnostics while the Heater-Vent-Air Conditioning is running, looking for water leaking past the plenum cover. If water is leaking past the cover remove the cover and install a 12×12 snow resistant screen to the fresh air intake. Reseal and install the plenum cover cap using Kent air dry sealer or equivalent.

 

1 Associated Document

Manufacturer Communications

Bulletin No.: PIT5245B
Date: May-2015

https://www.nhtsa.gov/recalls?nhtsaId=10114576

MC-10114576-9999.pdf 485.735KB

 

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NHTSA ID Number: 10111933

Manufacturer Communication Number: PIT5245A

 

Summary

This Preliminary Information communication provides information to the technician about vehicles that the blower motor may be noisy or vibrate when running. This concern will only occur when the temperatures is below 32 degrees Fahrenheit and if the blower motor is removed while still cold, ice may be found on the blower motor cage. This concern could be caused by water leaking or snow ingestion into the Heater-Vent-Air Conditioning case. Technician is to perform normal water testing diagnostics while the Heater-Vent-Air Conditioning is running, looking for water leaking past the plenum cover. If water is leaking past the cover remove the cover and install a 12×12 snow resistant screen to the fresh air intake. Reseal and install the plenum cover cap using Kent air dry sealer or equivalent.

 

1 Associated Document

Manufacturer Communications

Bulletin No.: PIT5245A
Date: Feb-2014

https://www.nhtsa.gov/recalls?nhtsaId=10111933

MC-10111933-9999.pdf 482.635KB

 

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Last update on 2025-04-15 / Affiliate links / Images from Amazon Product Advertising API

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