Avoiding Torque Converter Or Crankshaft Damage While Diagnosing Noise Concerns Do Not Separate The Torque Converter From the Flex Plate – 2000-2019 GM

NHTSA ID Number: 10160987

Manufacturer Communication Number: PIP5640

Summary

This Preliminary Information communication provides information to the technician to not remove the torque converter bolts and start the engine as this may cause damage to the torque converter of the crankshaft on vehicles equipped with an automatic transmission.

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Water/Ice In Door Sill Plate Area – 2018 Chevrolet Silverado & GMC Sierra 1500

NHTSA ID Number: 10160990

Manufacturer Communication Number: PIT5680

Summary

This Preliminary information communicates an issues with water/ice building up on the door sill plate and advising dealership to inspect and reseal the door water deflector.

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Squeak Chirp Noise from Front Axle in 2WD – 2019 Chevrolet Silverado & GMC Sierra 1500

NHTSA ID Number: 10161050

Manufacturer Communication Number: PIP5653

Summary

This Preliminary information communicates that engineering is developing a repair for a chirp noise associated with the front axle assembly.

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Gurgle Noise from Heater Core after Performing 19-NA-007 – 2015-2019 Chevrolet Colorado & GMC Canyon

NHTSA ID Number: 10161033

Manufacturer Communication Number: PIT5688

Summary

This preliminary information was released to advise of an alternate means of purging the air from the cooling system.

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Ticking or Popping Noise at Roof Rail Assist Handle(s) – 2018-2019 Chevrolet GMC Holden

NHTSA ID Number: 10163211

Manufacturer Communication Number: 19NA013

Summary

This technical bulletin provides repair information to correct a customer concern of hearing a ticking or popping noise at roof rail assist handle(s).

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