Belt Chirp Noise and-or Harmonic Balancer Rubbing on Timing Cover – 2019-2020 Chevrolet Silverado & GMC Sierra & Silverado 4500HD, 5500HD, 6500HD

NHTSA ID Number: 10193467

Manufacturer Communication Number: PIP5742A

 

Summary

This Preliminary information communicates to the dealer technicians that a belt chirp or rubbing noise may be caused by the harmonic balancer out ring moving backward on the pulley and contacting the front cover.

 

 


10 Affected Products

Vehicles

MAKE MODEL YEAR
CHEVROLET SILVERADO 1500 2019-2020
CHEVROLET SILVERADO 4500HD 2019-2020
CHEVROLET SILVERADO 5500HD 2019-2020
CHEVROLET SILVERADO 6500HD 2019-2020
GMC SIERRA 1500 2019-2020

 


Condition:

A customer concern may be of a belt chirp noise and/or metal to metal noise.

 

Cause:

The outer ring of the harmonic balancer may slide backward and cause a misalignment of the belt. The outer ring may slide back far enough to contact the timing cover and oil pan(s).

 

Correction:

Inspect the harmonic balancer, timing cover and oil pans. Replace as needed.

 


 

 


1 Associated Document

Manufacturer Communications

Bulletin No.: PIP5742A
Published date: 04/22/2021

https://www.nhtsa.gov/recalls?nhtsaId=10193467

MC-10193467-9999.pdf 1093.464KB

MC-10193467-9999

 


 

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  • Weight:378g
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Last update on 2023-01-18 / Affiliate links / Images from Amazon Product Advertising API

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