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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 77 (Propeller Shaft) >> Diagnostic Information and Procedures >> Scraping Noise

Scraping Noise

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
Checks Action
DEFINITION: A scraping noise occurs when driving the vehicle at various speeds.
The pinion flange deflector or the center bearing is rubbing. Correct the interference as necessary.
Center bearing heat shield, if equipped. Correct the interference as necessary.
Exhaust pipe contact. Correct the interference as necessary.
Balance weight detached from the propeller shaft. A detached balance weight may create a sliding, scraping, or ticking type noise during acceleration or deceleration.
  1. Inspect the propeller shaft and tube for a detached balance weight.
  2. Replace components as required. Do not attempt to reattach the balance weight to the propeller shaft.
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