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Service bulletin 100523001C

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10085121
Published by NHTSA2016-11-29
Manufacturer's number100523001C
Manufacturer's date2012-10-29
NHTSA componentSERVICE BRAKES; STEERING

NHTSA's summary

THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO EITHER REFINISH OR REPLACE THE FRONT ROTORS FOR A CONDITION OF BRAKE INDUCED PULSATION, VIBRATION FELT IN STEERING WHEEL, RUMBLE NOISE FROM UNDERBODY DURING DOWNHILL DESCENTS.

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Brakes, Steering

Vehicles listed
CHEVROLET SILVERADO 15002008 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 15002008 (the catalog's model; the bulletin names a series or trim of it)

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
13-02-32-001H2025-05-06. Service bulletin. This service bulletin provides a procedure to flush and bleed power steering system to correct a power steering noise or fluid leak concern that is caused during extremely low temperatures.
PIT51842023-12-26. Service bulletin. Various Concerns Related To The IP Backlighting Cruise Control Steering Wheel Controls Horn.
PIT5120A2023-12-26. Service bulletin. Stabilitrak/Traction Control OFF With Red Brake Warning Lamp
PIT4729E2023-12-26. Service bulletin. Adding Integrated Trailer Brake Controller RPO JL1.
PIT51842023-12-11. Service bulletin. Various Concerns Related To The IP Backlighting Cruise Control Steering Wheel Controls Horn.
PIT5161B2023-12-11. Service bulletin. Bump Feel Or Clunk Noise After A Stop.
130232001D2023-12-11. Service bulletin. Power Steering Noise or Fluid Leak from Power Steering Pump, Gear or High Pressure Hose During Extreme Low Temperature Conditions
130232001B2023-12-11. Service bulletin. Power Steering Noise or Fluid Leak from Power Steering Pump, Gear or High Pressure Hose During Extreme Low Temperature Conditions
130232001A2023-12-11. Service bulletin. Power Steering Noise or Fluid Leak from Power Steering Pump, Gear or High Pressure Hose During Extreme Low Temperature Conditions
1302320012023-12-11. Service bulletin. Power Steering Noise or Fluid Leak from Power Steering Pump, Gear or High Pressure Hose During Extreme Low Temperature Conditions