2004 GMC Sierra 2500 Service Brakes Problems
NHTSA component category: SERVICE BRAKES · data through 07/14/2026
Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.
How service brakes ranks on this vehicle
Share of the 143 complaints citing each category; one complaint can cite several. Full breakdown on the 2004 GMC Sierra 2500 overview page.
What owners report
“ALL THE FLUID LINES CORRODED TO THE POINT WHERE THE VEHICLE WAS DANGEROUS TO DRIVE WITH ONLY 35000 ORIGINAL MILES ON IT.”NHTSA complaint 10583638 — filed 04/19/2014
“THE CONTACT OWNS A 2004 GMC SIERRA 2500. THE CONTACT STATED THAT THE BRAKE FAILED TO ENGAGE WHILE ATTEMPTING TO APPLY THE BRAKE PEDAL WHILE…”NHTSA complaint 10562816 — filed 02/04/2014
“WHEN ATTEMPTING TO STOP, THE TRUCK BEGAN TO STOP AND THEN ALL OF A SUDDEN THE BRAKE PEDAL WENT TO THE FLOOR. AT THIS POINT…”NHTSA complaint 10543984 — filed 09/17/2013
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Service Brakes complaints by year filed
Frequently asked questions
Does the 2004 GMC Sierra 2500 have service brakes problems?
Service Brakes is the most-reported problem area on the 2004 GMC Sierra 2500: 33 of 143 complaints on file (23.1%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2004 GMC Sierra 2500 have in total?
143 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 4 involved a crash, 4 involved a fire, 5 reported injuries, and 1 reported deaths.
What does NHTSA's service brakes category include?
NHTSA assigns each complaint to standard component categories; this page reports the SERVICE BRAKES category exactly as NHTSA defines and records it.
