2004 GMC Sierra Service Brakes Problems

NHTSA component category: SERVICE BRAKES · data through 07/12/2026

44Service Brakes complaints

23.4%Of all 188 complaints

#1Most-reported category

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

SERVICE BRAKES44 · 23.4%

ELECTRICAL SYSTEM18 · 9.6%

ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL18 · 9.6%

SERVICE BRAKES, HYDRAULIC17 · 9%

POWER TRAIN:AUTOMATIC TRANSMISSION12 · 6.4%

Share of the 188 complaints citing each category; one complaint can cite several. Full breakdown on the 2004 GMC Sierra overview page.

What owners report

“ALL BRAKE LINES ARE RUSTED ABOUT INTO... ONE BUSTED, I HAD BEEN ON INTERSTATE FOR TWO HOURS AND LUCKILY I PULLED INTO MY DRIVEWAY AND…”NHTSA complaint 10469129 — filed 08/03/2012

“I WAS COMING DOWN A HILL NEAR MY HOME & TAPPED ON THE BRAKES TO SLOW DOWN. SUDDENLY ALARM BELLS STARTED DINGING, THE ENGINE WARNING…”NHTSA complaint 10465705 — filed 07/15/2012

“BRAKE FLUID ALL LEAKED AND I BARELY STOPPED THE TRUCK ON MY HOME DRIVEWAY. DEALER SAYS I NEED TO REPLACE ALL FOUR METAL BRAKE LINES.”NHTSA complaint 10465372 — filed 07/12/2012

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 have service brakes problems?

Service Brakes is the most-reported problem area on the 2004 GMC Sierra: 44 of 188 complaints on file (23.4%). Complaints are unverified owner reports, not confirmed defects.

How many complaints does the 2004 GMC Sierra have in total?

188 complaints were on file with NHTSA as of 07/12/2026. Across all categories, 11 involved a crash, 5 involved a fire, 14 reported injuries, and none 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.

About this data — Complaint figures on this page are consumer reports submitted to the National Highway Traffic Safety Administration (NHTSA), a U.S. government agency. NHTSA does not verify individual complaints; a complaint is not proof that a defect exists, and counts reflect what owners chose to report, not confirmed failure rates. Recall information comes from official NHTSA safety recall campaigns; recall repairs are free at authorized dealers. Always check your specific vehicle by VIN at nhtsa.gov/recalls. CarModelProblems.com is an independent site and is not affiliated with NHTSA or any vehicle manufacturer. Data through 07/12/2026.