2003 Chevrolet Avalanche 1500 Service Brakes, Hydraulic Problems
NHTSA component category: SERVICE BRAKES, HYDRAULIC · 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, hydraulic ranks on this vehicle
Share of the 182 complaints citing each category; one complaint can cite several. Full breakdown on the 2003 Chevrolet Avalanche 1500 overview page.
What owners report
“THE VEHICLE WAS STOPPED AT A 2-WAY STOP. UPON TURNING RIGHT, MY FOOT WENT FROM THE BRAKE TO THE GAS PEDAL AND GOT HOOKED ON…”NHTSA complaint 10503759 — filed 03/20/2013
“MY 2003 AVALANCHE HAS THE SAME PROBLEM AS STATED IN THE RECALL FOR 2002 REGARDING THE ANTILOCK COMING ON AT LOW SPEEDS WHEN COMING TO…”NHTSA complaint 10457446 — filed 05/04/2012
“REAR PASSENGER-SIDE BRAKE LINE FAILED, ABOVE THE REAR AXLE ON EXIT RAMP OF MAJOR HIGHWAY. COMPLETELY CORRODED LINE REQUIRING REPLACEMENT. ELECTRONIC RUST PREVENTION SYSTEM (SACRIFICIAL…”NHTSA complaint 10441787 — filed 12/30/2011
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Service Brakes, Hydraulic complaints by year filed
Frequently asked questions
Does the 2003 Chevrolet Avalanche 1500 have service brakes, hydraulic problems?
Service Brakes, Hydraulic is the #4 most-reported problem area on the 2003 Chevrolet Avalanche 1500: 20 of 182 complaints on file (11%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2003 Chevrolet Avalanche 1500 have in total?
182 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 5 involved a crash, 3 involved a fire, 2 reported injuries, and none reported deaths.
What does NHTSA's service brakes, hydraulic category include?
NHTSA assigns each complaint to standard component categories; this page reports the SERVICE BRAKES, HYDRAULIC category exactly as NHTSA defines and records it.
