IllustrationBRAKE LINE FAILURE DUE TO CORROSION. *TR
2004 GMC Yukon Denali Xl
Owner reports · Recalls · Investigations
Similar to other model years
Owner complaints for the 2004 GMC Yukon Denali Xl do not stand out strongly from the model-year median of 29.
About this comparison →How this year compares
Owner complaints by model year
Compare all Yukon Denali Xl years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
10–25K
225–50K
650–75K
1275–100K
13100–150K
13150K+
47 reports with mileage · 2 unknown
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Electrical System. Review the 19 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Service Brakes. Review the 15 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Electronic Stability Control (esc). Review the 9 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
3 crash reports0 fire reports0 injury reports
Service Brakes complaints
15 reportsI HAD BEEN DRIVING ON THE EXPRESSWAY, I EXITED AND STOPED AT A DRIVE UP WINDOW. AS I PULLED UP TO THE WINDOW MY BRAKE PEDDLE WENT TO THE FLOOR, I HAD TO PUT IT IN NEUTRAL AND USE THE EMERGENCY BRAKE TO GET THE CAR TO STOP. AFTER INSPECTION I FOUND THAT A LINE WITHIN THE CLUSTER OF FOUR HAD FAILED UNDER THE DRIVERS SIDE FRONT D…
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I HAD BEEN DRIVING ON THE EXPRESSWAY, I EXITED AND STOPED AT A DRIVE UP WINDOW. AS I PULLED UP TO THE WINDOW MY BRAKE PEDDLE WENT TO THE FLOOR, I HAD TO PUT IT IN NEUTRAL AND USE THE EMERGENCY BRAKE TO GET THE CAR TO STOP. AFTER INSPECTION I FOUND THAT A LINE WITHIN THE CLUSTER OF FOUR HAD FAILED UNDER THE DRIVERS SIDE FRONT DOOR. ALL THE LINES NEEDED TO BE REPLACED DUE TO SEVERE RUST. *TR
THE BRAKE LIGHT CAME ON IN MY CAR AND WHEN I TOOK IT IN TO THE MECHANIC, I WAS TOLD THE BRAKE LINES WERE CORRODED. BRAKE FLUID WAS LEAKING THROUGH THE LINES AND IF I HAD DRIVEN FOR EVEN ANOTHER HOUR, I WOULD HAVE HAD NO BRAKES. I HAD THE LINES REPLACED, WHICH HAD TO BE CUSTOM BUILT. THE REPAIR COST ME $1188. *TR
HARD BRAKE LINES ON FRAME UNDER DRIVERS DOOR RUSTED THROUGH CAUSING BRAKE FAILURE. WHILE DRIVING STEPPED ON BRAKES AND BRAKE PEDAL WENT ALL THE WAY DOWN TO THE FLOOR AND VEHICLE WOULD NOT STOP. NOTICED BRAKE FLUID LEAKING FROM UNDER DRIVERS DOOR AND SAW THAT THE HARD BRAKE LINES ON THE FRAME WERE RUSTED THREW. I HAD LOTS OF …
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HARD BRAKE LINES ON FRAME UNDER DRIVERS DOOR RUSTED THROUGH CAUSING BRAKE FAILURE. WHILE DRIVING STEPPED ON BRAKES AND BRAKE PEDAL WENT ALL THE WAY DOWN TO THE FLOOR AND VEHICLE WOULD NOT STOP. NOTICED BRAKE FLUID LEAKING FROM UNDER DRIVERS DOOR AND SAW THAT THE HARD BRAKE LINES ON THE FRAME WERE RUSTED THREW. I HAD LOTS OF OLDER VEHICLES AND NEVER HAD THE HARD BRAKE LINES RUSTED THREW ESPECIALLY IN A 9 YEAR OLD VEHICLE. COULD HAVE BEEN VERY SERIOUS ACCIDENT IF IT HAD HAPPENED ON A HIGHWAY. *TR
EXCESSIVE RUST BUILD UP ON BRAKE LINES, ROTORS AND CALIPERS. ROTORS & PADS PREVIOUSLY REPLACED IN SEPT., 2008. NEEDED REPLACEMENT AGAIN IN OCT., 2012 AFTER ONLY DRIVING 16,000 MILES. BRAKE LINES ARE SEVERELY CORRODED AND ARE IN NEED OF REPLACEMENT. CONTROL ARM LINKAGE ATTACHED TO HEIGHT SENSOR ACTUATOR ALSO BROKE AT ABOUT TH…
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EXCESSIVE RUST BUILD UP ON BRAKE LINES, ROTORS AND CALIPERS. ROTORS & PADS PREVIOUSLY REPLACED IN SEPT., 2008. NEEDED REPLACEMENT AGAIN IN OCT., 2012 AFTER ONLY DRIVING 16,000 MILES. BRAKE LINES ARE SEVERELY CORRODED AND ARE IN NEED OF REPLACEMENT. CONTROL ARM LINKAGE ATTACHED TO HEIGHT SENSOR ACTUATOR ALSO BROKE AT ABOUT THE SAME TIME. *TR
Official recalls
0No recalls in this snapshot.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
0No exact-year investigations in this snapshot.