Component
SERVICE BRAKES, HYDRAULIC:POWER ASSIST:HYDRAULIC
195 NHTSA complaints about service brakes, hydraulic:power assist:hydraulic issues across 31 makes and 113 models.
Data updated August 2026. Counts render from the NHTSA Office of Defects Investigation standardized component field; severity flags cross-reference NHTSA ODI complaint flags for owner-reported crash, fire, and injury markers. This page is for informational purposes and does not replace NHTSA recall notices or a vehicle-specific inspection. Methodology · Corrections.
NHTSA ODI component intake brief
ODI category SERVICE BRAKES, HYDRAULIC:POWER ASSIST:HYDRAULIC
195 filings · 113 models · 31 makes · vintage August 2026
- FILINGS SPARSE 195 ODI rows
- MODELS 113 nameplates citing this part
- MAKES 31 manufacturers in corpus
- CRASH 7.2% 14 crash-flagged
- RANK #261 of 696 categories
- SEV QUIET 0 deaths · 6 injuries
Filing-volume peers
SERVICE BRAKES, HYDRAULIC:POWER ASSIST:HYDRAULIC sits SPARSE on ODI intake volume (#261 of 696 standardized categories) with a QUIET severity stamp (0 reported fatalities across 113 models). Open Dodge Caravan (category leader) →
SERVICE BRAKES, HYDRAULIC:POWER ASSIST:HYDRAULIC severity reading
The standout signal for service brakes, hydraulic:power assist:hydraulic is severity: 0 reported fatalities and 6 injuries (QUIET stamp) on 195 filings (SPARSE volume).
Sparse categories can swing on a single high-volume nameplate; treat the leader row as the actionable signal, not the category headline alone.
Next step: compare Dodge Caravan against STRUCTURE:INTERIOR PANELS:DASHBOARD on filing totals before treating service brakes, hydraulic:power assist:hydraulic volume as a purchase signal.
Most Affected Vehicles
| # | Vehicle | Complaints |
|---|---|---|
| 1 | Dodge Caravan | |
| 2 | Ford Explorer | |
| 3 | Ford Ranger | |
| 4 | Chevrolet Silverado 2500 | |
| 5 | Plymouth Voyager | |
| 6 | Lexus Rx330 | |
| 7 | Jeep Cherokee | |
| 8 | Ford Taurus | |
| 9 | Chevrolet Suburban | |
| 10 | Chevrolet Astro | |
| 11 | Volkswagen Passat | |
| 12 | Mazda B-Series Truck | |
| 13 | Lincoln Continental | |
| 14 | Honda Civic | |
| 15 | Honda Accord | |
| 16 | Dodge RAM 2500 | |
| 17 | Dodge Intrepid | |
| 18 | Chevrolet Silverado 1500 | |
| 19 | Chevrolet Silverado | |
| 20 | Chevrolet S10 | |
| 21 | Toyota Camry | |
| 22 | Saturn SKY | |
| 23 | SAAB 9-3 | |
| 24 | Pontiac Grand Prix | |
| 25 | Oldsmobile 88 | |
| 26 | Nissan Armada | |
| 27 | Mitsubishi Montero | |
| 28 | Jeep Grand Cherokee | |
| 29 | GMC Sierra 2500 | |
| 30 | GMC Sierra |
Recent Complaints
The contact owns a 2012 Kia Sorento. The contact stated when he entered the vehicle, the check engine warning light illuminated. In addition the contact stated that the vehicle battery would drain qu
The contact owns a 2013 Ford Edge. The contact stated while driving at 5 MPH, the brake pedal was depressed and made an abnormal hissing sound, and felt soft. The contact also stated the brake pedal h
My brakes suddenly became hard to press, and my car became almost impossible to stop on the freeway, and there is a hissing noise coming from under the brake pedal. My car has less than 90,000 miles,
TL* THE CONTACT OWNS A 2015 CHEVROLET SILVERADO 1500. WHEN THE CONTACT ATTEMPTED TO CHANGE THE TIRES, THE PARK ASSIST BRAKES DID NOT WORK TO KEEP THE VEHICLE IN PLACE. THERE WAS NO WARNING INDICATOR I
2007 TOYOTA CAMRY. CONSUMER STATES THE POWER BRAKE BOOSTER ASSEMBLY FAILED *TGW UPDATED 6/13/13 *CN UPDATED 06/17/2013 *JS UPDATED 7/1/13 UPDATED 7/1/2013*JS
2001 DODGE RAM 3500 DIESEL. CONSUMER STATES PROBLEMS WITH BRAKES *TGW THE CONSUMER NOTICED THAT EACH TIME HE TRIED TO MOVE THE STEERING WHEEL, THE BRAKE PEDAL WOULD FLUCTUATE AND THEN LOCK UP. AFTER
TL* THE CONTACT OWN A 2007 SAAB 9-3. HE HAS TO REPEATEDLY APPLY PRESSURE TO THE BRAKE PEDAL TO STOP. THE POWER ASSIST UNIT WAS REPLACED UNDER THE WARRANTY. HE WAS IN THE PROCESS OF HAVING THE POWER
HHR SS HAS A HARD PEDAL AND DOES NOT STOP EASILY ON IN A NORMAL DISTANCE. THIS HAS OCCURRED 4 TIMES AFTER SITTING IN COLD WEATHER FOR AN EXTENDED PERIOD. IT TAKES ABOUT A MINUTE OF WARM-UP TO HAVE THE
TL*THE CONTACT OWNS A 2004 GMC YUKON. THE CONTACT NOTICED A LEAK UNDER THE HOOD OF HIS VEHICLE. THE MANUFACTURER ADVISED HIM TO TAKE THE VEHICLE TO A DEALER AND THEY STATED THAT THE HYDRO BOOST FAIL
AFTER READING A NEWS ARTICLE ABOUT UNINTENDED ACCELERATION IN 2005 -07 TACOMA PICKUPS, I WAS REMINDED OF AN INCIDENT I HAD A FEW MONTHS BACK. INDEED MY TACOMA SURGED WHEN I HIT THE BRAKE. WHEN THIS
TL*THE CONTACT OWNS A 2008 SATURN SKY. THE CONTACT STATED THAT THE VEHICLE REQUIRES EXCESSIVE BRAKE PEDAL EFFORT IN ORDER TO STOP. THE FAILURE OCCURS AFTER A COLD START AND TYPICALLY AT RELATIVELY L
TRUCK BRAKE PEDAL WOULD NOT PRESS AND THE TRUCK HAD VERY LITTLE BRAKES, THIS OCCURRED DRIVING DOWN THE HIGHWAY WITH NO WARNING, TAKEN TO THE FORD DEALER AND WAS TOLD A VACUUM HOSE WAS FAULTY SUPPOSED
ABS ANTI-LOCK SYSTEM WARNING LIGHT GOES ON AT TIMES, THEN OFF OTHER TIMES. FOLLOWED BY ABS ANTI-LOCK SYSTEM FUNCTIONS TO FAIL TOTALLY REDUCED BRAKES TO STOP VEHICLE BY 95% USED PARKING BRAKE TO ACHI
BRAKE FAILURE 2004 SILVERADO 2500HD DURAMAX. HYDRO BOOST EXPLODED WHICH RENDERS LIMITED STEERING AND BRAKES. THIS KNOWN PROBLEM 05V043000, 04V045000, FOR THESE TRUCKS NOT ONLY IS A BAD DESIGN BUT IT I
INTERMITTENT LOSS OF BRAKE POWER ASSIST ON COLD START, GIVING VERY HARD PEDAL. RECOVERS WITH SEVERAL PUMPS OF BRAKE PEDAL, OR SEVERAL SECONDS OF IDLE TIME. BEGAN ABOUT MID-JUNE, 2007, AND WAS REPORTE
SUDDEN AND COMPLETE FAILURE OF BRAKES AND STEERING. STARTED VEHICLE, PLACED IN REVERSE, UNABLE TO STOP OR STEER. NO EMERGENCY ASSIST FROM ACCUMULATOR, MANUAL BRAKES ONLY. VEHICLE WAS PLACED IN NEUTRAL
VEHICLE SAT AT THE AIRPORT FOR 72HRS. WHEN I LEFT THE AIRPORT, THE BRAKES FELT SPONGY, BUT WERE ABLE TO STOP THE VEHICLE. ON THE FREEWAY AS I WAS BRAKING, THE BRAKES BEGAN TO FEEL MORE SPONGY, REQUIRI
UPON STARTING THE VEHICLE FROM A DOWN PERIOD AS SHORT AS 6 HOURS, THE BRAKES ARE EXTREMELY INEFFECTIVE AND BARELY ABLE TO STOP MY VEHICLE WHEN BACKING FROM A PARKING SPACE. AFTER THE VEHICLE HAS RUN
AT 60000 MILES HAVE HAD TO HAVE TOTAL BRAKE SYSTEM REPLACED ABS COMPUTER , BRAKE POWER BOOSTER , MASTER CYLINDER,A BRAKE LINE . ALSO MY 4 WHEEL DRIVE TRANSFER CASE HAS BEEN BOUND-UP FOR 9 MONTHS MY VE
TL*THE CONTACT OWNS A 2001 MERCURY GRAND MARQUIS. THE CONTACT STATED THAT THE ABS LIGHT ILLUMINATED WHILE DRIVING. THE VEHICLE WAS TAKEN TO THE DEALER AND THEY STATED THAT THE LOWER HYDRAULIC UNIT F
Related Vehicle Components
Verify with NHTSA · consumer-reported counts are not verified defect findings.