Component

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER

2,517 NHTSA complaints about service brakes, hydraulic:foundation components:master cylinder issues across 40 makes and 402 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:FOUNDATION COMPONENTS:MASTER CYLINDER

2,517 filings · 402 models · 40 makes · vintage August 2026

  • FILINGS HEAVY 2,517 ODI rows
  • MODELS 402 nameplates citing this part
  • MAKES 40 manufacturers in corpus
  • CRASH 8.8% 222 crash-flagged
  • RANK #87 of 696 categories
  • SEV INJURY 3 deaths · 118 injuries
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER (this)SERVICE BRAKES, HYDRAULIC:FO…2,517POWER TRAIN:CLUTCH ASSEMBLY2,492TIRES:SIDEWALL2,489AIR BAGS:SIDE/WINDOW2,548
ODI filing volume neighbourhood: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER vs nearest complaint-total peers

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER sits HEAVY on ODI intake volume (#87 of 696 standardized categories) with a INJURY severity stamp (3 reported fatalities across 402 models). Open Ford F-150 (category leader) →

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER filing-volume reading

The standout signal for service brakes, hydraulic:foundation components:master cylinder is ODI intake volume: 2,517 filings (HEAVY band · #87 of 696 standardized categories) across 402 nameplates. Crash-flag share is 8.8%.

Heavy intake categories like this one often reflect a shared supplier or a stressed FMVSS test, open the affected-vehicles table to see whether filings cluster on a few platforms or spread evenly.

Next step: compare Ford F-150 against POWER TRAIN:CLUTCH ASSEMBLY on filing totals before treating service brakes, hydraulic:foundation components:master cylinder volume as a purchase signal.

2,517
Complaints
402
Models Affected
222
Crashes
82
Fires
3
Deaths

Most Affected Vehicles

# Vehicle Complaints
1 Ford F-150
98
2 Ford Explorer
85
3 Ford Windstar
63
4 Chevrolet Suburban
58
5 Honda Accord
50
6 Dodge Caravan
46
7 Dodge Grand Caravan
45
8 Chevrolet S10
41
9 Ford Taurus
39
10 Chevrolet Blazer
38
11 Jeep Cherokee
34
12 Plymouth Voyager
32
13 Ford Aerostar
32
14 Chevrolet Tahoe
32
15 Buick Lesabre
31
16 GMC Suburban
28
17 GMC Jimmy
28
18 Ford Ranger
28
19 Dodge Neon
28
20 Chevrolet Silverado
28
21 Toyota Camry
27
22 Ford Escape
27
23 Chrysler Cirrus
27
24 Dodge Stratus
26
25 Dodge RAM
26
26 Chevrolet Silverado 1500
23
27 Jeep Grand Cherokee
22
28 Honda Civic
21
29 Ford Expedition
21
30 Ford Escort
21

Recent Complaints

2020 Chevrolet Silverado 1500

The contact owns a 2020 Chevrolet Silverado 1500. While driving at an undisclosed speed, the brakes failed to engage while the brake pedal was depressed. The message "Service Brake Assist" was display

2021 Honda Civic

The contact owns a 2021 Honda Civic. The contact stated that while driving approximately 37 MPH, the vehicle stalled. The check engine, master cylinder, and adaptive cruise control warning lights were

2013 Toyota Prius

The contact owns a 2013 Toyota Prius. The contact stated there was a constant beeping sound while attempting to depress the brake pedal while slowing down. Additionally, the brake pedal was very firm,

2023 Chevrolet Trailblazer

The contact owns a 2023 Chevrolet Trailblazer. The contact stated that while driving at undisclosed speeds, the vehicle independently activated the brakes while the accelerator pedal was depressed. In

2012 Cadillac SRX

The contact owns a 2012 Cadillac SRX. The contact stated while driving at an undisclosed speed, the brake pedal was depressed; however, the vehicle failed to stop as intended. No warning light was il

2017 Ford Expedition

The contact owns a 2017 Ford Expedition. The contact stated that while driving at various speeds, while depressing the brake pedal, there was no resistance, requiring the contact to depress the pedal

2020 Cadillac XT4

The contact owns a 2020 Cadillac XT4. The contact stated while driving 30 MPH and depressing the brake pedal, the vehicle failed to respond as needed. Several unknown warning lights were illuminated o

2021 Chevrolet Tahoe

The contact owns a 2021 Chevrolet Tahoe. The contact stated while driving at an undisclosed speed, the brake pedal was depressed; however, the brakes failed to function as intended. In addition, the c

2012 Ford Fusion

The contact owns a 2012 Ford Fusion. The contact stated while driving at approximately 40 MPH, the brake pedal was depressed; however, the brakes failed to engage. The contact stated that the parking

2013 Ford F-150

The contact owns a 2013 Ford F-150. The contact stated that while coming to a stop, the brake pedal was depressed but failed to respond as intended. The brake pedal traveled to the floorboard and seve

2019 Volvo Xc90

The contact owns a 2019 Volvo XC90. The contact stated while reversing out of a parking space, the contact depressed the brake pedal; however, the vehicle failed to stop. The contact pumped the brake

2014 Toyota Prius

The contact owns a 2014 Toyota Prius. The contact stated while driving at an undisclosed speed, the brake pedal was depressed with several unknown warning lights illuminated. The vehicle was towed to

2018 Ford F-150

The contact owns a 2018 Ford F-150. The contact stated while driving 40 MPH and depressing the brake pedal, the brake pedal collapsed, and the message "Brake Fluid Low Fault" was displayed. The contac

2010 Ford Edge

The contact owns a 2010 Ford Edge. The contact stated that while driving on multiple occasions at various speeds, she observed a hissing noise emanating near the brake pedal. Additionally, when the br

2010 Ford Edge

The contact owns a 2010 Ford Edge. The contact stated that while driving at approximately 35 MPH, the brake pedal became stiff. The brake pedal was depressed to the floorboard. The brake pedal was dep

2013 Ford F-150

The contact owns a 2013 Ford F-150. The contact stated while in reverse, the brakes failed to operate as designed. The parking brakes functioned as designed but there was no pressure on the brake peda

2018 Ford F-150

The contact called on behalf of her father who owns a 2018 Ford F-150. The contact stated that while her father was driving at an undisclosed speed, the brake pedal was depressed; however, the vehicle

2012 Ford Edge

The contact owns a 2012 Ford Edge. The contact stated while attempting to stop the vehicle, the brake pedal was extremely firm while depressed, and the vehicle failed to stop immediately, causing the

2010 Ford Edge

The contact owns a 2010 Ford Edge. The contact stated that while depressing the brake pedal, the vehicle failed to immediately stop. Additionally, the brake pedal felt spongy, with a hissing sound whi

2013 Ford F-150

The contact owns a 2013 Ford F-150. The contact stated that while driving at an undisclosed speed, the brake pedal was depressed; however, the vehicle failed to stop as intended. The contact stated th

Verify with NHTSA · consumer-reported counts are not verified defect findings.