Problems · by component

2004 Ford F-150 service brakes, hydraulic problems

95 owner complaints to NHTSA about the 2004 Ford F-150 cite service brakes, hydraulic, 5% of all 2,036 complaints for this model year.

Complaints
95
5% of all complaints
Crashes
6
Reported by owners
Fires
2
Reported by owners
Injuries
5
Reported by owners
01 —Owner reports

What owners say about the service brakes, hydraulic

Verbatim from NHTSA complaints, newest first
“TL* THE CONTACT OWNS A 2004 FORD F-150. WHILE DRIVING APPROXIMATELY 55 MPH AND ATTEMPTING TO SLOW DOWN, THE BRAKES FAILED TO ENGAGE. THE CONTACT DISCOVERED THAT THE BRAKE VACUUM HOSE SEPARATED DUE TO A DEFECTIVE CLAMP. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER STATED THAT THE VIN WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER: 08V208000 (SERVICE BRAKES, HYDRAULIC). THE FAILURE MILEAGE WAS 226,000. ....UPDATED 07/05/16 *BF *CN”
Owner complaint to NHTSAFiled May 23, 2016Service brakes, hydraulicODI 10870281
“2004 FORD F-150. CONSUMER WRITES IN REGARDS TO VEHICLE FRAME RUST PROBLEMS. *SMD CONSUMER SENT ADDITIONAL CORRESPONDENCE. *SMD THE VEHICLE HAD TO BE TOWED TO THE REPAIR SHOP, BECAUSE THE BRAKES WENT OUT. THE REAR BRAKE LINES, HOSES, CALIPERS, MASTER CYLINDER AND PADS WERE REPLACED. UPDATED 03/09/15. *JB”
Owner complaint to NHTSAFiled Mar 6, 2015Service brakes, hydraulic, StructureODI 10671073
“TRUCK VIBRATING. SLOWED DOWN, APPLIED BRAKES SEVERAL TIMES, VIBRATING STOPPED. AFTER GETTING HOME, STATED CHECKING THINGS. FOUND EMERGENCY BRAKE CABLE OFF. THIS HAS HAPPENED SEVERAL TIMES. POOR DESIGN. I HAVEN'T FOUND OF ANY RECALL ON THIS. THIS IS UNSAFE AND SHOULD BE RECALLED BY FORD. IF SOMEONE WHO DOESN'T HAVE ANY MECHANICAL ABILITY COULD GET "BURNED" BY UNNECESSARY COST BY FORD OR REPAIR SHOPS. *TR”
Owner complaint to NHTSAFiled Feb 19, 2012Service brakes, hydraulicODI 10448474
“I'M DRIVING MY TRUCK WHEN ALL OF A SUDDEN IT WILL START VIBRATING HORRIBLY, LIKE DRIVING OVER A WASHBOARD TYPE OF ROAD. THE ONLY WAY TO GET IT TO STOP IS TO PULL OVER TO THE SIDE OF THE HIGHWAY, PUT IT IN PARK, WAIT, AND THEN TRY TO RESUME DRIVING. BUT THIS DOES NOT ALWAYS WORK. YOU SOMETIMES HAVE TO STOP AND CHANGE TO PARK, OR REVERSE, A COUPLE OF TIMES, BEFORE DRIVING AGAIN SO THAT THE VIBRATION GOES AWAY. I HAVE COMPLAINED ABOUT THIS BEFORE, AND I SEE HUNDREDS OF COMPLAINTS FOR THE SAME ISSUE ON "FORD OWNER WEBSITES", AND EVERYBODY IS PISSED. NOBODY CAN GET AN ANSWER FROM FORD SERVICE AS TO WHAT IS WRONG. MANY PEOPLE HAVE REPLACED MANY DIFFERENT THINGS (I.E. TRANSMISSION, CLUTCH PADS, BEARINGS, U-JOINTS, EMERGENCY BRAKE CABLE OR PADS), ALL TO NO AVAIL. THEY HAVE WASTED THEIR TIME AND MONEY, AND FORD REFUSES TO LIVE UP TO THIS AWFUL AND VERY DANGEROUS PROBLEM. APPARENTLY, FORD KNOWS THIS IS A BIG PROBLEM WITH 2004 F-150 TRUCKS, ESPECIALLY, BUT WILL NOT ACKNOWLEDGE IT. SOMEONE WROTE ON THE WEB THAT FORD KNOWS THEY HAD A RETOOLING PROBLEM WITH THESE TRUCKS, AND LET THE TRUCKS GO OUT FOR SALE ANYWAY. I AM NOW HAVING THIS PROBLEM MORE OFTEN, AND I AM AFRAID TO…”
Owner complaint to NHTSAFiled Jan 23, 2012Suspension, Service brakes, hydraulic, Power trainODI 10444836
“THE REAR BRAKE LINES FAILED. THE RUBBER LINE FROM THE CALIPER TO THE STEEL LINE ON THE REAR AXLE SEPARATED, FIRST ON THE DRIVERS SIDE AND ABOUT THREE WEEKS LATER ON THE PASSENGER SIDE. ON THE FIRST OCCASION I WAS JUST LEAVING MY GARAGE AND ON THE SECOND OCCASION I WAS PULLING INTO A PARKING SPOT. THE STEEL FITTING THAT HOLDS THE RUBBER LINE TO THE STEEL LINE WAS SO BADLY CORRODED THAT IT LITERALLY DISINTEGRATED, ALLOWING THE RUBBER LINE TO SEPARATE FROM THE STEEL LINE WHEN THE BRAKES WERE APPLIED. *TR”
Owner complaint to NHTSAFiled Nov 6, 2011Service brakes, hydraulicODI 10434374
“THE 2004 F150 AND I ASSUME EXPEDITIONS HAD UNDERSIZED FRONT BRAKE ROTORS AND CALIPERS AND WERE OUTLINED IN A SERVICE TECH BULLETIN FOR THE PURPOSE OF DIAGNOSING THE FRONT END SHAKING/SHIMMING DURING BRAKING. *TR THIS IS MY OPINION SHOULD HAVE FALLEN UNDER A MANDATORY RECALL DUE TO THE SERIOUS NATURE OF POOR ENGINEERING. NO RECALL AND OUT OF POCKET $$$. THE SAME HOLDS TRUE FOR THE REAR DIFFERENTIAL WHICH IN MY CASE HAS BEEN REPLACED (3) TIMES AND AGAIN FORD PUBLISHED A TECH BULLETIN OUTLINING THE FACT THAT THE '04 REAR DIFFERENTIAL HOUSING WAS SUBJECT TO FAULTY MACHINING CAUSING RAPID WEAR ON RING/PINION AND BEARINGS. I BELIEVE THESE TWO DEFECTS SHOULD HAVE BEEN ADDRESSED DUE TO THE FACT THAT FAILURE OF EITHER COMPONENT COULD RESULT IN A SERIOUS ACCIDENTS. I TRULY BELIEVE FORD TRIED TO COVER UP/WHITE WASH THESE DEFECTS. I STILL HAVE THIS '04 AND STILL HAVE ISSUES WITH THE BRAKES AND REAR DIFFERENTIAL NOT TO MENTION A HOST OF OTHER ISSUES THAT HAVE PLAGUED THIS PARTICULAR YEAR MODEL. I LOOK FORWARD TO HEARING FROM SOMEONE AND WOULD LIKE TO KNOW THE EXTENT OF FORDS INVOLVEMENT AND ANY ACCIDENTS INVOLVING '04F150'S. BEST REGADRS”
Owner complaint to NHTSAFiled Sep 13, 2011Service brakes, hydraulic, Power trainODI 10425233

Showing 6 of 95 reports. Read every report on NHTSA.gov.

Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 11, 2026NHTSA vehicle page

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.