There are 3 owner-reported brakes complaints for the 2004 Toyota Avalonin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
I WAS DRIVING IN MY LANE AT 40 MPH UNTIL AN AUSTEX TOWING TRUCK WENT INTO MY LANE WITHOUT A SIGNAL AND I WAS RIGHT BESIDE HIM. I HONKED TO NO AVAIL AND HE WAS STILL PROCEEDING INTO MY LANE. I HIT THE BRAKES AS HARD AS I COULD TO AVOID HIM HITTING ME AND I HAD TO SWERVE A LITTLE TO MY LEFT (TO MY LEFT WAS THE CURB AS IT WAS A 2 LANE ROAD) TO AVOID HIM HITTING MY RIGHT SIDE OF THE CAR. AFTER I AVOIDED HIM, HE WAS DRIVING HALF INTO BOTH LANES FOR ABOUT 5 SECONDS THEN HE RETURNED TO HIS LANE. *TR
SLOW LOSS OF BRAKE FLUID ON 2004 TOYOTA AVALON XLS. DEALER HAD TO REPLACE BRAKE MASTER CYLINDER AND BRAKE BOOSTER. REPAIRS WERE COVERED UNDER WARRANTY, HOWEVER I FEEL THAT THIS WAS A SERIOUS PROBLEM AND ONE THAT SHOULD BE REPORTED AS THERE MAY BE OTHER VEHICLES WITH SIMILAR PROBLEM. *JB
2004 AVALON XLS - ABS DASH LIGHT HAS BEEN STAYING ON CONTINUOUSLY FOR OVER TWO YEARS ONCE ENGINE IS STARTED. I TOOK IT TO DEALER ONCE ABOUT THREE YEARS AGO AND DEALER SAID IT WAS BECAUSE A BOOK WAS UNDER THE BACK OF THE DRIVER'S SEAT. THE LIGHT WAS NOT CONTINUOUSLY STAYING ON WHEN THE DEALER TOLD ME THIS. THE PROBLEM CONTINUES. *TR
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026