2003 Toyota 4RUNNER service brakes, hydraulic problems
20 owner complaints filed with NHTSA name the service brakes, hydraulic on the 2003 Toyota 4RUNNER — 4% of all complaints for this model year.
What owners report
“Tl* the contact owns a 2003 toyota 4runner. The contact stated that the vehicle stability control system and the traction control system were not functioning. The vehicle was taken to an independent repair shop and the yaw sensor was re-calibrated. The contact was also informed that the failure…”
filed Mar 28, 2012
“2003 toyota 4runner has 3 faulty calipers 2 on front and one on the rear. The caliper uses a dual piston and the interior lower piston is the one that failed on both front calipers. This issue is know to thousands of toyota owners who inquire (its common knowledge among those who own them.) the…”
filed Mar 15, 2012
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Service Brakes, Hydraulic problems in other 4RUNNER years
| Year | Reports | Share |
|---|---|---|
| 2025 4RUNNER | 2 | 4% |
| 2012 4RUNNER | 1 | 1% |
| 2011 4RUNNER | 2 | 1% |
| 2010 4RUNNER | 5 | 3% |
| 2008 4RUNNER | 5 | 5% |
| 2007 4RUNNER | 9 | 6% |
| 2006 4RUNNER | 14 | 4% |
| 2005 4RUNNER | 14 | 3% |
| 2004 4RUNNER | 18 | 3% |
| 2002 4RUNNER | 7 | 4% |
| 2001 4RUNNER | 4 | 3% |
| 2000 4RUNNER | 4 | 1% |
Other reported problem areas on the 2003 Toyota 4RUNNER
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.