Toyota Sienna service brakes, hydraulic problems by year
261 NHTSA owner complaints name the service brakes, hydraulic across 14 Sienna model years. The most reported year is 2004 with 39 reports.
| Year | Service Brakes, Hydraulic reports | Share | Median mileage | |
|---|---|---|---|---|
| 2015 Sienna | 2 | 1% | — | |
| 2011 Sienna | 12 | 2% | 10,000 mi | |
| 2010 Sienna | 4 | 2% | — | |
| 2008 Sienna | 13 | 3% | — | |
| 2007 Sienna | 13 | 4% | 37,000 mi | |
| 2006 Sienna | 19 | 2% | 23,600 mi | |
| 2005 Sienna | 28 | 2% | 35,000 mi | |
| 2004 Sienna | 39 | 2% | 34,000 mi | |
| 2003 Sienna | 12 | 11% | — | |
| 2002 Sienna | 19 | 10% | 34,006 mi | |
| 2001 Sienna | 15 | 8% | 22,420 mi | |
| 2000 Sienna | 32 | 9% | 72,547 mi | |
| 1999 Sienna | 14 | 7% | — | |
| 1998 Sienna | 39 | 13% | — |
Share is the fraction of that year’s complaints naming the service brakes, hydraulic. Raw counts are not adjusted for sales volume — years that sold more units naturally accumulate more reports.