pretty bad
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
4,000 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2005 Toyota Sienna brakes problems

brakes problem

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2005 Toyota Sienna Owner Comments

problem #1

Dec 122004

Sienna 6-cyl

  • Automatic transmission
  • 4,000 miles


I have a 2005 Toyota Sienna van that has intermittent brake failure. It normally occurs when the car is cold. I have run several red lights with the brake pedal pressed completely to the floor and my wife has driven through two yards. The brakes function normally on the first several applications but on the third or fourth application they will occasionally fail. My dealership has replaced the master cylinder and done "diagnostics" at least 8 different times but consistently find nothing. They did tell me that other vehicles were experiencing the same sorts of problem and it had something to do with a new valve timing on the 2005 model and the vacuum was insufficient until the car was warm and that I should idle for 5 minutes before driving. This seems to work more consistently but I still have episodes of poor braking. We have been attempting to have this resolved for almost 18 months.

- Casper, WY, USA

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