Toyota Sienna owners have reported 1 problem related to power assist brake hoses, lines/piping, and fittings (under the service brakes category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Toyota Sienna based on all problems reported for the Sienna.
Car had been driven for 15 minutes, brakes worked, was parked for 30 minutes and upon pulling out of driveway realized brakes did not function. Was able to brake the car with parking brake. No accident ensued, called tow truck and brought it to service center. Was told that vacuum hose came unattached, so power assisted brakes were not working.
See
all problems of the 2001 Toyota Sienna
🔎.