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Transmission and drivetrainPart report

2004 Toyota Sienna Transmission and drivetrain Problems

Complaints
89about this part
Share
4%of 2,062 total for the year
Median mileage
62,125miles
Trend
RisingComplaints filed in the last 3 full calendar years are at least 25% higher than in the 3 years before.

NHTSA recorded 89 complaints about the transmission and drivetrain of the 2004 Toyota Sienna, 4% of the 2,062 complaints for this model year. Where a mileage was given, the median is 62,125 miles. 4 of these say a crash was involved and 1 a fire, according to the filers. 1 recall campaign on record is filed under a similar system.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“On april 18, 2018, I parked the car in garage, shifted to park, turned the key off, and removed key. While getting out I noticed that car began to roll. While in park, locked with key out, I noticed that the vehicle could be rolled forward or backwards. After inspection I found that the transmission shift cable had become detached from the shifter. (see first photos) apparently, Toyota secures it with some type of plastic grommet which deteriorates with age, disintegrates, and causes the detachment. …”

NHTSA complaint #11091692, filed 2018-05, 160,000 miles

“While making a sharp left turn, I can hear clunk, clunk from the steering column. Dealer says the steering column (rack-pinion) joint is bad, need replacement, not under warranty, will cost 500 to 600 $, not an immediate safety threat , can wait until the noise gets too bad. I am not happy that such things break down at 45,000 miles.”

NHTSA complaint #10246517, filed 2008-10, 45,000 miles

“I wrote to Toyota sept. 7, 2007, concerning an acceleration problem with my 2004 Sienna minivan, following many visits to the dealer to evaluate and fix it. The throttle response is delayed, in my case; it lags during initial acceleration from a stop, but more importantly, it lags when immediate acceleration is needed for passing, and accelerating after slowing for a turn. The factory rep who responded to my letter said the dealer would reevaluate the problem. …”

NHTSA complaint #10304818, filed 2010-02, 10,000 miles

“Radiator failure resulting in coolant leakage in the transmission fluid and transmission is failing. I noticed my 2004 Toyota Sienna had some belt noise that got worse. The van was due for a water pump/timing belt change. Later the engine temperature gauge read high and after checking the fluids noticed the antifreeze level to be low and topped it up. A week later while driving on the highway steam started coming out of the hood. I noticed the pink fluid had also leaked out of a tube (looked like a relief tube) on the driver side. Radiator level was low. …”

NHTSA complaint #10712847, filed 2015-04, 121,482 miles

“My husband noticed the 2004 Toyota Sienna moving in the driveway and found that the automatic transmission shifted out of park. He then played around with it and found that it can be shifted out of park without depressing the brake. I took it to the local Toyota dealership and was told that something broke off inside and would cost around $700 to fix it. They then said that my children must have broken it off swinging from the shifter. …”

NHTSA complaint #10192986, filed 2007-06, 42,000 miles

Related recalls

Related service bulletins

Transmission and drivetrain: other model years

YearComplaintsShare of year
202222%
202185%
2020821%
2019715%
20182028%
20173824%
201634%
2015125%
201474%
2013148%
2012177%
2011305%
20101710%
200963%
2008389%
2007319%
2006404%
2005484%
2004894%
20031010%
2002137%
200163%
20006718%
1999115%
1998238%

Other parts of the 2004 Toyota Sienna

Body and structure
962 complaints
Latches, locks and linkages
308 complaints
Steering
159 complaints
Electrical system
132 complaints
Tires
124 complaints
Vehicle speed control
111 complaints
Other or unknown
107 complaints
Seat belts
98 complaints
Brakes
88 complaints
Electronic stability control
71 complaints
Fuel system
49 complaints
Engine cooling
46 complaints

← All problems reported for the 2004 Toyota Sienna

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology