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Transmission and drivetrainPart report

2007 Toyota Sienna Transmission and drivetrain Problems

Complaints
31about this part
Share
9%of 364 total for the year
Median mileage
68,000miles
Trend
FallingComplaints filed in the last 3 full calendar years are at least 25% lower than in the 3 years before.

NHTSA recorded 31 complaints about the transmission and drivetrain of the 2007 Toyota Sienna, 9% of the 364 complaints for this model year. Where a mileage was given, the median is 68,000 miles. 3 of these say a crash was involved, according to the filers. 2 recall campaigns on record are filed under a similar system.

Example complaints

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

“Driving 55mph on frwy, van started smoking in the rear and oil on back of van. Slowly drove short distance home and lights on dash came on upon arriving home. Oil leaked on street where we parked. Had mobile mechanic look at it. Oil cooler hose had burst. He replaced it, we drove the van 50 miles on short trips.when on frwy, it happened again about 3 wks later. Had towed home. Same hose busted again. Looked on internet sites & found same problem has occurred to many people with same van year. Longterm ongoing problem. …”

NHTSA complaint #11342965, filed 2020-08, 120,850 miles

“Our Sienna is a well maintained, low mileage (just over 66,000 miles) vehicle. As of august 30 of this year, the transmission planetary gears have totally failed, leaving the vehicle and us stranded over 100 miles from home. The estimate for a complete transmission rebuild from a reputable transmission specialty shop is $4500, which is much lower than the estimate of $6500 that our Toyota dealer gave us to install a remanufactured transmission. …”

NHTSA complaint #10762425, filed 2015-09, 66,000 miles

“I have had this van since new. Air conditioning stopped working after 4 years with less than 60000 miles. First transmission problem started at 68000 miles. The transmission problem first reared its ugly head when I was backing out of a parking spot one early morning in november 2011. It sounded as though I had run over something. After getting out of the van and looking around it appeared as though everything looked good. …”

NHTSA complaint #10498073, filed 2013-02, 68,000 miles

“I was northbound on interstate 15 in utah and noticed smoke coming out from underneath my car. I pulled into a firestone service center where they diagnosed the issue to be a faulty oil cooler hose assembly on my 2007 Toyota Sienna mini-van. I contacted Toyota dealer who said that the part had been upgraded from a rubber hose to a metal hose that would not burst like mine had. I was not informed of the option to upgrade prior to this incident and in fact had had my car into the dealer for an oil change the week before this incident. …”

NHTSA complaint #10722775, filed 2015-06, 108,210 miles

“Car started having problems approx 55,000 miles, left me stranded on the side of the road twice. First time check engine light came on and started to stall. Pulled off freeway, checked manual and it referenced electronic throttle control, shut off the car and restarted and was able to get on the road. Check engine light came on again, checked code ignition coils, had to replace #6. Another instance, car started to stall, check engine light flashed at me, pulled off the road. Was able to take it to dealer in which they stated they couldn't find a problem. …”

NHTSA complaint #10822903, filed 2016-01, 65,987 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 2007 Toyota Sienna

Body and structure
102 complaints
Engine
42 complaints
Air bags
37 complaints
Other or unknown
34 complaints
Vehicle speed control
28 complaints
Brakes
27 complaints
Tires
25 complaints
Latches, locks and linkages
19 complaints
Electrical system
18 complaints
Engine cooling
14 complaints
Steering
12 complaints
Suspension
12 complaints

← All problems reported for the 2007 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