Toyota Sienna in Massachusetts, United States Jul 2010 - Jun 2011
Sep 2010 19000 mi	The engine accelerated by itself. Brake applied and didn't stop the car on time. The car crashed into a building. EDR data proved the engine problem. Big noises at low speed. The dealer couldn't figure out why.

Toyota Sienna in Ohio, United States Jun 2013 - Jul 2018
Jul 2015 69200 mi US $120	Serpentine belt replaced.
Jul 2018 85000 mi US $600	Steering sensor

Toyota Sienna in Wisconsin, United States Oct 2011 - Oct 2017
Jan 2013 84800 mi US $60	factory battery died
Nov 2015 138600 mi US $280	Normal wear, rear bearings were noisy and had to be replaced.

Toyota Sienna in Virginia, United States Sep 2012 - Jul 2014
May 2014 62000 mi US $48	Radiator hose failed. Replacement part not available, temporary fix with flexible radiator hose to get home. Ordered part for permanent fix.

Toyota Sienna in New Jersey, United States Nov 2013 - Jun 2014
Apr 2014 81000 mi US $887	Wheel bearing and regular maintenance.

Toyota Sienna in Florida, United States Apr 2014 - Aug 2023
Apr 2015 104500 mi US $100	Noticed rear of the van drooping, suspected worn rear shocks. Replaced original factory shocks with aftermarket units for the AWD model, since they are marginally stiffer. Van sits higher at the rear, and ride quality restored.
May 2015 105000 mi	drivers side blend door continuously cycling- removed motor/actuator housing, opened it and lubed gears.
Mar 2016 117000 mi	Sway bar bushings badly worn, making noise over speed bumps. Replaced with Polyurethane bushings. Distinct improvement in cornering feel (for a van). Remember that recall for the VVT-i oil lines? While replacing my sway bar end links I noted some oil seepage from an area behind the power steering pump. I haven't attempted the fix yet, but the lower banjo bolt for that line is leaking.
Apr 2016 117500 mi US $100	Replaced torn power steering boot. Just. One Side. Then I had to get an alignment done, since I screwed up counting the turns it took to take the outer tie rod off.
Oct 2016 125000 mi	power steering pump leaking slightly, also the other power steering rack boot is torn now.
Sep 2017 138000 mi US $860	Squealing sound, not unlike a slipping belt. Took to local independent shop. One idler pulley and alternator pulley found bad. The alternator is difficult to get to and a replacement wasn't available in the area, so the van remained in the shop over a weekend.
Dec 2017 139000 mi US $500	Noted increased road noise from front end. Both front wheel bearings needed replacement.

Toyota Sienna in Georgia, United States Mar 2012 - Feb 2018
May 2012 59000 mi US $2700	replaced transmission under warranty
Mar 2015 126000 mi US $5	rear wiper arm stripped thread
Sep 2015 134000 mi US $630	replaced alternator, bad bearing, loud squeek horn did not work
Jun 2017 172000 mi US $139	alignment
Sep 2017 172000 mi US $150	replaced ignition coil

Toyota Sienna in Illinois, United States Dec 2013 - Mar 2018
Jan 2014 56000 mi	Tire pressure warning light would flash for a minute or so then stay on continuously

Toyota Sienna in Minnesota, United States Jun 2011 - May 2018
Jun 2012 84000 mi	No AC on drivers side.

Toyota Sienna in Kansas, United States Oct 2011 - Sep 2016
Mar 2012 49000 mi	Replaced rear low pressure AC lines and o-rings.

Toyota Sienna in Pennsylvania, United States Jul 2011 - Jun 2018
Dec 2014 67000 mi US $350	Hose that runs from engine to oil cooler developed a pin hole leak and had to be replaced. Oil was rapidly dripping from front of engine and was spraying on exhaust and was smelly.
Aug 2016 84000 mi US $50	Exhaust shields around exhaust pipe -- the clamps were rusting and rattling. The shop removed them.
Apr 2017 93000 mi US $60	More exhaust shields were removed -- fasteners corroded

Toyota Sienna in California, United States Jun 2010 - Mar 2016
Jul 2011 42000 mi	Rack and pinon assembly. Dealer noticed leak. Climate control circuit board. System wasn't automatically switching from recirc to outside air as the interior cooled down. Earlier attempted reprogramming. This time found bad circuit board.
Sep 2011 43000 mi	Rattling in dash since the car was new. dealer finally fixed the problem at Toyota's expense
Mar 2015 80000 mi US $330	rack and pinion is failing. 2nd time. spoke with toyota and they are offering $500.00 towards the repair when i get it done.

Toyota Sienna in Washington, United States Nov 2011 - Dec 2012
Dec 2011 50000 mi US $50	Power folding seat button broken and rear liftgate struts repaired, under CPO warranty, $50 deductable
Apr 2012 52000 mi	passenger side mirror glass is loose and often shakes while driving. Although under CPO warranty, Toyota is refusing to stand behind this despite the fact it has been like that since purchase and impedes safety.

Toyota Sienna in Quebec, Canada Dec 2011 - Jun 2022
Oct 2014 76360 mi C $300	replace oxygen sensor after error code showed up. bank 1 sensor 1.
Apr 2017 86800 mi C $1000	Replaced brakes and pads etc. New battery Electrical sliding door cable snapped and no longer works. We decided not to repair it because it would be too costly. We now have manual door only.
Jun 2018 92380 mi	Refill freon in AC after it wasn’t working well.
Jun 2022 113460 mi C $200	replaced spark plug and ignition coil

Toyota Sienna in British Columbia, Canada Jan 2012 - Jun 2022
Nov 2014 34100 mi	Stumble at start. Ran a bit rough for first 10 seconds and engine light came on followed shortly by abs and vsc lights. Restarting few times seemed to run fine. Drove around all seemed good. Cancelled lights 9 days ago, all good still.
Nov 2021 79980 mi C $800	Steering rack boot torn

Toyota Sienna in Alberta, Canada Dec 2011 - Jul 2022
Mar 2014 53940 mi C $700	water pump leaking
May 2016 71300 mi C $2200	Steering rack and front struts, common problems for Sienna of 2004-2010 even dealer confirmed. But no recall for it, too bad. August update: still shopping around.
Nov 2017 79980 mi C $500	Rear wheels springs broken (attached hitch and bicycles rack in the summer, caring 4 bycicles probably did a damage to springs )

Toyota Sienna in Newfoundland / Lab., Canada May 2012 - Jun 2014
Apr 2012 43400 mi C $7000	Transmission began shifting erratically in lower gears. Van was taken to dealer, transmission pan removed, full of metal filings. Transmission replaced under warranty.
Sep 2012 49600 mi C $1000	Loud clicking from behind left front wheel when going from reverse to drive or vice versa. Left CV shaft replaced to to excess play on outer end. The symptoms have returned as of 110000 km indicating the CV shaft is not source of problem.
Jun 2013 63860 mi C $600	Engine oil leak from cooler line. Engine ran dry, not covered by powertrain warranty. TSB issued/part redesigned years earlier to eliminate rubber portions. Common problem with 3.5 v6. Mfg/dealer covered 2/3 after I filed a BBB complaint.
Jun 2014 70680 mi C $500	Broken front coil spring. Swaybar Links worn. Front left control arm bushings worn. Rear AC lines rusted through. Rear unit disconnected from system, lines capped off and system recharged. Van now only had AC in the dash vents, no longer in the rear.

Toyota Sienna in Ohio, United States Apr 2015 - May 2015
May 2015 103000 mi US $250	Shims and bolt kits required because alignments could not be made to bring vehicle into spec after net tires installed.

Toyota Sienna in Kansas, United States Aug 2017 - Jan 2022
Sep 2021 117000 mi US $100	Engine was randomly misfiring on longer trips. Would usually go away after turning the car off and back on. Spark plugs and coils were replaced, but problem kept happening. No final solution was reached. Car hasn't misfired in a few months, but nothing was done to fix it.

Toyota Sienna in Ohio, United States May 2016 - Jun 2022
Sep 2021 155000 mi US $1900	Steering rack replacement
Mar 2022 161000 mi US $1200	Water pump

Toyota Sienna in Ontario, Canada Apr 2020 - May 2022
May 2020 141360 mi C $12	replaced both front sway bar end links
Sep 2020 144460 mi C $12	front driver bottom slider was seized, replaced slider pin
Dec 2021 151900 mi C $60	brake line rusted through
May 2022 152520 mi C $300	replace front control arms both sides. drive side was bad, passenger side was going bad. These were replaced 4 years ago by the previous owner with junk no name parts.

Toyota Sienna in British Columbia, Canada Feb 2017 - Jan 2022
Nov 2021 187860 mi C $1000	Diode was preventing card to start. It was hard to diagnose the problem, but the parts were cheap.

Toyota Sienna in Indiana, United States Feb 2021 - Jun 2022
Jun 2022 218000 mi US $175	Struts, broken coil spring

Toyota Sienna in Alabama, United States Jul 2015 - Jul 2022
May 2022 177000 mi US $633	water pump

Toyota Sienna in District of Columbia, United States Aug 2014 - Jul 2022
Jun 2021 95000 mi US $700	replace leaking power steering pump
Jul 2022 111547 mi	replaced idler pulley, tensioner and tensioner pulley, alternator pulley. Access required removal, reinstall, and recharge of AC. replace sqeaking fan belt pulleys and tensioner.

Toyota Sienna in Ohio, United States Jun 2017 - Jan 2022
May 2018 107000 mi US $250	Failure of rubber hoses of oil line between oil filter and oil cooler. Known problem with this model - TSB out. Metal part to replace rubber hoses
Jul 2021 143000 mi US $1000	Replace front shocks and struts

Toyota Sienna in California, United States Nov 2010 - Mar 2018
May 2017 82000 mi	Melting Dashboard, was covered by Toyota Warranty Action/Recall.

Toyota Sienna in Iowa, United States Aug 2015 - Sep 2016
Aug 2015 96000 mi US $400	Replaced steering rack that was leaking. Got alignment. Did maintenance at same time.

Toyota Sienna in California, United States Aug 2015 - Aug 2015
Aug 2015 72000 mi US $800	Power steering fluid leakage.

Toyota Sienna in Missouri, United States Jul 2015 - Aug 2018
Jul 2016 120000 mi	leaking steering rack quoted $900-$1500 to replace. Cost too prohibitive so I decided to not replace it and use stop leak fluid and keep an eye on it. lost all oil at highway speeds. towed to dealer and found the rubber line to the oil cooler blew out. fixed under factory recall on known oil line issue. dealer paid for tow also. excellent customer service.

Toyota Sienna in Pennsylvania, United States Aug 2016 - Jun 2022
Oct 2016 102800 mi US $125	Wheel bearing was worn, making noise and producing a slight wobble.
Sep 2021 155000 mi US $100	Brake cable siezed

Toyota Sienna in Ontario, Canada Jun 2016 - Jun 2017
Mar 2017 91760 mi C $460	Chnange water pump. Original was leaking.

Toyota Sienna in Arizona, United States Jun 2015 - Sep 2017
Jun 2017 133000 mi US $90	Cooling was poor

Toyota Sienna in New Jersey, United States Jul 2010 - Jun 2022
Apr 2013 68000 mi	Oil return line burst. Dealer replaced oil line, no charge
Mar 2016 100000 mi US $100	Rear hatch latch
Jan 2018 118000 mi US $2000	spring on passenger side front strut broken, both front strut assemblies replaced

Toyota Sienna in Minnesota, United States Jul 2011 - Dec 2016
Aug 2013 39000 mi US $400	Oxygen sensor went bad. Sensor 1 bank 1 right against the firewall.

Toyota Sienna in North Carolina, United States Feb 2009 - Jun 2022
Mar 2009 22000 mi US $650	We smelt a strong smell of gasoline. After two visits the charcoal filter and associated pipework were replaced. Smell has now gone. Third row seat did not lock into position correctly and could not be folded back into the floor. Now repaired.
Jun 2011 70000 mi	Plastic back of second row seat fell off. Was reattached with the two screws that had come out.
Aug 2011 72000 mi US $18	Rear plastic back of second row seat fell off. I re screwed it into place but it came off again. Dealer fixed.
Mar 2012 83000 mi US $1500	Power steering fluid leak, found to be steering rack leaking. Steering rack replaced. Oil leak from oil pan gasket.
Sep 2013 106000 mi US $230	The rear trunk handle (with the sensor covered in black rubber) had melted in the sun over the past few years. Colleagues with similar aged Sienna's also have this issue. The whole unit needed removal to replace.
Dec 2013 112000 mi	Car would not start. AAA called and mechanic got it started and recommended taking the minivan immediately to the dealer - suspected fuel filter or fuel pump issue. Dealer could not replicate the problem.
Apr 2018 158000 mi US $1500	Engine began to overheat. Replaced coolant and leaks detected. Water pump diagnosed at the dealer and replaced.  Upon inspection severe rust on the radiator and that was replaced as well.

Toyota Sienna in Minnesota, United States Jan 2009 - Jun 2022
Jun 2016 111000 mi US $669	broken left front coil spring. Dealership replaced both front coil springs. Had to return second time to tighten up tie rod nuts. No charge for second trip back. Suspension is now quite and works properly.

Toyota Sienna in Ohio, United States Nov 2008 - Jan 2022
Jul 2010 86000 mi	added refrigerant and oil ( with seal conditioner) to fix no a/c compressor problem low tire air pressure light on, air pressure checks good with gauge
Sep 2010 91000 mi US $50	added more refrigerant and oil to a/c
Apr 2013 176500 mi US $9	added one can of refrigerant. Van has a small leak at rear fender well. I clean road grime from connection every tire rotation.
Sep 2013 191000 mi US $5	added one more can of refridgerant
Mar 2014 206000 mi US $110	Replaced water pump. Found worn bearings/small squeak when changing serpentine belt. Haynes manual indicated need for engine to be removed, not true. Toyota quoted 6 hrs labor. Have read a good tech can do in less than 3 hrs. took me 6 hrs.
Feb 2015 237000 mi	Get a P0456 check engine code every 3rd day or so. this code is a small evap leak, checks after 4-6 hours being off. Waiting for warmer weather to troubleshoot.
Jun 2015 252000 mi	manual sliding door passenger side would not latch shut, lubed cables with silicon. drivers side got hard to open, lubed latching mechanism at rear with lithium spray grease.
Sep 2015 262000 mi US $30	Replaced serpentine belt tensioner assy and the other two idlers. There was a small amount of slop in idler bearings. The tensioner made noise as it pivoted. replace alternator for slop in bearing. Rebuilt Toyota alt was $350. Replaced front heater blower motor. Intermittently would stop working on all fan speeds
Feb 2016 277000 mi US $340	Part of front coil broke off, rattled, bounced down the road. Still ran ok. Replaced both front strut assemblies, still had originals at 276,000 mi. The other strut had a partial broken coil that stayed in place.
Apr 2016 282300 mi US $41	Had a low pitch rattle in exhaust at low rpm. Replaced Gasket at forward side of resonator. Tech said this junction acts like a flex pipe.
Aug 2016 294100 mi	"fuel door open" light always on. not very bright. Just going to live with it.
Jun 2017 319000 mi	Disassemble and clean aux in Jack for not selecting aux when my mp3 was plugged in. Thus is a common Toyota issue.
Sep 2017 328000 mi US $6	Aux Jack cleaning only fixed the problem of not being select AUX for a couple of weeks. I soldered 2k ohm resister on jack circuit board. It will now select AUX with or without a plug inserted.
Mar 2018 346000 mi US $110	Replaced leaking radiator
May 2018 349000 mi US $24	Drivers inner cv boot leaking a little around transmission side of inner boot. no tears. band still in place. replaced the one boot only.
May 2021 456000 mi US $450	Replaced control arms, ball joints, tierod ends, steering was a little loose
Aug 2021 465000 mi US $3500	Rack and pinion and subframe under rack replaced. rack and hose leaking,  subframe was corroded

Toyota Sienna in Texas, United States Sep 2008 - Aug 2015
Jan 2009 11300 mi	Catalytic converter replaced. Engine lights came on. Still under Toyota warranty but we did buy the extended service contract just because of the problems with the T&C. they kept it 5 days due to wrong part came in and had to reorder part. It is working. Catalytic converter replaced
Apr 2009 20000 mi	The key remote quit working they said they had to reprogram the remote. It works fine now.

Toyota Sienna in Texas, United States Jun 2009 - Jun 2013
Jul 2012 85200 mi US $180	Wasn't cooling
Oct 2012 87000 mi US $100	Rear hub assembly

Toyota Sienna in North Carolina, United States Nov 2009 - Jun 2018
Dec 2009 35000 mi	water leak around hatch a/c compresor shut off when wet a/c compressor shut off when wet
Nov 2014 130000 mi US $50	Rear latch switch worn out and wouldn't work.
May 2016 149900 mi	power steering fluid leak. oil leak in back of engine. suggested removing engine to determine source left driver boot leaking
Aug 2017 165000 mi US $50	replaced rubber boot at exterior antenna

Toyota Sienna in New Hampshire, United States Mar 2011 - Sep 2017
Jun 2013 79000 mi US $150	cracked steering column front caliper malfunction - sticking and caused rotor to warp. had to replace caliper, both front rotors and front brakes.
Sep 2015 126000 mi US $300	rear calipers rear coil springs
Jun 2016 130000 mi US $100	leaking front struts; replaced front struts and coil springs air conditioner not cold - blowing warm air

Toyota Sienna in Iowa, United States Jun 2008 - Dec 2016
Apr 2012 43000 mi US $50	Rear vent window trim came loose, preventing window from fully closing.

Toyota Sienna in Ontario, Canada May 2008 - Sep 2018
Jul 2009 15500 mi	replaced radio
Mar 2010 26040 mi	all controls on the radio would become inoperative intermittently, display will show unreadable characters and symbols (all garbled up) the radio controls on the steering wheel OK all the time

Toyota Sienna in Indiana, United States Feb 2008 - Jun 2022
Jul 2014 93000 mi US $780	Left rear spring was broken and needed replaced. Replaced both left and right springs.
May 2017 132000 mi US $400	Both front wheel bearings making grinding noise. Front wheel bearings replaced.
Jun 2017 134000 mi US $500	AC stopped cooling. Shop investigated problem and discovered that the coolant line in the passenger side rear wheelwell were badly corroded and the fittings were leaking. This van has the rear AC unit. Shop was able to get the fittings apart and replace the gaskets. Alternate repair was to replace the entire line set and rear AC for substantially more money. The replaced gaskets seem to have fixed the problem for now.

Toyota Sienna in California, United States Feb 2008 - Jun 2022
Jul 2010 22000 mi	stereo LCD screen would be blank, had to replace the stereo power seat needed lubrication, was making grinding noise.

Toyota Sienna in California, United States Feb 2008 - Jun 2018
Sep 2008 8000 mi	Broken trim  Radio controls & display will sometimes stop working.
Jul 2010 28700 mi US $50	Bumper misaligned
Nov 2010 33700 mi	interior light sometimes doesn't come on when it should
Aug 2012 56300 mi	quick lube shop damaged car causing oil leak
Dec 2012 62000 mi	replaced power steering mechanicals
Jun 2015 91000 mi US $450	replace cv joint

Toyota Sienna in Pennsylvania, United States Feb 2008 - Jun 2016
Feb 2014 54700 mi US $256	Coil spring broken
Feb 2016 69300 mi US $145	AC recharge

Toyota Sienna in Nebraska, United States Feb 2008 - Mar 2010
Dec 2009 19000 mi	Blower noise
Jan 2010 19000 mi	Dash noise. Could not figure it out. Have to take it back. Ordered new radio.
Feb 2010 19000 mi	Installed new radio.
Mar 2010 19000 mi	Dash noise still present when sold.

Toyota Sienna in Tennessee, United States Apr 2008 - Jun 2011
Jun 2008 1000 mi	Starter was not disengaging after car started and it would continue to crank for a few seconds. Dealer could not replicate.

Toyota Sienna in California, United States Nov 2007 - Jun 2022
Aug 2015 88900 mi US $89	Steering rack leak.
Jun 2016 99000 mi US $25	homelink button snapped. took it apart and glued it back together. glue didn't hold.

Toyota Sienna in Illinois, United States Jul 2009 - Mar 2011
Aug 2009 33000 mi	Had some minor issues at purchase. I have had the driver's side sliding door window seal repaired... ...and the radio had an intermittent glitch, the display would occasionally go blank.

Toyota Sienna in Kentucky, United States Mar 2009 - Jul 2022
Oct 2013 95500 mi US $550	Steering rack leak. Replaced rack with remanufactured unit.
Jan 2016 103700 mi US $190	Oxygen sensors replaced by myself, as fuel mileage had declined and exhaust was getting sooty.
Aug 2016 142000 mi US $60	Serpentine idler roll squealing. Bearing worn out; replaced roll.
Nov 2017 161000 mi US $270	L front caliper seized and was replaced. Heat caused wheel bearing lube failure so bearing was replaced too.
Jun 2021 199600 mi US $700	Transmission began missing shifts and slipping. Replaced all solenoids, no effect. Dx: clutches shot. Not worth doing on this old jalopy. Was planning to part it out. Now looking for a replacement transmission.
Jul 2022 199000 mi US $5200	Jasper rebuilt unit installed.

Toyota Sienna in California, United States Jun 2010 - Aug 2017
Sep 2011 55000 mi	noise in acc belt on engine shutoff. noise is intermittant. i replaced belt, noise went away for 2 weeks but came back
Feb 2013 80200 mi US $15	slow leak in the steering rack end seal, resulting in oily mess on the boot. cleaned up oil, added lucas stop leak, monitoring.
Mar 2013 81000 mi US $30	Idler pulley bearing worn, made squealing noise.
Sep 2013 90000 mi US $270	replaced struts
Jan 2014 81200 mi	strut mount was loose
Jun 2014 106000 mi US $40	The Mevotech sway bar links I'd put on about a year previously had loosened up in their joints to the point where they were clanking. I replaced them with MOOG parts
Dec 2016 145000 mi	Passenger side steering rack boot failure

Toyota Sienna in California, United States Jun 2010 - Dec 2016
Dec 2016 65000 mi US $2200	Cables that operate power sliding door failed and door could not be opened either powered or manually. Other side is failing as well.

Toyota Sienna in North Carolina, United States Mar 2011 - Dec 2017
Jun 2012 73000 mi US $370	Front wheels were making a squeaking noise when driving, mechanic tested and said new wheel bearings were needed. Replaced both front wheel bearings. While this work was done, front axle was replaced because rusted and mechanic 'broke' it.
Feb 2013 83100 mi	Power steering rack leak
Jan 2017 130000 mi US $370	Coolant was leaking out of hose - had to repair the hose and also repair thermostat that wasn't working.

Toyota Sienna in Nevada, United States Dec 2010 - Jul 2018
Jun 2012 82000 mi	Brake pads and rotors. Shocks and alignment. Trans fluid flush.
Jul 2016 163700 mi US $13	Battery replaced under warranty. Total cost: $12.95
Oct 2017 187000 mi	Bad front rotors and pads. No repairs done. No money. Left side CV boot torn. No repairs done. No money.

Toyota Sienna in Florida, United States Mar 2011 - Apr 2011
Apr 2011 43000 mi US $235	bad steering linkage

Toyota Sienna in Texas, United States Mar 2010 - Oct 2013
Apr 2013 95500 mi US $420	Leaking oil. Found VVTI tube assy is leaking and pintle hose.

Toyota Sienna in Virginia, United States Apr 2011 - Dec 2014
Dec 2012 51000 mi	Replaced O2 sensor under extended warranty
Sep 2013 63000 mi US $250	Leaking steering rack

Toyota Sienna in North Carolina, United States Sep 2009 - Jun 2022
Jul 2009 18260 mi	Air/fuel sensor dies; replaced under warranty by the dealership.
Jun 2012 45000 mi US $18	Wiper fluid nozzle cracked. I bought a replacement from the dealer and installed it myself in 2 minutes.
Dec 2017 90000 mi US $15	Small leak from the power steering hose at the reservoir. I replaced the clamp with a new one, which seemed to fix it.
Jul 2021 115000 mi US $600	The water pump was failing. The pump and related parts (pulley, belt) were replaced.

Toyota Sienna in Texas, United States Sep 2008 - Jun 2018
Oct 2010 26000 mi	Controls for Radio / 6-disk CD changer failed to operate, other than volume control. windshield trim came loose
Nov 2011 31700 mi US $50	Rear hatch handle - rubber melted into sticky goo
Mar 2013 41000 mi US $20	rear vent window trim was replaced. Cost was for part only. Service rep replace the trim for free.
Sep 2013 43000 mi US $350	water in Sienna trunk after heavy rain. Jute under carpet was replaced because water soaked. No defects could be found to allow the water to enter trunk. Likely twigs / acorns stuck in gasket around rear door allowed water in.
Oct 2017 66135 mi US $1185	Floor area is wet. Remove carpet and clean. replace complete jute padding. Replace cabin filter. (small twigs tend to collect at the top of the hatch along the gasket. After a while some slip down onto the gasket enough that it allows water to leak into the rear area of the van. During the heavy storms we had, the rear half of the vehicle was very very wet.

Toyota Sienna in Tennessee, United States Apr 2010 - Jun 2015
Dec 2010 39000 mi US $69	Key fob remote lost its program.

Toyota Sienna in New Hampshire, United States Oct 2009 - Jul 2017
Nov 2011 71500 mi US $175	some hose broke and all the engine oil leaked out and was sprayed around the engine compartment. Car had to be towed. Cost of repair was like $7 for the hose and about $170 for diagnosis, repair, and cleanup.
May 2014 127000 mi US $950	Power steering rack / box replacement
Sep 2015 152000 mi US $120	Interior lights will not shut off. Took to dealer and they couldn't figure it out. Said they would have to tear apart the dashboard to diagnose further. That was an additional $1300. I declined and instead just shut the lights off manually.
Nov 2015 156000 mi US $350	a/c Heater Blend Fan actuator relay went bad.
Apr 2017 180000 mi US $140	Replaced rear wheel bearing assembly

Toyota Sienna in Utah, United States Nov 2009 - Jun 2015
Aug 2010 50800 mi US $130	Check engine light flashed at highway speed 3 hrs after getting car back from Trip 1. Dealer determined that vibration from unbalanced tires was triggering VSC causing misfire in engine. Balancing tires fixed the engine problem.
Jan 2014 52700 mi US $46	Tire pressure sensor was replaced in one of the tires.
May 2014 108900 mi US $80	Check engine light came on for cam alignment (timing?). Mechanic said it's a normal response to sludge buildup in 6-cyl Toyotas & did a flush out with an oil change.
Mar 2015 124000 mi US $1200	Lots of clunking & wobbling in front end; shop replaced struts, bearings, and bushings; maybe shocks too.
Jun 2015 124000 mi	Struts were inappropriately installed at last repair; different shop had to fix the struts, including replacement of a destroyed bushing.

Toyota Sienna in Idaho, United States Jun 2021 - Jun 2022
May 2022 150153 mi US $425	Water Pump was leaking. Water pump and thermostat were replaced.

Toyota Sienna in Pennsylvania, United States Feb 2008 - Jan 2013
Mar 2010 24000 mi	Front passenger seat power switch was sticking, then stopped working. Part ordered and replaced on subsequent visit. Switch on the LH sliding door that turns the dome light on when the door is open was sticking. Part ordered and replaced at subsequent visit. Switch on the LH sliding door that turns the dome light on when the door is open was sticking. Part ordered at prior visit and replaced at this visit. Front passenger seat power switch was sticking, then stopped working. Part ordered at prior visit and replaced during this visit.
Sep 2010 32000 mi	Half of front passenger seat does not recline. The airbag sensor in this seat is also giving errors, implying that someone is in the seat unbuckled when the seat is completely empty.
Oct 2010 32500 mi	Front passenger seat frame and motor replaced under warranty.
Dec 2010 35000 mi	Passenger seatbelt alarm would go off when the seat was empty. Dealer could not duplicate in first trip, fixed in second trip.
Mar 2012 52000 mi	TPMS sensor had to be replaced. Dealer may have damaged it during an earlier tire installation, so they agreed to provide parts and labor for free, despite the vehicle being out of warranty.

Toyota Sienna in California, United States Sep 2011 - Sep 2017
Mar 2013 79000 mi	driver and passenger air mix servos replaced. blower motor replaced. Steering rack leaking.
Mar 2014 90000 mi	Passenger sliding door release actuator replaced under service contact
Jan 2015 100000 mi	replaced leaking radiator timing chain cover oil leak. had to remove engine and reseal hvac servo replaced hatch struts replaced exterior rear hatch button failed
Feb 2015 100700 mi	driver door check cracked
Nov 2016 120000 mi US $800	replaced water pump and top radiator hose replaced all pulleys that touch the belt to stop noise, belt

Toyota Sienna in Maryland, United States Sep 2007 - Jun 2018
Mar 2008 4000 mi	Coolant smell -was told it was a "new car thing"
Jun 2009 19000 mi	20,000 mile maintenance created a squeak in driver side power sliding door. relubed and aligned the door lock and handle and the squeak went away
Sep 2010 35000 mi	Had a rattle in driver side sliding door again. Seat belt latch in third row broken and replaced
Mar 2011 42000 mi US $100	broken seat belt buckle
Jan 2014 80500 mi US $1500	rack and pinion boot ripped, R&P was leaking. Expensive! Battery replacement, but wore out after only 24 months Automatic Rear Hatch hesitating when opening, sometimes not going all the way up and coming back down
Sep 2015 92000 mi US $300	Baffle that directs the airflow and controls mix of hot and cold air failed, and both a/c and heat were not working.
Aug 2016 103800 mi	A/c recharge to hunt for a problem. Put dye in system. Not holding Freon. They refilled it and put dye in to find the leak.
May 2017 110000 mi	Loose trim. I taped it down.
Jun 2018 130000 mi US $600	Loose gasket in exhaust system replaced Valve that controls the max of hot and cold failed $300 part.

Toyota Sienna in Indiana, United States Mar 2017 - Mar 2018
Sep 2017 147000 mi US $95	Replaced wheel bearing. Driver side

Toyota Sienna in Massachusetts, United States Jan 2018 - Jul 2018
Jan 2018 156000 mi US $1800	Power outlets in front stopped working. Replaced fuse New pads and new tires

Toyota Sienna in Iowa, United States Apr 2010 - Nov 2016
Sep 2010 99000 mi	looked for codes only. transmission is leaking alot of fluid, and slipping occassionally.
Nov 2010 103000 mi US $350	replaced a leaking transfer case.
Dec 2012 195000 mi US $990	driver side rear hub. I have irregular wear also on the rear tires....I will have a repair coming on that.
May 2013 217000 mi US $1400	driver front wheel bearing and alignment. rear axle
Jun 2013 221000 mi US $283	rear axle was shimmed to attempt a correction to the rear tires wearing out very quickly on the inside edge, due to them slanting inward at the top of the tire.  Replaced the sway bar links.
Aug 2013 228700 mi US $251	Replaced the boot on the rack and pinion steering. Replaced one of the catalytic converters.
Feb 2014 255800 mi US $500	replaced passenger right front wheel bearing and race, tire and alignment
Nov 2014 291000 mi US $50	replaced new front struts new high beam headlights
Jan 2015 259300 mi US $400	passenger rear wheel bearing went out.
May 2015 316000 mi	The rear beam appears to be have the hub bracket welded at a slight angle. The result is the inability to get the vehicle in alignment and irregular wear on tires. The repair included shimming the rear hubs, but still having issues.
Jun 2015 320000 mi US $166	alignment attempted with shims...unsuccessful. no freon in system. Added leak finder and freon
Jun 2016 370000 mi US $500	oil seals near oil filter came loose. lost all my engine oil. replaced the seals and refilled with oil. running ok with some minor oil leaks.
Nov 2016 380000 mi US $4000	Transmission went out. I gave it away to a mechanic friend.

Toyota Sienna in Virginia, United States May 2014 - Sep 2014
May 2014 90000 mi	Transmission is not shifting correctly between 3-4 gear ENTIRE ENGINE HAD TO BE REPLACED. Waterpump as well. Radiator had to be replaced.

Toyota Sienna in Colorado, United States Jul 2010 - Mar 2014
Aug 2010 16800 mi	Battery died for 5th time. Sat in car with radio on for about 15 minutes then could not start.  Battery died 5 times. Had them replace it.
Dec 2010 19000 mi	Battery keeps failing. Dealer claims there is nothing wrong with it. Drivers seat has spring that sticks out. Dealer claims they need to replicate the problem and could not
Mar 2011 20000 mi US $1000	Left rear power door stopped working - previously it had intermittent problems which the dealer could not reproduce. Motor was bad and was replaced. Also, battery died while at dealer and was replaced. Previously dealer could not reproduce
Oct 2013 31300 mi US $85	Batter died prematurely for the second time

Toyota Sienna in Washington, United States Dec 2014 - Jun 2018
May 2018 142000 mi US $438	Engine oil was leaking due to a small tear tear in oil tube.

Toyota Sienna in Colorado, United States Jun 2017 - Oct 2021
Oct 2021 149000 mi US $1800	Alternator