2008 Toyota Sienna Toyota Sienna 2008

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2008 Toyota Sienna repairs by problem area

Engine (23%)

Transmission and Drivetrain (5%)

Brakes and Traction Control (4%)

Suspension and Steering (27%)

Electrical and Air Conditioning (27%)

Paint, Rust, Leaks, Rattles, and Trim (9%)

Other (6%)

Chart based on 270 repairs.
See TSBs and recalls for the 2008 Toyota Sienna.

2008 Toyota Sienna repair cost distribution

$2500+ (3%)

$1000 - $2499 (9%)

$500 - $999 (13%)

$100 - $499 (27%)

< $100 (48%)

Worried about potential repair costs? An extended warranty can provide peace of mind.

Chart based on 208 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2008 Toyota Sienna

Engine not specified

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. 

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2008 Toyota Sienna 4dr Minivan, ext.

266-horsepower 3.5L V6 5-speed automatic FWD

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. 

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2008 Toyota Sienna 4dr Minivan, ext.

266-horsepower 3.5L V6 5-speed automatic AWD

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 

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2008 Toyota Sienna Repair Histories

See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently 2008 Toyota Sienna problems occur, check out our car reliability stats.