| 1 | 0 | 3 | 4 | 3 | 4 |
2006 Toyota Sienna repairs by problem area
Engine (19%)
Transmission and Drivetrain (6%)
Brakes and Traction Control (3%)
Suspension and Steering (19%)
Electrical and Air Conditioning (35%)
Paint, Rust, Leaks, Rattles, and Trim (6%)
Other (12%)
Chart based on 346 repairs.
2006 Toyota Sienna engine repair cost distribution
$2500+ (3%)
$1000 - $2499 (17%)
$500 - $999 (12%)
$100 - $499 (33%)
< $100 (35%)
Chart based on 60 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
2006 Toyota Sienna 4dr Minivan, ext.
215-horsepower 3.3L V6 5-speed automatic FWD
| 130000 mi | Vehicle stalls intermittently, doesn't start intermittently. Replaced ground strap. Did not fix problem. Dealer not sure orig. repair fixed car. Car stalled 5mi from dealer. Dealer had regional repair supervisor review case, no joy. Recommended new ECU at $1800 with no guarantee it would fix problem. Ended up trading the car in on a new one. |
| 104300 mi US $600 |
Needed new radiator. Slow leak. |
| 147000 mi US $400 |
coolant leak in water pump seal |
| 150000 mi | the second bank CC went out, and required replacement. |
| 98000 mi US $226 |
Check noise from engine;They determined it was the Power Steering pump whining. They did intake cleaning and intake filter replacement but MPG remains very low at this time...about 13.5 mpg. Mechanic suspects bad catalytic converter. |
| 100500 mi US $1350 |
For code P0430 Catalyst System Efficiency Below Threshold (Bank #2) I had them replace the front engine Catalytic Converter and the O2 sensors. Looks like it solved the problem but at great expense. |
| 35200 mi | Water pump and radiator |
| 88660 mi C $2600 |
Exhaust Manifold change between motor and catalyst. |
| 197000 mi US $300 |
Had some misfiring due to two bad ignition coils. Replaced all six ignition coils, as well as spark plugs. |
| 218000 mi US $60 |
Had a leak I couldn't identify. Mechanic was eventually able to identify as a coolant hose with a loose fitting. Tightened it up and that was that. |
| 60000 mi US $1200 |
The back heater was leaking antifreeze. They had to replace cooling lines in the back. Had Extended Warranty Yea! |
| 238393 mi | Radiator Water pump Timing belt |
| 134000 mi | Needed ignition coil replacement, full tune up, and new radiator. |
| 157000 mi US $200 |
Exhaust became noisy |
| 199000 mi US $155 |
Flex pipe replaced |
| 205450 mi US $275 |
Replace one ignition coil |
| 218000 mi US $51 |
One of two catalytic converters not working and second is going bad. $800/each for a total of $1600. |
| 239000 mi US $130 |
Serpentine belt |
| 253000 mi US $54 |
Vehicle running roughly. OBD code indicated bad ignition coil on cylinder 4. Replaced which fixed problem. |
| 269000 mi US $215 |
Replace exhaust flex |
| 180000 mi US $1300 |
Timing belt, tensioner, guides, and water pump, fluids. |
| 109120 mi C $1600 |
A fitting in the radiator blew out, taking out the attached A/C condenser as well, so both had to be replaced. The transmission cooler also leaked, leaving me stranded without a functioning transmission. All fluids - coolant, and trans fluid had to be added and the A/C system recharged. |
| 180000 mi US $100 |
The catalytic converter is losing pressure, but we decided to wait to fix it. |
| 68000 mi | Belt briefly squeaked on start up. Found tensioner bolt was loose. Fixed for free because belts were replaced due to the noise in a previous trip. |
| 123000 mi | Exhaust clamps on heat shield broke from rust and causing a rattle noise. Replaced with worm clamps. |
| 155000 mi US $25 |
Screws on the air filter box stripped and were lost causing loss of air-tight seal between air intake and filter. |
| 95000 mi US $50 |
A/C belt was making a loud noise when start the vehicle initially |
| 52000 mi US $250 |
One of four Oxygen sensors failed and had to be replaced. Only replaced the defective one. |
| 56000 mi US $160 |
Heater for oxygen sensor post cat. converter |
| 128000 mi US $250 |
Replaced front catalytic converter (Bank 2), it is one adjacent to radiator . |
| 129100 mi US $400 |
Coolant loss due to crack in Plastic part of radiator.Replaced both upper and lower hoses and thermostat at same time. |
| 133100 mi US $65 |
Replaced number 1 Cylinder spark plug coil . |
| 155000 mi US $10 |
Replaced both valve cover gaskets due to oil leak . Replaced spark plug seals at same time as they were brittle. I replaced the fire wall coil packs , even though they were functioning, as a preventative measure since they are difficult to get to and the job of renewing the valve cover gaskets involves removing all that was necessary for the coil packs as well. The packs at front are easier to access if need be. |
| 159000 mi US $600 |
Torque strut mount (dog bone ) replaced as well. |
| 71000 mi | rattling in front car , 3 visits to dealer, heat shield fixed first time, now they think it may be catalytic convertor has something broken inside but they are still not sure, sound still present, they want to wait till its louder more obvious |
| 76000 mi | replaced bank 1 catalytic converter |
| 79000 mi | loose heat shield |
| 93000 mi | coolant leak |
| 179000 mi US $300 |
ignition coil failed |
| 96000 mi US $1000 |
Car stalled, wouldn't drive while on the road. Multiple repairs needed, entire engine had to be removed to replace what was needed. Took a while to fix & parts to be ordered but mechanic had no experienced with this car, so that contributed. Update: spark plugs. |
| 24000 mi | cracked front exhaust pipe. |
| 95980 mi C $500 |
Timing belt replacement. Had to replace mounting brackets which were seized. |
| 88000 mi US $1080 |
Oil change, water pump leak, replace timing belt since it was close to the 90,000 mile mark. |
| 143300 mi US $995 |
Radiator rusted out. Replaced with OEM Toyota radiator |
| 93000 mi C $500 |
Timing belt replacement |
| 100000 mi C $150 |
Exhaust repair. |
| 118580 mi C $300 |
Exhaust repair |
| 62700 mi US $188 |
Serpentine belt squeaking with first cold start of the day. Goes away once warm. Dealer noted serpentine belt starting to "glaze" but completely intact and in good shape. No repair was needed at this time. |
| 98000 mi US $270 |
Spark plugs replaced |
| 134000 mi | The car had been into the dealer for a simple oil and filter change the previous month. It had a very slow oil leak after the change. After a couple of weeks, itstarted losing oil very quickly and it was brought back for an evaluation. The end result was a faulty oil filter which was replaced at no charge to us and the oil was topped at for free. |
| 55800 mi C $450 |
"Check Engine Light" with error code P0303 - "Cylinder 3 misfire". The problem was not successfully diagnosed and repaired during 4 visits to Toyota dealer. During 5-th visit, the coil was replaced, this fixed the problem. |
| 83700 mi C $1000 |
The dealer insisted that water pump was leaking and needed replacement. Water pump was replaced. |
| 103850 mi C $500 |
Replaced rusted sections of the exhaust system |
| 30000 mi | on steep long hway grades going 65-70mph downhill & braking after quick tap on acccelator took rpms to exactly 2500,where it froze- only braking could disengage- duplicated several times. recalibrated some kind of computer & thing seems fine |
| 116700 mi US $25 |
Check engine light on. Scanned it and it came up evaporative emissions system. Replaced the fuel cap which did not fix the problem. Van runs great, will eventually check all hoses for leaks. |
| 121800 mi US $2 |
Follow-up to check engine light. The Toyota dealership that replaced the spark plugs damaged a vacuum hose and taped it. When the tape failed the CEL came on. I replaced the damaged hose which fixed the problem. |
| 136000 mi US $1100 |
Radiator ruptured. Also needed to replace thermostat. |
2006 Toyota Sienna 4dr Minivan, ext.
215-horsepower 3.3L V6 5-speed automatic AWD
| 151280 mi C $3000 |
Thermostat seized causing overheating and valve head gasket failure. |
| 90000 mi US $2000 |
90000 mile service; added in water pump |
| 126000 mi US $100 |
Gasket just after engine connecting to exhaust system failed and was replaced. |
| 86800 mi C $200 |
Noise due to loosen belt |
| 94240 mi C $1400 |
Manifold Gasket Replace |
| 91000 mi US $773 |
Water pump leaking |
| 152800 mi US $235 |
Exhaust leak. Gasket at flex joint was worn. Replaced. |
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