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2012 Toyota Sienna Repair and Maintenance Costs

A guide to repairs, service, and maintenance costs for your 2012 Toyota Sienna

2012 Toyota Sienna Problems

Problem With Door Mechanism in Electric Sliding Doors

Models with electric sliding doors can develop problems with the door mechanism. The cable in the door becomes frayed, which will damage the electric motor.

Massive Oil Leak and Loss of Oil Pressure

The VVT-i oil line is known to burst. This is a very large leak which covers the ground, engine, and undercarriage.

If the oil line ruptures while driving, the low engine oil message and engine oil pressure warnings will illuminate. Continued use after these warnings will result in complete engine failure due to oil starvation.

The line is known to be defective, and a revised part has been issued by Toyota, however, this revised part is known for the same issue.

To repair the issue, the line must be replaced, and the engine bay and undercarriage must be cleaned thoroughly.

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2012 Toyota Sienna Questions

SRS warning light comes on (1 answer)

sometimes if I mess with the seat belt on passenger side it comes off.

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2012 Toyota Sienna Recalls

Passenger Air Bag Inflator Ruptures During Deployment Spraying Metal Fragments

The passenger frontal air bag inflator may rupture on deployment, causing metal fragments to come through the air bag and injure occupants. Dealers will replace the passenger frontal air bag inflator or air bag assembly free of charge to resolve the concern.

Power Sliding Door Opens Unexpectedly While Driving

The power sliding door may not open when commanded, and may open unexpectedly while driving. As of the time of this writing, a repair procedure is still being developed. Dealers will make repairs to resolve the concern free of charge.

Possible Fuel Leak

82 vehicles manufactured by Eldorado National-Kansas (ENK) may have a condition where the left rear shock absorber can contact the fuel filler neck. These vehicles are all modified versions of the Toyota Sienna. The resulting damage could cause a fuel leak, increasing the risk of a fire. ENK dealers will relocate the rear shock absorbers and add a spacer to correct this concern.

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