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2007 Toyota SIENNA Engine Problems, Complaints and Defects

Issue ID	1097276
Internal NHTSA #	10621256
Manufacurer	Toyota Motor Corporation
Brand	TOYOTA
Model	SIENNA
Model Year	2007
File date	25/07/14
Component	ENGINE
Product type code	VEHICLE
Description of the problem	While traveling at 75mph on interstate, i noticed heavy white smoke trailing vehicle. Slowed and pulled over. Inspected engine and found large oil leak. No check engine or low oil lights illuminated prior to smoke. Entire bottom of the car coated with oil, including exhaust system, front passenger tire and rear tires. No oil registered on dipstick. Towed to toyota dealer where the car was purchased. Failed part was the oil cooler hose. Technician showed me the faulty rubber hose which had a pin-hole leak and there was barely one half quart in the engine, which holds 6. 4 quarts. Judging by how often i had been looking in the rear view mirror due to traffic, i'd estimate the leak was only a few minutes in length and the engine would have been without oil and at highway speed very soon if i hadn't noticed. This is not an extraordinary event until you realize that the oil hose that failed was part of toyota's 90k oil cooler hose limited service campaign for 2gr-fe v6 engines in 2011. I had my car undergo this fix, which simply replaced a rubber hose with another rubber hose which was supposedly made from a compound that better resists hot oil. The replacement hoses are failing, which is what toyota tsb-0201-11 "oil cooler seep" (dec 21, 2011) is meant to cover and it replaces the rubber oil hoses with an all-steel hose. However, it only applies to customers still under the 36,000 mile warranty and with a "seeping" hose. Most 2007 sienna owners, like me, were well past warranty mileage in 2011, had no indication from toyota that the rubber oil hoses were potential problems and are only getting the steel hose after catastrophic engine oil loss. I was billed $532 for the oil cooler hose replacement and quoted $307 to replace the o2 sensor which was damaged by the volume of hot oil that sprayed on it. Huge oil loss at highway speeds. Toyota knows, but many owners do not.
Vehicle Mileage at Failure	115187
Number of Occurences	1
Source of the issue	NHTSA WEB SITE
City and State	SIOUX FALLS, SD
VIN pattern	5TDZK22CX7SXXXXXX
Was vehicle invloved in a crash?	N
Was vehicle involved in a fire?	N
Was incedent reported to police?	N
Was medical attention required?	N
Was part original equipment?
No. of injured persons	0
No. of fatalities	0
Date of purchase	07/08/26
Was original owner?	N
Anti-lock brakes	N
Cruise control	N
Number of cylinders	6
Drive train type
Transmission type
Vehicle speed	75
DoT tire identifier
Tire size
Location of tire code
Type of tire failure code
Was defective tire repaired?
Date of manufacture
Type of child seat code
Type of restraint
Dealer's name
Dealer's telephone number
Dealer's city
Dealer's state code
Dealer's ZIP code

What is Recall?
A recall is when a product is removed from the market or a correction is made to the product because it is either defective or potentially harmful.
What is Failure?
Failure is the state or condition of not meeting a desirable or intended objective, and may be viewed as the opposite of success. Product failure ranges from failure to sell the product to fracture of the product, in the worst cases leading to personal injury, the province of forensic engineering.
What is Defect?
Non-conformance of a car component with the specified requirements, or non-fulfillment of user expectations, including the safety aspects.

Last decoded VIN:

TYBFE649F6DR00955 5TDZK3DC4DS28H532 RFHJT81BBDS001059 TSMNZC72S00615775 1J8H3E8M56Y176432 YS2P4X20001274030 KNAF54166N5151910 SALVA2BE7EH875973 WDB9036622R452580 WF0DXXGAJD3U55988 WDCGG8JB2FG394832 2HKRM3H50FH524600

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2007 Toyota SIENNA Engine Problems, Complaints and Defects, Recalls and Failures

2007 Toyota SIENNA Engine Problems, Complaints and Defects

What is Recall?

What is Failure?

What is Defect?