Radiator Hose Problems of Toyota Sienna

Oil cooling hose broke and all engine oil leaked from engine. Vehicle was in motion but made to parking spot. No warning of event and no dash/engine light signaling problem. Only oil on ground under van signaled problem. Van was subjected to recall in 2011 which replaced hose. Dealer replaced parts as repair with a complete redesigned part removing rubber hosed all together. This was not a recall but owners expense. Manufacturer never notified owner of this defective part or event possibility.

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Driving city street ruptured rubber cooling line hose to engine. . . Smoke pouring from vehicle no oil left. . . No warning light on dash. Towed to butler Toyota last month oil change at this same dealer today rubber line replaced with a metal hose costing me $496. 00. . Toyota corporation needs to refund this to me and all of the other Sienna owners who have had this experience.

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Oil started leaking heavily; I was notified by a coworker and was able to get the car into firestone before the engine locked up. Low oil pressure warning came on as I drove into firestone lot. Techs told me the oil cooling hose failed (at 109000 miles). Old hose was made of rubber attached to metal plates and had failed two places in the rubber hose. New hose is made of metal so techs checked for a recall and found none. This could be a big safety issue if people are not aware of what is happening and get stranded somewhere or the engine locks out on them at speed.

The oil cooling hose popped while driving car. Apparently there was a recall/service bulletin for this issue involving other Toyota and Lexus vehicles. For some reason there was none issued for this vehicle. Now there is engine damage. Toyota dropped the ball on this one. They need to be held liable for the damage.

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My 2008 Toyota Sienna began to create a smoke screen impairing me from having a clear visual of the road. I had to immediately pull to the side of the freeway and check if my vehicle was on fire. Once I inspected the outside and open the hood to make sure nothing was on fire I notice a puddle of oil under the vehicle an upon further look my engine motor oil cooling hose had burst, spraying the motor and everything inside with motor oil. This was the 3rd time this vehicle has done the same problem.

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The contact owns a 2007 Toyota Sienna. While driving 60 mph, the contact noticed smoke coming from the rear of the vehicle without warning. The contact pulled the vehicle over to a nearby fuel station. The vehicle was towed to the dealer where it was diagnosed that the engine oil cooling hose needed to be replaced. The vehicle was repaired. While driving 25 mph, the steering wheel failed to turn left or right without warning. The vehicle was taken to the dealer where it was diagnosed that the drive belts in the tensioning system needed to be replaced. The vehicle was not repaired. The manufacturer stated that they extended a warranty, but would not pay for the repair. The failure mileage was 100,600.

Oil cooling hose ruptured while driving the car at approx. 60 mph on the highway. Black smoke began to pour out the back of the car. Oil sprayed over the engine and underside of the car and rendered the car undrivable. Damage also sustained to the drive belt tensioner system.

2008 Toyota Sienna. Consumer writes in regards to vehicle engine problems. The consumer stated the air condition was not cooling the vehicle, and she thought it just needed to be serviced. After two hours of driving, the check engine light illuminated. By the time she was able to pull over, the engine was ruined, the dealer stated the engine water hose and oil hose had malfunctioned.

The rubber in the oil cooling line broke down and drained most of the oil from the engine. From looking at the different boards this seems to be a common problem with this hose. Toyota even re-designed the hose with a metal sleeve because of this.

Purchase 2002 Sienna ce in June 2002. Have leak in top radiator hose where it joins the engine. Looses coolant over several weeks. Brought to Toyota dealer where purchased and they refused to replace the hose. Installed a new clamp. Now 3 months later the problem is back. I believe this is a bad part that should be replaced under the warranty. The dealer is giving me the run around.

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