1998 Toyota sienna engine failed due to "sludge." Upon researching this issue, I have found that many others have experienced a similar failure. The information in regards to this problem were never communicated to the owners of these vehicles. *Tr
Engine & cooling
Toyota Van Engine problems by year
6 complaints filed with NHTSA about the Toyota Van's engine & cooling. Stalling, loss of power, oil consumption, overheating, head gaskets, timing chains and engine failure.
Engine complaints by model year
Latest Van engine complaints
Consumer noticed fire coming out of the front wheel well area, consumer heard 2 explosions, consumer suffered burns to left hand, fire investigator was unable to determine cause, possible engine failure. *Tt
While driving a fire ignited in engine compartment, cause has not yet been determined.*Ak consumer stated the vehicle was parked.*Slc
Consumer was traveling about 30mph on a side street and lost power steering without prior warning, and vehicle shut down. There were no injuries. The dealership was notified.*Ak upon diagnosis it was discovered that the woodruff key of crank shaft pulley failed resulting in loose nut and belts jumping out of pulley grooves. This caused damage to engine oil seal and idler pulley (tension pulley. *Yh
Was driving and the bolt that holds the engine pulley broke . *Ak
Owner states that their is excessive heat from the engine going inside vehicle. Owner is concerned about vehicle catching fire because of this. She also notes that floor of vehicle is hard because of abnormal tempertures. *Ak consumer states that the heat is so excessive that it burned the underside of the carpet. *Slc
Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked daily. Complaints are owners' own reports and are not verified. How we use the data