2005 TOYOTA SIENNA Engine And Engine Cooling Problems

The contact owns a 2005 Toyota Sienna. The contact stated while driving 65 MPH, the oil warning light illuminated. The contact pulled over, opened the hood, and added additional oil. The vehicle was towed to an independent mechanic, who informed him that the engine needed to be replaced. The vehicle was towed to the residence. The local dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was not notified. The approximate failure mileage was 142,000.

A/C WENT OUT APRIL 2012. BLOWS HOT AIR. ACCORDING TO ONLINE FORUMS THIS HAPPENS A LOT IN SIENNA'S - 2004 TO 2006 MODELS. WE HAVE 5 CHILDREN IN THE VEHICLE AND CANNOT TAKE THEM VERY FAR EVEN WITH THE WINDOWS DOWN OR THEY COULD POSSIBLY GET HEATSTROKE. THEY ARE SWEATED WET BY THE TIME WE GET FROM POINT A TO POINT B. WE OPEN ALL WINDOWS AND THE REAR ONES THAT ONLY OPEN 2 INCHES AS WELL. FORUM LINK WHERE I FOUND THIS INFO (SAME ISSUE AS OUR SIENNA) IS HTTP://WWW.TOYOTAFANS.NET/2004-SIENNA-AC-PROBLEMS-T2523-ST20.HTM -THE SEAT BELTS IN OUR SIENNA LOCK UP, FOUND THE RECALL ON THIS SITE SO WILL BE TAKING IT TO THE DEALER FOR THAT. NOT JUST THE MIDDLE ROW SEAT BELTS THOUGH. IT IS REAR SEATBELTS AS WELL AS FRONT DRIVER AND PASSENGER SEAT BELTS. -THE TAIL LIGHT WORKS WHEN IT DECIDES TO. SOMETIMES IT IS OFF SO WE...

TL* THE CONTACT OWNS A 2005 TOYOTA SIENNA. THE CONTACT STATED THAT WHILE HAVING THE VEHICLE SERVICED, THE MECHANIC NOTICED THAT THE RADIATOR WAS LEAKING. THE RADIATOR CAUSED THE VEHICLE TO STALL AND OVERHEAT DUE TO LOSS OF FLUID. THE CONTACT TOOK THE VEHICLE TO A DEALER AND THE DEALER STATED THAT THE RADIATOR NEEDED TO BE REPLACED. THE RADIATOR WAS REPLACED AT THE CONTACT'S EXPENSE. THE FAILURE MILEAGE WAS 67,000.

TL* THE CONTACT OWNS A 2005 TOYOTA SIENNA. THE CONTACT STATED THAT NOISES WERE HEARD FROM THE DASHBOARD. THE NOISE HAD NOT CAUSED ANY PROBLEMS WITH THE VEHICLE. THE VEHICLE WAS TAKEN TO THE DEALER, BUT THE DEALER WAS UNABLE TO DETERMINE WHAT CAUSED THE NOISE. THE FAILURE MILEAGE WAS 112,000 AND THE CURRENT MILEAGE WAS 136,420. UPDATED 4/2/12 *CN

THE ENGINE SPEEDS UP BRIEFLY ON ITS OWN CAUSING VEHICLE TO BRIEFLY SPEED UP. IT USUALLY LASTS ONLY A FEW SECONDS. *TR

TL*THE CONTACT OWNS A 2005 TOYOTA SIENNA. THE CONTACT STATED THAT BOTH THE DRIVER AND PASSENGER SIDE DOORS WERE INOPERABLE. THE KEYLESS ENTRY WOULD NOT OPERATE AND SHE COULD ONLY ENTER THE VEHICLE MANUALLY. THE CONTACT HAD TO MANIPULATE THE LOCK ENTRY IN ORDER TO ENTER AND EXIT THE VEHICLE BY HOLDING THE MANUAL LOCK IN PLACE WHILE CLOSING AND/OR OPENING THE DOOR. THE RADIATOR WAS ALSO IN NEED OF REPAIR. NO REPAIRS HAVE BEEN PERFORMED. THE VIN WAS UNKNOWN. THE FAILURE AND CURRENT MILEAGES WERE OVER 100,000.

VEHICLE CAUGHT FIRE SPONTANEOUSLY DURING NORMAL USE. FIRE STARTED IN THE AREA OF EXHAUST MUFFLER AND QUICKLY SPREAD INTO THE CABIN. *TR

ON DECEMBER 5, 2007, I CAME OUT OF COSTCO TO FIND THE FIRE DEPARTMENT HAD ALREADY PUT OUT THE ENGINE FIRE ON MY 2005 TOYOTA SIENNA - ABSOLUTELY NO WARNING. IT HAPPENED AFTER I HAD GONE IN TO SHOP SO THE ENGINE WAS COMPLETELY OFF WITH NO PERSON IN IT. *TR

VEHICLE HAS EXCESSIVE SPARK KNOCK AT LOW SPEEDS, STARTING FROM A STOP AND AT NORMAL DRIVING SPEED WHEN ENGINE IS UNDER A LOAD. SPARK KNOCK WORSE WHEN ENGINE IS WARMED UP AND DURING WARM WEATHER. CHANGING OCTANE LEVEL DOES NOT HELP SPARK KNOCK. THIS HAS BEEN HAPPENING SINCE VEHICLE WAS BOUGHT IN APRIL 2005. VEHICLE HAS BEEN BACK TO THE DEALER SEVERAL TIMES TO TRY TO FIX THE ISSUE TO NO AVAIL. *JB