2003 TOYOTA 4RUNNER Engine And Engine Cooling Problems
7 NHTSA complaints on file
Engine And Engine Cooling Issues in the 2003 TOYOTA 4RUNNER
7 engine and engine cooling complaints have been filed with NHTSA for the 2003 TOYOTA 4RUNNER. Of these, 0 involved a crash, 0 involved a fire, and 0 resulted in injury.
7
Complaints
0
Crashes
0
Fires
0
Injuries
0
Deaths
All Engine And Engine Cooling Complaints
I BOUGHT MY 2003 TOYOTA 4RUNNER LESS THAN A YEAR AGO FROM AN AUTO GROUP (TOYOTA, HONDA, ECT) AND HAD THEM PERFORM A SAFETY INSPECTION. SINCE IT WAS USED I KNEW THERE WOULD BE SOME ISSUES, THE ONLY PROBLEM IT HAD WAS THE RECOMMENDED SERVICE WASN'T COMPLETED AT 90K MILES (TIMING BELT, WATER PUMP, ECT). I WORKED THAT INTO THE DEAL AN WAS ON MY WAY. AFTER DEPARTING THE U.S. AND SHIPPING MY CAR TO HAWAII, THE INSPECTORS HERE FOUND A LOT OF RUST ON THE FRAME AND SAID IT COULD BE AN ISSUE GETTING AN APPROVED SAFETY INSPECTION (REQUIRED FOR REGISTERING THE CAR IN HAWAII). THEY SAID IT ISN'T SEVERE NOW, BUT CAN BE LIVING IN THIS STATE AS IT IS VERY RUSTED AND WILL CONTINUE TO DO SO IN SUCH A HUMID ENVIRONMENT. THEY ALSO SAID THAT TACOMAS FOR THAT YEAR HAD A RECALL DUE TO EXCESSIVE FRAME...
WHILE IN PROCESS OF REPLACING SERPENTINE BELT AND IDLER PULLEYS ON ENGINE, I NOTICED (AFTER REMOVING LOWER ENGINE SHIELD UNDER VEHICLE) SIGNIFICANT RUST DAMAGE TO FRONT FRAME SEGMENT UNDER RADIATOR SUPPORT. THE RIGHT SIDE TOW HOOK AND CORNER OF FRAME IT WAS MOUNTED TO FELL OFF IN MY HAND WHEN I TOUCHED IT. UPON FURTHER INSPECTION, THERE ARE OTHER PARTS OF VEHICLE FRAME WITH RUST DAMAGE, THOUGH NONE APPEAR TO BE AS SEVERE AS AREA OF FRAME UNDERNEATH RADIATOR. THIS PORTION OF FRAME APPEARS TO CONNECT THE TWO SIDE FRAME RAILS TOGETHER. *TR
TL* THE CONTACT OWNS A 2003 TOYOTA 4RUNNER. THE CONTACT STATED THAT WHEN DRIVING ABOVE 25 MPH, THE CHECK ENGINE LIGHT WOULD ILLUMINATE ON THE INSTRUMENT PANEL. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER WHERE THEY WERE UNABLE TO DIAGNOSE THE FAILURE. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 20,000 AND THE CURRENT MILEAGE WAS 30,000.
TL* THE CONTACT OWNS A 2003 TOYOTA 4RUNNER. THE CONTACT STATED THAT THE VSC TRACKING LIGHT ILLUMINATED, CAUSING THE VEHICLE TO VIOLENTLY JERK WHEN APPLYING PRESSURE TO THE BRAKES. NEITHER THE DEALER NOR MANUFACTURER HAD BEEN NOTIFIED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE CURRENT AND FAILURE MILEAGES WERE 100,000. THE VIN WAS UNAVAILABLE.
BOUGHT A 2003 TOYOTA 4RUNNER V6 4WD 2 1/2 YEARS AGO AS A TOYOTA CERTIFIED USED VEHICLE..WITHIN A YEAR I NEEDED A NEW SERPENTINE BELT DUE TO EXCESSIVE NOISE AT START UP. THE DEALER TOLD ME THERE WAS A TSB FOR THIS AND TO BRING THE CAR BACK IF I HAD FURTHER ISSUES. THE NOISE CAME BACK BUT WAS IRREGULAR, IT WOULD COME AT START UP EVERY DAY FOR A COUPLE WEEKS AND THEN DISAPPEAR FOR ANOTHER FEW WEEKS. THE NOISE GOT LOUDER AND SOUNDED SOMEWHAT DIFFERENT A COUPLE WEEKS AGO. BROUGHT IT TO THE DEALER AND THEY REPLACED THE IDLER PULLEY ON FRIDAY 07/16/10. IT SOUNDED LOUD AGAIN AT START UP AFTER I PICKED UP THE VEHICLE BUT THE NOISE EVENTUALLY WENT AWAY. HOWEVER MY SERPENTINE BELT ACTUALLY RIPPED LESS THAN A WEEK LATER (07/21/10) WHILE I WAS DRIVING 45MPH ON A CURVY ROAD. I FIRST LOST MY AC,...
MY VEHICLE SEEMED TO BECOME LOUDER WHEN IDLING OVER THE PAST 2 YEARS THAT I'VE OWNED IT. A COUPLE MONTHS AGO I NOTICED IT BEING NOTICEABLY MUCH LOUDER. THE NOISE COULD BE HEARD WHILE IDLING (RED LIGHT, DRIVE THRUS...) AND WOULD BECOME LOUDER WITH ACCELERATION UP TO ABOUT 40MPH. THIS WAS A RATTLING NOISE LOCATED ON THE DRIVER'S SIDE OF THE UNDERBODY, SOMEWHERE BETWEEN THE DRIVER'S AND THE PASSENGER'S SEATS. IT SOUNDED LIKE LOUD HEAVY VIBRATIONS, METAL ON METAL. I ASKED THE TOYOTA DEALERSHIP SERVICE DEPARTMENT TO CHECK OUT AND THEY FOUND THAT THE HEATSHIELD WAS SERIOUSLY RUSTED. THEY HAD TO ORDER THE PART IN ORDER TO REPLACE IT BUT SAID IT WAS RUSTED SO BADLY THAT THEY HAD TO REMOVE WHAT WAS LEFT OF THE ORIGINAL HEATSHIELD TO PREVENT FURTHER DAMAGE TO OTHER COMPONENTS. ONCE THE NEW PART WAS RECEIVED THEY WERE ABLE TO PUT ON THE NEW HEATSHIELD....
CHIRP NOISE FROM ENGINE AREA ON COLD START--THIS HAS REPEATED 5 TIMES SINCE VEHICLE PURCHASE--EACH TIME THE LOCAL TOYOTA DEALER HAS REPAIRED UNDER WARRANTY--REPLACED TENSIONER AND BELT--CHIRP SOUND RETURNS REPEATEDLY AFTER APPROX 6 MTHS OPERATION. *TR
Other 2003 TOYOTA 4RUNNER Problem Areas
Structurebody
246 complaints
Suspension
107 complaints
Unknown Or Other
97 complaints
Service Brakes
44 complaints
Steering
31 complaints
Vehicle Speed Control
23 complaints
Service Brakes Hydraulic
17 complaints
Structure
17 complaints
Power Train
14 complaints
Wheels
11 complaints
Engine
9 complaints
Air Bags
8 complaints
Traction Control System
8 complaints
Electrical System
7 complaints
Structureframe And Members
7 complaints
Structureframe And Membersunderbody Shields
7 complaints
Electronic Stability Control Esc
6 complaints
Engine And Engine Coolingexhaust System
4 complaints
Fuelpropulsion System
4 complaints
Seats
4 complaints
Power Traindriveline
3 complaints
Air Bagsfrontal
2 complaints
Latcheslockslinkages
2 complaints
Power Traindrivelinedriveshaft
2 complaints
Seat Belts
2 complaints
Tires
2 complaints
Visibilitysunmoon Roof Assembly
2 complaints
Visibilitywiper
2 complaints
Electrical Systeminstrument Panelspeedometerodometer
1 complaint
Electrical Systemwiringinteriorunder Dash
1 complaint
Engine And Engine Coolingcooling System
1 complaint
Engine And Engine Coolingengine
1 complaint
Engine And Engine Coolingexhaust Systememission Controlcatalytic Convertor
1 complaint
Equipment
1 complaint
Equipmentmechanicalaccessory Scissorscrewbottle Jacklift
1 complaint
Forward Collision Avoidance Automatic Emergency Braking
1 complaint
Fuel System Gasoline
1 complaint
Fuel System Other
1 complaint
Latcheslockslinkagesdoorslatch
1 complaint
Latcheslockslinkageselectronic Locklatch Actuator
1 complaint
Power Trainautomatic Transmission
1 complaint
Power Traintransfer Case 4 Wheel Drive
1 complaint
Service Brakes Hydraulicfoundation Componentsdiscpads
1 complaint
Service Brakes Hydraulicfoundation Componentsdiscrotor
1 complaint
Service Brakes Hydraulicfoundation Componentsmaster Cylinder
1 complaint
Service Brakes Hydraulicpedals And Linkages
1 complaint
Steeringlinkages
1 complaint
Structurebodyhood
1 complaint
Suspensionfrontcontrol Armlower Arm
1 complaint
Suspensionrear
1 complaint
Visibility
1 complaint