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2003 Toyota 4 RUNNER Power Train Driveline Differential Unit Problems, Complaints and Defects

Issue ID	462317
Internal NHTSA #	10058140
Manufacurer	TOYOTA MOTOR NORTH AMERICA, INC.
Brand	TOYOTA
Model	4 RUNNER
Model Year	2003
File date	19/08/03
Component	POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
Product type code	VEHICLE
Description of the problem	2003 toyota limited 4-runner v8- awdfront-end vibration problem first presented the vibration problem at 5048 miles to my dealer the last week of august! It is mostly felt through the steering wheel and the accelerator and occurs at various speeds. There is also a droning noise associated with the vibration and is most notable under load. They tried balancing the wheels with no improvement. They agreed the problem was there and notified corporate. Their technical staff had them remove the front axels and retest. The vibration, which started at 22 mph, went to 32mph 42, 55, and 62mph now disappeared! The dealer was advised that there was an angle problem with the front drive shaft. A week later a technical representative met with me and mentioned that several similar vehicles in phoenix had the same problem. He suggested it probably would take about two months to get a fix. He felt that toyota would probably just replace the whole unit rather than putting in different parts. Two months later i talked to the tech. Rep. Again and he mentioned that the engineering group had determined the problem to be interferences in the spider gear assembly in the front differential, they were trying to correct the condition with thrust washer shims and other things. They claimed that the problem was not a safety factor; i wonder though what would happen if the front end were to freeze-up since its in 4wd all the time! I have presented my claim to the toyota customer support group. I have called them regularly once a month and have had no success at finding what their schedule is for the fix, --only to say we are working on it and your dealer will notify you. ive since heard from my dealer staff that they have a number of lexus gx470's as well as 2004s 4-runners involved. Im beginning to feel that they have so many vehicles involved it might be a long time before we see a fix! I haul a pop-up trailer and does it magnify the problem! *ak
Vehicle Mileage at Failure	500
Number of Occurences	1
Source of the issue	NHTSA WEB SITE
City and State	SEDONA, AZ
VIN pattern	JTEBT17R930XXXXXX
Was vehicle invloved in a crash?	N
Was vehicle involved in a fire?	N
Was incedent reported to police?	N
Was medical attention required?
Was part original equipment?
No. of injured persons	0
No. of fatalities	0
Date of purchase	17/06/03
Was original owner?	N
Anti-lock brakes	Y
Cruise control	Y
Number of cylinders	8
Drive train type	AWD
Transmission type	AUTO
Vehicle speed	62
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	BOB SELLERS
Dealer's telephone number	928 779 2445
Dealer's city	FLAGSTAFF
Dealer's state code	AZ
Dealer's ZIP code	86004

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:

KNCWCX712T5005155 WVWZZZAWZPU096116 00000005020DR8718 WDC0G0FBXHF158725 VF7SCHMZ6GW620039 3C4PDDGG1ET312691 JMZGY19F671450451 SALLAAAF5FA731308 55SWF4KB7FU019507 LVGDA46A7BG104109 ZDM1HC3NXVB025188 W0L0ABL4892134742

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2003 Toyota 4 RUNNER Power Train Driveline Differential Unit Problems, Complaints and Defects, Recalls and Failures

2003 Toyota 4 RUNNER Power Train Driveline Differential Unit Problems, Complaints and Defects

What is Recall?

What is Failure?

What is Defect?