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Transmission and drivetrainPart report

2005 Toyota 4RUNNER Transmission and drivetrain Problems

Complaints
25about this part
Share
6%of 425 total for the year
Median mileage
100,000miles
Trend
FallingComplaints filed in the last 3 full calendar years are at least 25% lower than in the 3 years before.

NHTSA recorded 25 complaints about the transmission and drivetrain of the 2005 Toyota 4RUNNER, 6% of the 425 complaints for this model year. Where a mileage was given, the median is 100,000 miles.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“The rear axle rusted so badly that it started flaking apart. The frame is rusted severely in the areas where the rear suspension components attach. The gas tank skid plate rusted until it began to fall off while driving down the road and all of the areas where it was bolted to the frame completely rusted out. The exhaust also rusted through behind the muffler causing it to fall off while driving down the road. There are holes in multiple areas of the frame. I had to grind,chip, and wire brush the frame with the vehicle on jack stands in order to repaint everything and keep my vehicle going. …”

NHTSA complaint #11141370, filed 2018-10, 100,000 miles

“In general, when I pull up to a stop I sometimes feel a clunk. Then, when I start again, it feels like the brake release is delayed with another clunk. There's a few lexus gx470 owners (same engine and drivetrain as 4runner) that are complaining at other sites. I've been told the two piece driveshaft gets air compressed inside, and when the compression leaks out, you get the clunk. Lexus is apparently fixing the problem.”

NHTSA complaint #10206146, filed 2007-10, 34,090 miles

“I am writing today to alert you to a potential accelerator problem with the 2005 Toyota 4runner SUV. In mid-december, my husband and I were driving on the highway when the car inexplicably accelerated, going from approximately 40 MPH to about 60 MPH within a matter of seconds. My husband, who has had professional driving instruction, put the car into neutral and was able to slow the car down, at which point the accelerator (which was moving towards the floor without a foot on it) popped back up and the brakes began working again. …”

NHTSA complaint #10306653, filed 2010-02, 83,000 miles

“I have a 2005 Toyota 4runner and it has a loud clunk in the drivetrain every time I stop.when it clunks it also lunges forward causing a few close calls I have addressed this issue with Toyota and they say it is a normal operating characteristic. The problem occurs in the 03-06 4runners,tacomas and lexus gx470 Toyota has a t.s.b on the lexus model only not the Toyota 4runners or tacomas which means at least to me that it is a defect!!! I have contacted the dealership and they say their is no TSB so they cant do anything I contacted Toyota and got no response. …”

NHTSA complaint #10360552, filed 2010-10, 125,000 miles

“2005 Toyota 4RUNNER sr5 was taken into a certified Toyota mechanic for inspection and the mechanic showed me the undercarriage of the vehicle, namely the frame and other associated parts. He warned that it would be difficult to perform maintenance on the vehicle if the frame is rotted through. The vehicle was put on a lift for inspection.”

NHTSA complaint #11180197, filed 2019-02, 228,000 miles

Related service bulletins

Transmission and drivetrain: other model years

YearComplaintsShare of year
2026343%
202523%
202326%
202213%
202113%
202013%
201946%
201835%
201713%
201667%
201545%
201411%
201313%
201164%
201053%
20091045%
20082728%
2007117%
2006308%
2005256%
2004365%
2003396%
20023315%
20013217%
2000429%
1999237%
1998125%
19972510%
199653%
1995148%
199435%
199336%
199248%
1991512%
19901418%
1988222%
1987240%

Other parts of the 2005 Toyota 4RUNNER

Body and structure
185 complaints
Suspension
77 complaints
Other or unknown
68 complaints
Brakes
32 complaints
Steering
29 complaints
Vehicle speed control
29 complaints
Visibility (wipers, defrost, mirrors)
26 complaints
Engine
21 complaints
Air bags
19 complaints
Tires
12 complaints
Engine cooling
10 complaints
Electrical system
9 complaints

← All problems reported for the 2005 Toyota 4RUNNER

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology