Huge win for car owners! All TSBs to be made public. The Center for Auto Safety just made the NHTSA (US Government) make public the full text of all TSBs from now on. They are the same organization that has petitioned the NHTSA & filed lawsuits to protect car owners over exploding gas tanks & other major safety issues. Whenever you drive in your car, you are safer thanks in part to a lot of work over the years by this small but very effective consumer advocacy group.

Please take a moment & say thank you by donating $5 or whatever you can to the Center for Auto Safety. Notes: The 2005-2007 Pathfinder appears to have a widespread defect where coolant leaks into the transmission, causing transmission failure around 90,000 miles. Repair costs are typically upwards of $3,500.

According to the New York Times & a class action lawsuit, the defect actually extends through 2010 model year. More info here.


really awful
Crashes / Fires:
5 / 4
Injuries / Deaths:
0 / 0
Average Mileage:
106,740 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2005 Nissan Pathfinder drivetrain problems

drivetrain problem

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2005 Nissan Pathfinder Owner Comments (Page 9 of 21)

« Read the previous 20 complaints

problem #259

Oct 282012

Pathfinder 6-cyl

  • 56,800 miles


My wife was driving to a road, for charity, while getting on the highway, the car would not go forward, the more you gave it gas the car took off like a rocket. I took the car out for a test ride, the same thing happen, at the stop sign the car would raveup.and take off like a.rocket. Took it to the dealership. The dealership told me it is going to cost a lot to fit this problem.

- Beverly, MA, USA

problem #258

Sep 302013


  • 80,000 miles
While driving on the highway in second gear the car started to violently shake and rumble in second gear. I constantly had to press harder on the gas to make it stop. While coming into town my coolant was so hot that it exploded out of the car and leaked everywhere.

- Shenandoah , PA, USA

problem #257

Oct 212013


  • 86,000 miles
Due to a design defect, I have radiator fluid leaking into and ruining my transmission. I learned that Nissan has recognized the problem and has extended the warranty. However, because the vehicle has above 80,000 miles I have a co-pay of $2,500. I find this unfair. This problem is not due to miles driven or operator error. This is a design defect and to require customers to pay thousands to fix Nissan's engineering problem is wrong. I feel I have been taken advantage of. Nissan should cover the full cost of the repair regardless of mileage because the problem results from a design flaw.

- South Pasadena, CA, USA

problem #256

Oct 172013


  • 95,000 miles


The contact owns a 2005 Nissan Pathfinder. The contact stated that while driving approximately 50 mph, the vehicle decelerated to 30 mph independently. The vehicle was taken to an independent mechanic where they informed the contact that the radiator and transmission would need to be replaced. The vehicle was currently being inspected by the dealer for a second opinion. The manufacturer was notified of the problem. The approximate failure mileage was 95,000.

- Denver, CO, USA

problem #255

Aug 012013

Pathfinder 6-cyl

  • 80,000 miles
I experienced transmission shifting problems between 50-60 mph. Local service center diagnosed it as a defective radiator which allowed radiator fluid to get into the transmission fluid. After talking to other Pathfinder owners and checking the internet apparently Nissan was aware of their defect and tried to keep it hidden resulting in a class action lawsuit which was settled. Unfortunately I am out $1,500 for repairs and there is no guarantee I won't be replacing my transmission soon! can you help?

- Madison, WI, USA

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problem #254

Oct 242013

Pathfinder 6-cyl

  • 95,937 miles
I reported a complete loss of motive power. The auto repair diagnosed the problem as a failed transmission fluid cooler located in the radiator assembly that allowed coolant to mix with and contaminate the automatic transmission fluid, resulting in damaged internal transmission components and a damaged internal transmission computer.

- Denver, CO, USA

problem #253

Sep 012013


  • 85,000 miles


The contact owns a 2005 Nissan Pathfinder. The contact stated that radiator fluid entered the transmission cooling reservoir, causing the transmission to fail. The vehicle was taken to an authorized mechanic where a diagnostic was performed. The manufacturer was not made aware of the failure. The vehicle was not repaired. The failure mileage was 85,000 and the current mileage was 86,200.

- Palmetto , FL, USA

problem #252

Oct 182013

Pathfinder 6-cyl

  • 115,000 miles
As I was driving on a motor way, the car just start shaking and stopped in the middle of the road without prior warning from the dashboard. A message "service soon" started display on the dashboard. This seems like a transmission failure. I couldn't move the car from that spot on the motor way. I had the car towed to the mechanic and he diagnose the car and couldn't find any fault on the car. I am scare to drive the car and the car is still at the auto mechanic shop not know what the problem.

- Bowie, MD, USA

problem #251

Oct 012010

Pathfinder 6-cyl

  • 229,247 miles
Spent $1067.22 on radiator and transmission repair on what later was recalled. Now they state I am not eligible because of mileage but logic would dictate that the high mileage cars would exhibit the problem first as mine did. Nissan admitted a problem with the recall and I experienced it and paid to have it repaired. Why would it not be covered? I submitted directly to Nissan with case number [xxx] information redacted pursuant to the Freedom Of Information Act (FOIA), 5 U.S.C. 552(B)(6).

- Carmel, IN, USA

problem #250

Oct 122013

Pathfinder 6-cyl

  • 102,600 miles
Failed transmission fluid cooler located in the radiator assembly that allowed coolant to mix with and contaminate the automatic transmission fluid. The radiator had to be replaced, possible damage to transmission.

- Omaha, NE, USA

problem #249

Mar 172010

Pathfinder 6-cyl

  • 82,000 miles


I took my car to a Nissan dealership complaining about issues with the transmission slipping. I was told they found nothing wrong- however the Nissan technician was fully aware of the issues with the transmission radiator coolant and failed to inform me of the possible issue. Why not just replace the radiator before it causes the transmission to go bad. Finally the transmission failed at 130K miles and of course I am told that I am out of luck and $4200. I think it is really sad that Nissan offered extended warranties for customers under certain miles and left others out in the cold. If there was enough evidence to prove they were aware of the defect all along then customers should be able to have this repaired at no cost to them regardless of the number of miles on the vehicle.

- Charlotte, NC, USA

problem #248

Sep 232013

Pathfinder 6-cyl

  • 136,000 miles
Sudden jerking in the vehicle when traveling at highway speeds. The problem has been diagnosed as a failed transmission cooler which allows coolant to mix with the transmission fluid, causing internal damage to the components. Nothing happened before, but the transmission started slipping 5th gear and no going into it, now 4 and third finally just stopped moving... repair cost is going to be 6500$ at the Nissan dealership and they will not admit a known issue....

- Monroe, NC, USA

problem #247

Sep 012013


  • 62,880 miles
The contact owns a 2005 Nissan Pathfinder. The contact stated that while traveling approximately 65 mph, the vehicle suddenly lost acceleration power. The vehicle was taken to a private mechanic where it was found that the radiator and transmission needed to be replaced. The vehicle was not repaired. The manufacturer was contacted about the failure. The failure mileage was 62,880.

- Harrisburg, PA, USA

problem #246

Sep 282013

Pathfinder 6-cyl

  • miles
I was driving down a major highway and all of the sudden my SUV stalled. Check engine light popped up, took to a shop and mentioned that I need to replace the transmission valve body.

- Whittier , CA, USA

problem #245

Sep 082013

Pathfinder 6-cyl

  • 109,000 miles
My car would not start one morning so I had to call a tow truck to take it to my mechanic, he called me to tell me that the radiator was allowing moisture or water to go into the electrical part of the transmission and the transmission has completely fried. I got a quote of $4000 to $6000 to fix or rebuild it. He then told me there are thousands of articles online about the problem and that since my car was at 109,000 miles there was nothing Nissan would do about fixing it even though there was nothing I did to cause the problem!!! I still owe $8500, as I have only had the car for 2 years, and I sure can't go buy another car. I have 3 small children so now I have no car, can't afford another and Nissan will do nothing to help.

- Panama City, FL, USA

problem #244

May 312013

Pathfinder 6-cyl

  • 137,000 miles
I was did a click sound when changing shifts from 1 to second. I took the mechanic and I was told the transmission had leak some fluid damage because the radiator had a leakage. I changed the radiator and heater assembly hose that it was damage, too. To replace a re-build trans. I was told that I need 5K that I don't have it right now. But, sooner of later I have to replace it. I called my dealer and I was told that I'm in my own.because my car has 137K miles. I found out that there are more than a few owners with the same problem.

- Chicago , IL, USA

problem #243

Oct 012012


  • 40,000 miles
The contact owns a 2005 Nissan Pathfinder. The contact stated that the vehicle decelerated and jerked while driving at any speed. The vehicle was taken to the dealer several times. The dealer test drove the vehicle and was unable to duplicate the failure. The jerking and deceleration increased with greater force and the dealer re-inspected the vehicle, advising that the radiator fluid had penetrated the transmission. As a result, both the transmission and the radiator needed to be replaced. The vehicle was not repaired. The manufacturer was made aware of the failure. The approximate failure mileage was 40,000 and the current mileage was 57,800.

- Brooklyn, NY, USA

problem #242

Jun 092013


  • 57,450 miles
The contact owns a 2005 Nissan Pathfinder. The contact was driving 30 mph when the vehicle stalled and jerked as the accelerator pedal was depressed. The vehicle was coasted off the roadway until it was powered off. The vehicle was taken to the dealer where it was diagnosed a transmission mount. The manufacturer was notified of the incident. The approximate failure mileage was 57450.

- Philadelphia, PA, USA

problem #241

Aug 012013


  • 126,000 miles
Transmission problems - vehicle has been having problems shifting - then suddenly began to make loud noises - took to transmission shop - they found no problems with computer diagnostic - 2 weeks later the service engine light came on P1746 - went to drive to shop and couldn't make it - had to have it towed home. Transmission made loud grinding noises all of sudden and would not shift gears checked tranny fluid and everything else - do not understand why it went out - no prior problems or service engine light before this -- etc..went downhill fast - if I could have caught earlier or had some kind of warning from Nissan maybe we could have done something preventive - extremely upset after finding out online about 05 tranny problems - called Nissan - I have to pay out of pocket for costs - was never informed by Nissan or dealer about transmission radiator problems - not a mechanic so I don't speak to details about the transmission replaced radiator last year in October 2012 - still was not advised about potential impact to transmission my wife was driving - lucky she was not in heavy traffic or on freeway - could have been horrible accident - Nissan should honor - and fix - or either give us rebate on new vehicle for trade-in.

- Sahuarita, AZ, USA

problem #240

Aug 012013

Pathfinder 6-cyl

  • 93,224 miles
I was driving towards reno, nv and every time there is an uphill roadway the engine would rev up and the transmission shifts to another gear, I would feel a thumping sound and on every 3 to 6 miles of driving the vehicle would feel like it is running on an unpaved road. I took the vehicle to the dealership and that is when they informed me that my transmission fluid and engine coolant are mixing. Not to mention that my fsr is no longer functioning properly. It turned out that the fsr (fuel sensor relay) is not on the recall list unless it is a 2006 and up. I don't mind the fsr, because I can work on this but the coolant and tranny fluid mixture should be a recall since a lot of people are experiencing this issue.

- Union City, CA, USA

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