Notes: The 2005-2007 Xterra 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.

The same defect exists in the Pathfinder & Frontier as well. And according to the New York Times & a class action lawsuit, the defect actually extends through 2010 model year. More info here.


hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
261,206 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.

2007 Nissan Xterra cooling system problems

cooling system problem

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2007 Nissan Xterra Owner Comments

problem #6

Nov 212017


  • 126,000 miles


The contact owns a 2007 Nissan Xterra. While driving various speeds, the contact experienced a bumpy ride. In addition, the vehicle would decelerate, the odometer would decrease, and the vehicle stalled. There were no warning indicators illuminated. The failure occurred three separate times. An independent mechanic diagnosed that transmission fluid was leaking into the radiator. The vehicle was not repaired. The manufacturer and the dealer were not contacted. The failure mileage was 126,000.

- Frankfort, KY, USA

problem #5

Nov 202015


  • 84,000 miles
The contact owns a 2007 Nissan Xterra. The contact stated that while driving at approximately 40 mph, the vehicle shook violently without warning. The failure recurred numerous times. The vehicle was taken to a dealer where it was diagnosed that the transmission fluid mixed with the antifreeze and the radiator failed and needed to be replaced. The vehicle was not repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 84,000.

- Lunenburg, MA, USA

problem #4

Apr 162015


  • 127,000 miles
The contact owns a 2007 Nissan Xterra. While driving 40 mph, the vehicle hesitated when the accelerator pedal was depressed and the check engine warning light illuminated. The vehicle was taken to a dealer who diagnosed that the radiator and transmission needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was 127,000.

- San Diego , CA, USA

problem #3

Jul 222013

Xterra 6-cyl

  • 968,940 miles


I was driving my car and it shifted into 4 wheel drive at a red light with no prompting. The car then was immediately pulled over and turned off. The car would not start following it being turned off. It was then towed to a mechanic shop where they discovered that the radiator had leaked fluid into the transmission, causing the coolant to mix with the transmission fluid and completely disabling the car.

- Vestavia , AL, USA

problem #2

Jun 062011

Xterra 6-cyl

  • 130,649 miles
Nissan unsafe failure parts transmission and radiators hi my name is [xxx] my story begins as a happy one, but soon turns out to be my worst nightmare back in November 2007. I bought my first car a 2007 Nissan Xterra from avondale Nissan brand new which is now paid off. It was a very nice vehicle, had really small issues with normal wear and tear and normal maintenance which I kept up on myself. Right now IM attending asu for premed and I need my vehicle to get to school. The issue started when I was driving on the highway, all of sudden I heard a noise and the back end shuddered as if I was driving over rumble strips. I took it in on my next oil change to discover that the transmission fluid had leaked into the coolant, then I had the radiator replaced, then a couple months later my engine light came on and the same issue which I was previously having with the my transmission fluid leaking into the coolant began again. In addition to that incident, I was told from numerous dealerships including Nissan that the radiator was damaged and now the transmission was also damage. I then started googling the problem and to my surprise to find out that so many other Nissan owners were experiencing the same problem. This horrified me when I went to the dealership where I purchased it new in 2007. The service advisor in the service department told me this is a terrible problem because Nissan is aware of this horrible design flaw on Nissan's part and theyre not doing anything to help their customers, he said that Nissan is not going to do a recall at all its just a defect. He also stated that to fix the transmission and get another radiator would cost $500 for the radiator and $5155 for transmission not including tax or labor. I will never in my life ever buy a Nissan again nor would I recommend someone to purchase it! IM not getting any answers from them they are fully aware of this unsafe defect. Information redacted pursuant to the Freedom Of Information Act (FOIA), 5 U.S.C. 552(B)(6).

- Avondale, AZ, USA

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problem #1

Jun 072011

Xterra 6-cyl

  • 130,649 miles
Transmission and radiator failure making it unsafe to drive, Nissan company is well aware of these issues and refuse to do a recall and refuse to let their customers to be aware of the issue. As for me I am pre-med and I need my vehicle to get to school and work I as caregiver for an elderly man and woman so not a very much of an income so I depend on my car about a month ago I was driving on the highway when I heard a noise at the back end shuddered as if I was driving over rumble strips I took it in on my next oil change.

- Avondale, AZ, USA

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