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.


hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
103,441 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 Pathfinder engine problems

engine problem

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2007 Nissan Pathfinder Owner Comments (Page 5 of 5)

« Read the previous 20 complaints

problem #4

Apr 012012

Pathfinder 6-cyl

  • 100,000 miles


My Pathfinder recently started grinding into 4th gear around 40 mph and is now lurching forward (as if having a difficult time engaging in 1st gear) after bein stopped. After researching the problem, my issue exactly fits the description of scores of online complaints from Pathfinder owners of 2005-07 models who have come to find out that it is a manufacturers' defect of a coolant leaking into the transmission. When I called the Nissan North America customer service to inquire about these complaints and register my own, I was told that I would have to have a diagnostics test I order to register the complaint further. I was transferred to a local dealer who confirmed the research: If my transmission fluid was milky reddish in color (which it is), then radiator fluid had leaked into to transmission and it was likely ( from this service rep's experience) that it would need to be replaced at a cost of $3500-$8000. When I inquired about the prevalence of this problem at his dealership, he was well aware of the problem and issue but because of the percentage of cars affected that is known is small in comparison to the number sold in those years, a recall was unlikely. He also indicated that the mileage on my vehicle (107000) made it even more unlikely that Nissan would cover the repairs.

- Jackson, WI, USA

problem #3

Jun 012012

Pathfinder 6-cyl

  • 116,524 miles
The faulty seal that separates the anti-freeze and transmission fluid mixed and resulted in the transmission failing. This catastrophic failure that the manufacturer is admitting to but only giving partial remedy as it may not happen before 80,000 miles. I find myself along with many other customers who are footing the bill for the 8600 dollar repair in tough economic times. When buying a new vehicle it should last long enough to finish paying the car note without any major expenses. This issue needs to be addressed immediately as a recall so the consumer can be reimbursed for terrible engineering that any mechanic will tell you. Even the Nissan dealers know is a problem but will not take ownership. Is there any assistance as a consumer?

- Huntsville , AL, USA

problem #2

May 112012

Pathfinder 6-cyl

  • 89,600 miles
When driving down the road 4th gear did not engage at all. Had to get over to side of road and check engine light turned on. Had to drive it off road at 20/30 miles per hour in busy traffic. Have been informed that Nissan is aware of the problem but is not accepting any responsibility for not informing us of the problem that they knew about months ago.

- Littleton, CO, USA

problem #1

Apr 302012

Pathfinder 6-cyl

  • 88,000 miles
Car started shifting very rough and stalled in traffic. Very dangerous! found out from Nissan service center there is a defect in the radiator that causes the coolant to mix into the transmission. Both the radiator and transmission need to be replaced. Nissan extended the warranty on both parts to 80,000 miles (apparently Nissan knows there is a problem). Unfortunately, it affected my car at 88,000 miles. Now, Nissan is really giving me the run-around. My car has been in the Nissan service center for 2 days. They informed me today (May 11, 2012) they would make a determination by May 16th if they will "help pay" for the fix. The defective radiator should have been recalled! I should not have to pay for this fix. Someone is going to be killed or seriously injured due to this defect!!!!

- Kensington, MD, USA

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