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:
81,010 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 Xterra cooling system problems

cooling system problem

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2005 Nissan Xterra Owner Comments (Page 2 of 2)

« Read the previous 20 complaints

problem #3

Apr 042010


  • 69,706 miles


1. vibrations coming from rear of car at 35 mph. Vibration get worst when accelerating to 40 mph, shifts hard, RPM's increase then decrease(jumps all over the place). Occurs all the time. Faulty lines between coolant system and transmission. Coolant mixed with tranny fluid. Replaced, radiator, flushed engine, flushed tranny 2 times. Installed external transmission cooler and bypassed radiator, so this wont happen again, my have to replace transmission in future because of the damage done to it by the coolant mixing with tranny fluid. Out of pocket expense $1463.12 parts and labor at a local Nissan dealer. I was told that this is a common problem with Nissan 4X4 vehicles. This should be a recall. And if my transmission goes I feel that Nissan should replace it free of charge.

- Rochester, NY, USA

problem #2

Mar 012010


  • 81,000 miles
2005 thru 2007 nissa Xterras and pathfinders made in these model years have a defective radiator. The transmission line corrodes and coolant leaks into the transmission line and contaminates the transmission. Repairs have to made to the radiator, transmission and all associated lines.

- South Bend, IN, USA

problem #1

Jul 092009


  • 82,477 miles
Internal radiator failure that led to a transmission failure in the middle of the highway. I had the radiator replaced at a cost of $1,300 by the Nissan dealer where they assured me that the transmission was fine. A month later I paid $5,000 to aamco to have the entire transmission rebuilt. This has happened to countless 2005 pathfinders and Xterras. Nissan will not provide financial assistance or make a recall. Nissan needs to be held responsible!

- Westmisnter, CO, USA

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