fairly significant
Typical Repair Cost:
Average Mileage:
117,000 miles
Total Complaints:
1 complaints

Most common solutions:

  1. radiator flush with coolant bypass (1 reports)
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problem #1

Oct 252017

Xterra S V6

  • Automatic transmission
  • 117,000 miles

click to see larger images

oil in coolant system oil in coolant system

I am the original owner of a 2006 Nissan Xterra.

On Oct. 25, 2017 I took my Xterra in to be serviced as a preventative measure since I was recently informed of a radiator/transmission problem with the Xterra, Pathfinder and Frontier models 2005-2010. After speaking with my neighbor who also has a 2006 Xterra and replaced his radiator; I decided to have my radiator replaced as well (even though I experienced no problems with it) just so I could prevent any infusion of coolant into the transmission.

Much to my surprise Nick called me with the bad news that damage was already done & would cost $6,800 to replace the radiator, transmission and fluids. This also included labor costs. Being fearful of a potential problem I did not want to wait 2 weeks for both the arrival of a new transmission & the mechanics return from vacation; I chose to take the vehicle to another shop.

At shop #2 the mechanic informed me there was nothing wrong with the transmission and could not see what the mechanic at Nissan (Greg) claimed to have found; e.g. leakage of coolant and lots of rust in the transmission and on the fluid stick. He did however, find a petroleum based substance in the radiator and was his opinion that oil was placed in the coolant.

Upon having the radiator flushed, replacing the thermostat & radiator cap (due to damage of the rubber seals from the oil) the cost was $677.84 with labor included; an expense I should never have had to endure.

On Nov. 8, 2017 I spoke with MGR and shared the findings of the 2nd mechanic. In a nutshell he basically told me he could not help me and stood by his mechanic’s findings. He went on to say “Sorry for your loss” and “If the vehicle was running good at this time he recommended that I sell it”.

I have always trusted Nissan to provide excellent care and stand by their products. I have had my vehicle serviced only with Nissan for the past 11 yrs; with Montrose Nissan for the past 7 years. I am sorry to say “they have certainly dropped the ball this time” and me being the loyal compliant customer will not be returning from this point on.

- lerupecho, Montrose, US