Transmission Fluid Leaking problems of the 2006 Nissan Frontier

Tl the contact owns a 2006 Nissan Frontier. The contact stated that while at a stop light, the vehicle failed to accelerate upon depressing the accelerator pedal, without warning. The vehicle was driven slowly to the residence. The contact discovered that radiator fluid had leaked into her transmission which had caused the transmission to fail. The contact then towed the vehicle to an independent mechanic who confirmed the failure. The manufacturer had been notified of the failure and informed her that her vehicle was no longer under warranty. There were also no recalls on her vehicle in relation to the failure. The dealer was not informed of the failure. The vehicle was repaired by the same independent mechanic. The failure mileage was 105,000.

Tl the contact owns a 2006 Nissan Frontier. While driving approximately 30 mph, the rpms increased to 4,000. When the vehicle was placed into reverse, the gear went into neutral. When the vehicle was shifted into drive, it went into low gear without warning. The vehicle was taken to an independent mechanic who diagnosed that the radiator fluid leaked into the transmission, and the radiator and the transmission needed to be replaced. The vehicle was not repaired. The dealer and manufacturer were not made aware of the failure. The failure mileage was 129,000.

On 2/2/2019, I took my vehicle to aamco transmissions to have my transmission checked, because prior to this date I was experiencing alot of jerking and other issues, especially on the highway. After aamco techs looked over my transmission, I was contacted & informed that I had a defective radiator that had contaminated my transmission, due to the radiator leaking coolant into my transmission. I was also informed that Nissan had a lawsuit regarding this very problem, which I was in shock, since no one had ever advised me through mail, email, or even word of mouth. My Frontier is a 2006, but I purchased the vehicle in may of 2007, & on 2/2/2019, my Frontier only had 80,034 miles on it. I'm disabled, & I need my vehicle for doctor appts, & for my two children as well. The most frustrating part of it all is, I take my Frontier to the local Nissan to have them do the oil changes & tire rotations whenever its due, & they always check all of my fluids at the same time. In addition, this issue arouse in 2006 before I purchased the Frontier, but nothing was ever conveyed to me about any issues with this particular year or model. Since there were 3-4 models affected between 2005 thru 2010. I had aamco replace the radiator & transmission, which cost me $4,000. 00, & my Frontier only had 80,000 miles on it, I've never heard or even experienced such an issue, especially with such low mileage before! I even reached out to Nissan corporate office, but they did not feel responsible for the $1,500. 00, which they are because they are the ones that put defective radiators into their products, but did not send out any notifications about this potential problem that a owner could have. My family or myself could've easily been hurt because of their negligence in not notifying consumers/owners. Do they not care about their customers, or is it just about the all mighty dollar!!.

I own a 2006 Nissan Frontier and after doing research I found the article about several recalls for 2005-2010 models. The persons involved reported the same symptoms we are experiencing such as transmission fluid leaking into the radiator coolant spontaneously and now transmission failure while towing a pop up camper that is 3200 lbs which is within the towing range reportedlyfor this vehicle. I got an extended warranty and they report they will only cover up to $1900 and my mechanic states the total costs are $4800. I am very concerned my vehicle is doing the same. Can anyone help us?.

I have a apparently common problem which is radiator transmission cross contamination apparently with Nissan Frontiers and xterras from about 05-2010 and the problem is they used a radiator with a built in transmission cooler but there's a seal or area where it fails and the two fluids mix resulting in a strawberry milkshake appearance and when this happens the transmission will likely fail at any point I've personally had problems that were intermittent over the last few weeks with trouble shifting and a shuddering/rumbling which occurs while driving in all weather and road conditions plus is very noticeable while going from a stop to start moving turns out to be radiator fluid leaking into the transmission my truck has 99,000 miles on it and has started having problems just now which according to other accounts on multiple forums about this particular problem is a little later than most but I have a short commute to work and have another car I use. So perhaps it was that. But the issues are getting worse and it's a shame that the company knew of the problem and did nothing to remedy it. Especially as it affects many years and models of cars.

Transmission failure caused by leaking fluid cooler in radiator at 114000 miles. 8000 dollar repair estimate is over trade in cost of vehicle. This caused truck to stall on freeway, endangering occupants.

According to the mechanic, the transmission coolant reservoir (which is connected to the radiator) collapsed causing water, antifreeze and transmission fluid to mix. These fluids then made their way into the radiator, transmission and coolant reservoir. This, in turn, caused extensive damage to my transmission. My transmission then required replacement/rebuild. The first possible sign of the problem was rough automatic shifting of the vehicle. I then noticed a leak of transmission fluid from the front passenger side of the vehicle (which was parked in my driveway). This was followed by a loss of power/drivability.

Tl- the contact owns a 2006 Nissan Frontier. The contact stated that the vehicle shifted out of gear independently which resulted into deceleration of the vehicle and stalled. During the failure the check engine soon light illuminated. The vehicle was taken to an independent mechanic where it was diagnosed that the vehicle's radiator coolant tank had leaked fluid onto the transmission and they needed to be replaced. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 154,000. Kh.

Radiator coolant is leaking into the transmission fluid and causing it to overheat.

Known quality defect of Nissan trucks in which radiator fluid leaks into transmission eventually causing complete failure of transmission and vehicle operation. This failure can happen at anytime and can effect all Nissan trucks made during this timeframe.

I was informed that there was a cracked radiator in my truck that was leaking fluids into my transmission. This was on Sunday 9/27/15. The employee of my local dealership informed me about this. The following I was informed by the service department that I would need to replace the radiator and transmission. I was told that this was an "ongoing" issue going on with vehicles that match my make and model.

Radiator has a crack internally and is leaking fluid in to the transmission. Cost is $3000 to fix.

The contact owns a 2006 Nissan Frontier. The contact stated that while attempting to shift into reverse, the vehicle failed to respond without warning. The vehicle was taken to a private mechanic where it was advised that the radiator fluid was leaking into the transmission. As a result, the radiator and the power transmission needed to be replaced. The manufacturer was not notified of the failure. The vehicle was not repaired. The approximate failure and current mileage was 106,000. The VIN was not available.

I was driving on a major highway when all of a sudden the automatic transmission downshifted into second gear. The Frontier immediately slowed down. I was driving in front of a tractor trailer and just missed getting rear ended. I've since found out that Nissan has been aware of the radiator leaking and cross contaminating with the transmission fluid and blowing out the transmission. This is a dangerous situation with these vechiles involved and Nissan shoud be responsible for correcting their defect regardless of vechile mileage. This vechile needs to be recalled and fixed.

When driving, a "rumbling" noise would come and go and a "whining" noise while accelerating. The rumbling noise was not consistent but would sound like a was driving on the side of the round. It would usually appear around 40-60 mph when I would let off the gas and "coast" and try to press the gas again. I did not know there was a "warranty extension". I was not notified. Took the truck into the shop only to find out my transmission was going out due to the fact I have radiator coolant (antifreeze) in my transmission fluid; (over a gallon) cause by a factory defect. Something to do with a transmission piece going through the radiator and leaking. Mileage for my truck is right at 99,800. Barely made the 100,000 miles 3000 dollar so-called Nissan warranty extension. .

The contact owns a 2006 Nissan Frontier. The contact stated that while driving 55 mph, the transmission slipped. The vehicle was taken to the dealer for diagnosis where it was stated that the transmission fluid leaked into the radiator and the transmission would need to be replaced. The vehicle was not repaired and the manufacturer was notified. The VIN was not available. The approximate failure mileage was 60,000.

I purchased the vehicle used with roughly 92,700 miles from a reputable, local, high volume dealer. Within a week of owning the vehicle I felt a "shudder," as if driving over a rumble strip on the side of the road, while cruising at approximately 55 mph in top gear on the highway. Felt the same sensation one week later and again approximately one month ago. These "shudders" were few and far between but consistent in feeling and duration, only lasting a second or so. While doing an oil change and fluid check on 2-7-2013 and approximately 94,700 miles, I found the coolant in my radiator and overflow tank to be a pink, even bordering on purple, in color and about the same consistency as heavy whipping cream you would purchase from the grocery store. I immediately arranged for the vehicle to be diagnosed at the dealership of purchase the next morning and the three year extended power train warranty dictated such. The service shop's diagnosis confirmed the research I had found linking the discrepant coolant in my radiator to be from a defective transmission cooler line/coil inside the bottom of the radiator that was leaking transmission fluid into my radiator. Thus, not recirculating the proper amount of transmission fluid, if at all, back into my transmission causing it to fail and was "shuddering" as a side effect. The service department has told me that because my vehicle was past the 80,000 mile mark at the time of the incident, Nissan would require a $3,000 deductible to replace the transmission, transmission cooler lines, and the radiator. As I research further I see this problem is not isolated but quite common. It is also painfully apparent that Nissan is very much aware of this issue as well. As a proud owner of a 1985 Nissan 720 pickup truck and staunch supporter of Nissan products, this situation is disappointing at best and unethical at worst.

The transmission has been compromised due to a faulty radiator. The radiator leaked coolant into the transmission contaminating the transmission fluid. I noticed the vehicle would occasionally shudder and when I had it checked out discovered the problem. Hard to believe Nissan did practically nothing to notify owners of the problem because it sure was evident that the local Nissan dealership was aware of the problem as well as a couple of transmission shops I've visited.

Tl- the contact owns a 2006 Nissan Frontier. The contact stated that while stopped at a traffic stop, the contact depressed the accelerator pedal but the vehicle would not respond. The vehicle was taken to the dealer for diagnosis. The technician stated the transmission would have to be replaced because radiator fluid was leaking into the transmission. The manufacturer was made aware of the failure. The vehicle was not repaired. The VIN was not available. The approximate failure mileage was 91,000. Kmj.

My Nissan was having issues so I took it to my mechanic. He informed me that Nissan was having an issue with a part that wore out and leaked coolant into transmission and transmission fluid into the radiator. I called my local dealership to see if it was recalled. They informed me I was a few thousand miles over my warranty and they could do nothing. I then saw the multitude of complaints about this issue and the dealership said Nissan paid for some vehicles out of warranty. That alone proves they knew about this issue. I paid for a new radiator ($600) and hoped for the best with my transmission. I am in the navy so I can't afford to replace the transmission. Now my luck has run out and I can no longer drive my vehicle. I have a 3 month old at home and need to have two cars for my wife. This is an issue Nissan knows about and it is due to a faulty part they installed. It could have been fixed ahead of time and solved a lot of issues. When is there going to be a recall? people are getting stranded and nisan and the government knows. Does someone need to die for you to notice and act? it would seem that people being stranded and spending thousands of dollars because of a manufacturing defect is not enough. I need to know if I have to go try to buy another car or wait and hope my government protects us.

I was driving on the highway when I feel some vibration, did not pay attention until I got off the highway when the transmission slipped, I thought that fluid may be low, but when I checked I found that fluid was discolored. I took it to the mechanic and he told me that this was a problem with the radiator leaking in transmission, and that he had some other Nissan trucks same year with same problem. He suggested to replaced radiator and flush transmission, it cost me $600. 00, but now my transmission is getting worse everyday and worse of all is that I am still paying for this truck that probably is going to break down any moment. I read some of the complaints about this particular vehicle and scared me just to know that I will have to pay for a transmission repair plus continue to pay for the loan of this truck. And Nissan seems like is doing nothing about this problem. Please send me any notification about a recall, I would really appreciate it.

The contact owns a 2006 Nissan Frontier. The contact stated that radiator fluid was leaking into the transmission and causing the transmission to seize. The vehicle had become inoperable as a result of the failure. The vehicle was towed to the dealer for diagnostic testing. The test results advised that the transmission was defective and would need replacing. The vehicle was not repaired. The failure mileage was 92,000. The VIN was unavailable. Updated 06/21/lj.

Tl- the contact owns a 2006 Nissan Frontier. The contact stated that the front end of the vehicle started vibrating. The contact took the vehicle to the dealer and was told that the lines for the transmission and radiator fluid leaked and caused cross contamination in the transmission. The mechanic suggested they cut the line for the transmission fluid and have it go directly to the transmission fluid cooler. That then caused the rear of the vehicle to vibrate. The contact stated that the transmission would need to be replaced. The failure mileage was 96,000 and the current mileage was 102,000. Rl.

The contact owns a 2006 Nissan Frontier. The contact stated that while driving, the engine warning light illuminated. The vehicle was taken to the dealer. The dealer inspected the vehicle and found the radiator cracked and the radiator fluid had leaked into the transmission, causing the transmission to fail. The manufacturer was made aware of the failure. The vehicle was not repaired. The failure and the current mileage was 124,000.

The vehicle was experiencing problems shifting into overdrive, then once in overdrive, I was losing the capability to accelerate on the highway and other areas of speeds greater than 40 mph. I noticed transmission fluid leaking from the transmission and took it to an auto repair shop. I was informed that the transmission cooler had failed completely allowing radiator fluid to mix into the transmission fluid causing damage to the transmission. The repair for a new radiator and installation, as well as a rigorous flushing of the transmission cost $599. 00. I am currently, as of this day, in need of a new, used, or rebuilt transmission because of damage caused by the failure of the transmission cooler within the radiator.

The contact owns a 2006 Nissan Frontier. The contact stated that while driving approximately 35 mph, the transmission began to slip and hesitate when shifting gears. In addition, the vehicle decelerated and vibrated. The vehicle was not taken to the dealer for diagnostics. The contact believed that there may be radiator fluid leaking into the transmission. The vehicle was not repaired. The approximate failure mileage was 78,000. Updated 09/21/11 updated 09/30/11.

Radiator leaking fluid into transmission causing transmission to work improperly and causing vehicle to jerk and become unsafe. Took to dealer in August 2010 and dealer said there was no problem. I do have service record stating this. Took back to dealer as problem persisted and now dealer says I need a new transmission that, of course is no longer covered by any warranty. Nissan was aware of this problem and issued a service bulletin to replace radiators, but did not notify owners. Also, dealer and company will not give me answer to problem even though I have asked repeatedly. Please help.

The contact owns a 2006 Nissan Frontier. The contact stated that while driving approximately 35 mph, there was a sudden loss of power steering without warning. In addition, the contact stated that the fuel gauge failed to display accurate fuel levels. The vehicle was taken to a dealer where it was advised that the fuel level sending unit inside the fuel tank needed to be replaced. Also, the vehicle was taken to a private mechanic where it was advised that the radiator fluid was leaking into the transmission. As a result, the radiator, the power transmission, and steering shaft needed to be replaced. The manufacturer was notified of the failure and stated that the vehicle was not included in NHTSA campaign number: 10v075000(fuel system, gasoline). The vehicle was not repaired. The approximate failure mileage was 42,000 and the current mileage was 102,000.

I bought the truck from a private party. As it was not registered, I have not tried. I subsequently overview, that the transmission was not normal. I looked at the worst default of the Frontier on the internet and I find that everyone has a problem radiator crack leaked into transmission fluid. I have been to the garage. They said there was coolant in the oil transmission. I had to replace the transmission and radiator coolant radiator bypass. It cost me $ 2,408 cad.