Automatic Transmission Cooler Problems of Nissan Pathfinder - part 1

Transmission failure due to antifreeze coolant cross connection into transmission fluid cooling system. Cost to repair $4,700. 00. 2008 Nissan Pathfinder se 4. 0 4wd. Transmission failed while traveling a 4 lane divided state and federal highway moving straight. 03/08/2020.

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I am having transmission issues. I brought my car in they said I need to replace the hoses on vehicle. Now that that has been done they are telling me I am still having a transmission leak. Because of bad clamps. They have now told me they cannot replace just clamps and must replace radiator also. I have found that Nissan has a recall power train automatic transmission cooling unit and lines on 2013 Pathfinders. When I asked about the recall they said mine doesnt qualify. . . . Even though same issue as other 2013 Pathfinders with recall.

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My 2015 Nissan Pathfinder was purchased in Nov. 2018. It's been in the Nissan shop numerous times since Nov. We have issues with the transmission studdering/delayed acceleration. It cant be reproduced on demand so it's hard to diagnose. You have to let off the gas before it will go properly. Also, the cooling fan assembly has been replaced twice within 1 month with new parts . This 3rd time one of the fans will not continue to blow. I've read online that these 2 issues are very common with this vehicle. Disappointed doesn't even describe what I feel about this vehicle and having a dealership like gray daniels Ford in ms treat us the way they have does not help with the issues.

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I bought a brand new 2013 Nissan Pathfinder in March of 2013. Within 6 months I noticed there was jerking with the transmission. I took it back to preston Nissan in maryland and was told they had received a bulletin and the transmission needed to be reprogrammed. They reprogrammed the transmission and it helped a little but a few months later it was doing the same thing. I took it back to preston Nissan. There I was told that they could not duplicate the problem and that they would reprogram it again. It did not help. I could not afford to keep taking it back, because they charge me every time to keep telling me there was nothing wrong. My car began to not accelerate when I was making a turn or when I was accelerating in traffic. We took it back to preston and we were told that they had put a device in to monitor the transmission as well as reprogrammed it again. My car continued to judder and shake and fail to accelerate. There was a class action lawsuit filed and Nissan extended the warranties to 84,000 miles. My car is now at 87,000 and a Nissan dealership in michigan is now stating that it needs a new transmission and a cooling fan. Nissan corporate office is now telling me that they will pay 90% of the fan and only 50% of the transmission. I bought the extended warranty when I purchased the car. The transmission is not the only thing wrong with this car. It has been one thing after the other. Door lock motor, visor, hood release, trunk latch, brake lights remain on when car is off, airbag indicator. . . The list goes on and on.

I am having issues with the car slipping gears. I took it to a reputable transmission repair shop where I was informed there is a "crack" in the cooling part of my radiator and my radiator and transmission and both need replaced. Also that the radiator fluid and the transmission fluid are mixed together.

I bought the car from a used car dealership with 109,000 miles on it. Not even a month after buying it, the intercooler line cracked causing the transmission fluid and coolant to mix. This completely destroyed my radiator, which I had to replace, along with flushing the entire cooling system. It also caused my transmission to fail. To repair my car will cost me about $5,000. I went to Nissan about this and was told they could not help me because the car has over 100,000 miles on it. I was able to temporarily fix it, but now my transmission is completely junk and I can't afford to fix it or give it back to the bank. All of these issues occurred while I was driving the vehicle.

2008 Nissan Pathfinder. Transmission failed due to radiator failure which caused contamination of the cooling and transmission fluids. Engine overheated due to contamination. Entire cooling system had to be flushed several times after repairs. Repairs were over $4000. Nissan refused to address issue because of pending class action suit. I wish to be added to class action process to recoup expenses.

Check engine light came on and truck wouldn't shift into overdrive. Pull code p0717 indicating the transmission sensor or computer was out. Took to shop and they said the transmission cooling line in the radiator cracked, the transmission fluid was then mixed with antifreeze, and it fouled the transmission parts and knock out the computer. Transmission had to be replace and the shop noted that Nissan wouldn't warranty the transmission without replacing the radiator, which they knew had to be done anyway. They said they've seen sooo many of these it's ridiculous. $4,225. 43 repair that could have been avoided if we'd just known to replace the $200 radiator.

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The contact owns a 2006 Nissan Pathfinder. While driving approximately 60 mph, the vehicle lost power without warning. The vehicle was coasted to the side of the road and towed to a local dealer who diagnosed a transmission failure due to a radiator leak. The dealer completely rebuilt the transmission. The failure recurred. The vehicle was towed to another dealer where it was diagnosed that the rebuilt transmission caused an "inter cooler failure". The manufacturer was made aware of the failure and stated that it was not the manufacturer's problem. The contact was referred back to the dealer that installed the rebuilt transmission. The dealer stated that the manufacturer was aware of the rebuilt transmission and referred the contact back to the manufacturer. The manufacturer stated that nothing could be done. The contact received notification of NHTSA campaign number: 10v517000 (engine and engine cooling). The failure mileage was 168,000.

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Engine coolant leaked into transmission destroying transmission and radiator requiring replacement of transmission and cooling system. Vehicle odometer is at 115,000. Estimated repair is $3000-4800+.

On my 2008 Nissan Pathfinder, which is only 8 years old, I have repaired my transmission due to an atf contamination via the cooling system around 95,000 miles. I purchased the vehicle at 90,000 miles used. This affected my speed control and all related systems. The radiator was replaced also due to the contamination. This has affected my cooling and heating system and all related systems. This cost my extended warranty company around $2,900+ (glad I was Smart enough to purchase this warranty), however it cost me my deductible of $200. 00. On February 12, 2016 I dropped my Nissan off for a follow-up repair to replace the entire timing chain assembly after going in for a simple alignment earlier (which was a waste of money because you have to purchase a camper kit in order for your alignment to be 100%, $249. 00 out-of-pocket). This caused me to have to buy a brand new set of tires out-of-pocket which came with a free alignment as a special, otherwise I would've re-payed for another alignment. Headquarters Nissan of columbus,GA never informed me of the timing chain issues with these suvs! this resulted in performance issues. Again my extended warranty will pay around $1,800 to Nissan for the repairs and me a $200. 00 deductible. I have run out of gas in the middle of traffic on the highway in atlanta,GA during rush hour before because my gas gauge or indicator or something doesn't read or is inaccurate. I also hear noise from the tires or something when I roll over speed bumps, accelerate or bank left or right with bad, hard steering. The cooling and heating system has not blown air at times and sometimes I have to depress the gas petal while idling to heat up air that has gone cold. When the a/c does this I turn off the a/c and let the windows down, pressing the gas petal does not work. Nissan says they can't find a problem with this system when diagnosing vehicle?!.

The contact owns a 2005 Nissan Pathfinder. While driving 40 mph, there was an abnormal vibration to the vehicle. The contact stated that the accelerator pedal was depressed and the vehicle stalled. The vehicle was taken to the dealer where it was diagnosed that the radiator fluid leaked into the transmission. The contact was informed that the radiator, transmission, and transmission cooling lines needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was 92,000. The VIN was not available.

See all problems of the 2005 Nissan Pathfinder 🔎.

Transmission cooling system runs through the radiator. Faulty design/construction lead to failure, resulting in cooling fluids in the transmission, and transmission fluid in the radiator. Occurred at 110k miles but Nissan will not acknowledge & repairs are $5770. Began with vehicle not shifting properly and then not getting out of first gear. Turned around & drove the 1/2 mile back home to discover viscus emulsion in radiator reservoir. Investigated & discovered this is a common problem on Nissan Pathfinders.

After receiving a complimentary multi-point inspection from the local Nissan dealership, my wife told me that on the way home that the transmission seemed to not want to shift properly. Went to check transmission fluid and found that the dipstick is locked into place. Did some quick research to find out how to check fluid level and then found out about issue with Nissan Pathfinders radiators having a problem with leaking coolant into the transmission cooling system. Checked radiator and found frothing foam on the inside of the pressure cap indicating that the radiator had failed. Contacted dealership and asked them why the section of the inspection for the cooling system and transmission system were checked as "ok". Did not receive an answer. Also, we were never notified by Nissan about the issue with radiator in our Nissan. The vehicle is currently parked since the dealership said it would cost up to $3000 dollars in repairs under the agreement reached. I do not understand why this was not a recall. This situation could of caused a catastrophic failure of the transmission at speed while driving or catastrophic failure of the engine because of lack of cooling causing the engine to seize up at speed while driving.

Found out that my radiator had a failure and a transmission hose cracked inside the radiator and the transmission fluid all mixed up to invaded both the motor cooling system and the transmission. . Dont want to go in gear when turning and it make this rumbling nose when you driving it.

Brought my vehicle into the local Nissan dealership in 2013 for a basic service and oil change. The complaints about the radiator/transmission cooling system were well established. There was no documented information in the service visit file on my 2006 Pathfinder to show that an inspection for this known defect was done. This brings us today where my Pathfinder currently sits at the Nissan dealership in need of a new radiator and transmission. As a result of the defect, while driving my truck started to overheat and then the transmission dropped into 1st gear while going 50 mph. While in traffic with one of my children in the car, this caused the vehicle to rapidly decelerate. So now I have to decide to pay for this repair, that is done using the same parts with no guarantee it will not happen again. This is the third serious issue that I've had with this truck.

Catastrophic cooling/transmission failure. Traveling east on a heavily traveled single lane highway with no breakdown lane. Sudden noise from the engine compartment, sounding like liquids being expelled. Check engine light comes on. Engine temperature gauge pegs to high. Limped along the highway until I could reach a safe point to pull the overheating vehicle off road. Arranged for a tow and had the vehicle inspected. The inspection revealed failure of the radiator. After further inspection and with some research, it was discovered that Nissan has a known design flaw that contributes to the eventual failure, in a catastrophic event, of the cooling and transmission components. My vehicle was mixing engine coolant and transmission fluid together. The sudden failure of the radiator, expelled engine cooling and transmission fluid in a sudden and rapid event. This is a known and documented event that Nissan is fully aware of. A sudden failure of these components poses a safety risk for the owner, occupant, public and environment.

On Saturday, February 14, 2015, my 2006 Nissan Pathfinder started to shudder at 45-50 mph. After taking it to aamco transmission specialists, I was told that the radiator cooling fluid had leaked into the transmission and was causing it to fail. After researching this problem, I found that this is a known problem with Nissan transmissions and usually occurs after high mileage (100,000) and the warranty on the Pathfinders had been extended to 80,000 to 100,000 miles. However, my Pathfinder currently has over 120,000 miles on it so Nissan will probably not pay for any of the repairs. If this problem doesn't occur until after 100,000 miles, why didn't Nissan extend the warranty over 100,000? there are thousands of complaints on the internet from people who are in the same situation as I am right now and have spent $5,000+ to fix something that Nissan knows is defective on their suvs from 2005 to present.

Radiator fluid leaked into transmission due to poor design of the cooling system for the transmission. This issue cost $4200 to repair the transmission.

Transmission of my Nissan Pathfinder 2007 failed. The radiator spilled the cooling liquid into the transmission, which then proceeded to cause irrepairable damage to the transmission. Transmission replaced with a rebuilt transmission.

Transmission failure due to radiator coolant mixing with transmission oil: reading other similar complaints about 2005-2010 Pathfinder on carcompalints. Com, I am wondering if there is a $90 solution to bypass the original setup and have a separate radiator for transmission, why couldn't Nissan do it or atleast inform all owners about it so we could have avoided spending 4-5k on repairing something that is manufacturing design defect. I am in no way claiming to be a mechanic, but I am assuming other vehicles also have a similar setup, even other Nissan models. How come this is the problem only for Pathfinders? this is a design flaw and there should have been a recall instead of a class action lawsuit, but I guess our government is too busy looking out for special interest lobbyists. I am disgusted in Nissan's conduct and also the conduct of NHTSA & cas who did not do anything when there was class-action lawsuit to prove these were not isolated issue with a few vehicles, but a design flaw. . Read more...

Check engine light came on, and after bringing vehicle to Nissan dealership, they informed me that due to an internal radiator crack, that engine coolant had leaked into the transmission cooling coils and as a result transmission failure was imminent and that both the radiator and transmission would need to be replaced. Then they indicate that they had extended the original vehicle warranty due to the volume of such failures, and that they would make the necessary repairs for a meager $3,000 "copay". I laughed because I thought he was merely making a joke, but then found out that the joke was on the Nissan customers. Apparently as a result of a class action lawsuit settlement, Nissan had agreed to the warranty extension. What a slap in the face, to say that in lieu of recalling the defective radiator, and making a $500 repair, they decided to roll the dice with their reputation and their customer's wallet on a potential $3,500 to $4,000 repair. What a moron business decision. The second joke came, when I inquired about the warranty on the repair, and they informed me that it was only 12 months or 12,000 miles. What a vote of confidence in their $3,000 repair (copay ??). So for a few bucks more, I can have an independent shop do the repair, and get a better warranty. Insult # 3 came when they offered up, that alternatively, they would discuss buyer assistance on a new Nissan vehicle. They probably heard me laughing in japan.

The transmission began to slip and the radiator fluid overflow cannister started to expel a purple liquid. Car was found to have a cracked transmission cooling tube in the base of the radiator and the antifreeze had mixed with the transmission fluid. Found out on line that this is a very common problem that Nissan refuses to acknowledge as a defect. Radiator replaced and cooling system flushed along with the required transmission flushing and fluid replacement. Repairs became very expensive. Only hope transmission doesn't fali next.

Without warning the radiator leaked coolant into the transmission cooling part of the radiator and caused an almost instant burning of the transmission failure that was found to be ruined before I could even safely stop and have it towed. The car lost temporarily lost power to the rear wheels and stranded me in a dangerous intersection where I was almost t-boned. There was no prior symptoms until the transmission failed. . . . .

I had the vehicle's tires replaced and within a few days there was a shudder like rumble strips. I took the Pathfinder back to have the tires looked at. Repair shop replaced the wheel bearings. The shudder still persisted. I talked to a friend who owns a transmission repair shop and he told me about the radiator leak/transmission problem. He said to check the engine coolant for milkiness and search online. The coolant is milky and after reading all the other complaints, my family is scared to use the Pathfinder. I think a recall should be issued because the transmission is failing because of failure of the cooling system not wear and tear. A failing transmission is more likely to cause an accident than a failing cooling system. Also, Nissan's extended warranty seems to end to early to be effective.

The contact owns a 2006 Nissan Pathfinder. The contact stated that while waiting at a traffic light, the vehicle started shaking violently and stalled. The contact mentioned that the check engine light was illuminated. The vehicle was inspected by a licensed mechanic, who diagnosed that the transmission fluid leaked into the radiator and water leaked into the transmission. The vehicle was not taken to the dealer. The contact referenced a recall under NHTSA campaign id 10v517000 (engine and engine cooling). The manufacturer was not notified of the failure. The approximate failure mileage was 124,000.

Nhtsa action number : dp12004nhtsa recall campaign number : n/a vehicle make / model: model year(s): Nissan / frontier 2005-2010 Nissan / Pathfinder 2005-2010 Nissan / xterra 2005-2010 manufacturer(s) : Nissan north America, inc. Component(s) : power train power train:automatic transmission power train:automatic transmission:control module (tcm, pcm) power train:automatic transmission:cooling unit and lines power train:automatic transmission:torque converter date investigation opened : June 11, 2012 date investigation closed : open.

While driving the truck normally, in the morning, I came to a stop at a stoplight. Once the light turned green I pressed the pedal to accelerate and the truck was slow to respond (as if it was in a higher gear to start) once it was up to about 20mph it drove decent enough. I came to another stop and it happened again, same as before, and the check engine light came on. I was stopping at a school to drop kids off and turned into a spot and turned off the truck. It would not turn back on when attempted. I checked the diagnostic codes and came up with u1000, u1001, p0717. I had to tow it away from the parking lot a couple days later. Once I was able to check the truck out, I found a substantial amount of transmission fluid (frothed) in the coolant. I read that this is due to the internal radiator transmission cooler failing and mixing the coolant with the transmission fluid. I also found that the reason for the truck not starting was that the 10a fuse for the a/t ecu blew. I have replaced the radiator, flushed the cooling system, and am about to take a sample of the transmission fluid to see if there is coolant in the transmission before I talk to a repair facility about repairing the transmission.

I request that the dot NHTSA investigate manufacturer defects in 2007 Nissan Pathfinders cooling system and transmission as unexpected failure relates to driver safety. My 2007 Pathfinder with 90,000 miles caused a major collision with a deer as the transmission began to fail. Driving home, at around 40mph, up a hill (engine under load @ 2,200-2,500 rpm) the whole car began suddenly to "shudder"- similar to the feeling/ sound of riding over highway rumble strips. This resulted in a loss of control over the speed of the vehicle and a noticeable distraction leaving me unprepared as a large buck ran out from the tree line attempting to cross the road- the buck did not make it across. As I have found in my research afterwards, there is a widely known manufacturer defect in which engine coolant mixes with transmission fluid. The resulting "goop" shreds the internal parts of the transmission rendering it (along with the radiator and components) completely useless. These vehicles are unsafe for the roadways as this problem occurs suddenly and unexpectedly without warning. I consider myself lucky for being alive- now, but since Nissan nor any other organization is willing to recall or replace this vehicle/ affected parts, I am stuck, forced to drive on the road being a hazard to others and myself.

Radiator cooler leaking water into transmission,and transmission oil into cooling system. Transmission stuck in 3 gear, engine overheating due to sludge inside radiator, a total disaster for a low income individual trying to make ends meet .

Faulty transmission cooler system - Nissan Pathfinder 2006 has faulty transmission cooling system that connects to radiator. Nissan product/design failed and created cross contamination of antifreeze & transmission fluid. This faulty product design poses serious safety risks to my family and others (just search on the internet & you'll see hundreds of complaints/claims & class action law suit). This issue can cause sudden stops and engine failure. My Pathfinder started running hot and that was first indication there was a problem. Mechanic said transmission fluid had leaked into the radiator and radiator fluid leaked into transmission. We had to replace the radiator, thermostat & flushed transmission 4 times (very expensive repair). This just happened and uncertain if transmission will cause problems and require replacement. We have kept regular maintenance and used extended life/synthetic products to help keep the engine & transmission well lubed. *note: we didn't qualify for Nissan recall & class action law suit due to mileage of vehicle. Based on Nissan's exclusion terms, we won't buy another Nissan product.

The radiator cracked and the transmission oil mixed with the cooling. This resulted in the damaging of the transmission and we had to replace the radiator.

The contact owns a 2005 Nissan Pathfinder. The contact stated that radiator fluid entered the transmission cooling reservoir, causing the transmission to fail. The vehicle was taken to an authorized mechanic where a diagnostic was performed. The manufacturer was not made aware of the failure. The vehicle was not repaired. The failure mileage was 85,000 and the current mileage was 86,200.

I was coming back from the store and was waiting at a red light when my light turn green I had trouble going I press the gas and it was like pulling then it king of jump and the service engine light came on. I had a shop check my car and sure thing it was the cooling/ transmission problem. I have not driven my car since I have no money to pay for the repair, yes I take it out to turn it on and move around my block, but is that fair its my family car we have not gone anywhere else because we do not fit in to our. Smaller cars I did receive the claim form for this problem but I did not had the problem then the claim expired June 7th 2013, right before my problem. Please help us.

Cracked radiator allowed coolant to leak into transmission so not knowing Nissan was having this problem we had a new radiator installed and the cooling system and transmission flushed out mileage at this time was 79290 now 4 months later the transmission is shot and need a new one mileage now 83158 since the mileage is above 80000 Nissan will not fix the car under there extended warranty and wants me to dole out 2500. 00$. If I would have known Nissan was having problems with there transmissions I would have taken my car to a Nissan authorized service center the first time.