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2005 Nissan Pathfinder: Coolant Leaking Into Transmission: Needs A New Transmission!! What should we do?

Apparently, this is a common problem for Pathfinders, Frontiers, and Xterras with the 4.0 V6. The radiator's A/T cooler leaks antifreeze into the car's A/T fluid, and the resulting mixture basically destroys the transmission. Our car meets all of the criteria for this problem, including hesitation / momentary vibration when driving at high speeds, transmission fluid that resembles a burnt strawberry milkshake, etc. The pathfinder has 70k miles on it. We are no longer under warranty. if this is in fact the case, we will need a new radiator and transmission, which will cost over $6,000 :(

What should we do? are we better off fixing the car, or trading it in for something else? Where should we take the car besides the dealer? And what about a transmission rebuild for this car instead of a whole new replacement? Help.

8 Answers

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  • Anonymous
    10 years ago
    Favorite Answer

    regarding the radiator,fit a seperate oil cooler and keep old radiator with oil pipes blocked off

  • kuka
    Lv 4
    5 years ago

    2005 Nissan Pathfinder Transmission

  • 6 years ago

    This Site Might Help You.

    RE:

    2005 Nissan Pathfinder: Coolant Leaking Into Transmission: Needs A New Transmission!! What should we do?

    Apparently, this is a common problem for Pathfinders, Frontiers, and Xterras with the 4.0 V6. The radiator's A/T cooler leaks antifreeze into the car's A/T fluid, and the resulting mixture basically destroys the transmission. Our car meets all of the criteria for this problem, including...

    Source(s): 2005 nissan pathfinder coolant leaking transmission transmission do: https://shortly.im/YQW5m
  • 10 years ago

    Well if you trade it in the condition it is in you will get a lot less on the trade.

    However if you fix it then trade it you might recoup some of your money but not all, either way it sounds like a loosing proposition and I am sorry to hear you are having this trouble. Get a re-manufactured transmission and have a local shop do the work i bet you can get it done for way less than 6,000 bucks I would guess 3-4,000 might be a better number.

    You could keep it put in an external transmission cooler looks like a small radiator that mounts to the front of the actual radiator after it is repaired (I would do this) You can get an external aftermarket cooler for about 100 bucks at a local parts store then there is no more worry of antifreeze in the tranny fluid or vice versa.

    If it were me I would either fix it and keep it or cut losses and trade it for what I could get as is.

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  • 10 years ago

    If your car was in excellent condition, it would bring about $15,000 at retail if you sold it to an individual. If you trade it in, you get about 60% of that (around 9,000)if it's in excellent condition. With it needing $6,000 in repair work, you're now talking about a dealer giving you around $3,000 on trade for a new car. Since the dealer can repair it for less than $6,000, they may give you more in trade-in value, like $5,000 - $6,000 or so.

    You can pretty much decide from there what you want to do.

  • Anonymous
    5 years ago

    You should still be entitled to the repairs being replaced under warranty if you haven't done anything to void it. It's best to replace the radiator if it hasn't caused a problem and it's one of the faulty ones, you don't want to have an expensive transmission repair later on.

  • 10 years ago

    You're better off taking it to a privatized mechanic, they usually charge half of what a dealer will. You should get it looked at to see if it can even be rebuilt. If it cannot I would suggest getting the problem fixed. Trading in your car in, in the condition it is will drastically lower what you would normally get for it. Damaged goods always go for below what they should be worth.

  • Hung N
    Lv 5
    10 years ago

    Sorry, when you get a new transmission beside that u should have a new radiator.

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