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Halwg, I think you are in the habit of trading at or before 100K miles, aren't you? Just curious, as that makes a difference for those who keep their cars to extended mileage. I suspect most passenger cars are pretty well immune to ATF and gear oil changes under 100K miles.

Although modern lubricants are considerably superior to those of 20 or 30 years ago, one must always consider the factor that manufacturers may not have the same definition of "lifetime" that owners do. Gear oil or ATF that will last 100K miles under "normal service" can fail earlier due to moisture accumulation, chemical contamination, or dirt getting into the fluid. Much of the driving that we consider to be everyday driving is actually "severe service" under the manufacturer's warranty terms. Many manufacturers do have change intervals for fluids in severe service, whereas they may not have change intervals for "normal service."

In any case, I consider that oil is a lot cheaper than the mechanical assembly it's protecting, so I personally don't consider early changes of engine oil and other lubricants to be a waste of money.
 

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I just bought a 2010 Murano LE with 125,000 miles which shows no tranny problem, but I've been pondering on whether to do the fluid change service at the dealer.

I was very stupid, and two times I did tranny fluid flush from quick lube places and both times killed the transmission on Maxima and Carmy within weeks afterwards.

The other 2 times I had it flushed at the Toyota dealer for Corolla and Camry, tranny survived for many years until I sold the cars.
 

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I was getting oil change last week, and asked them for quote for CVT fluid change, and service person's reply was "unless I can prove that CVT fluid was changed every 60,000 miles, they will not change it. At best they can do some inspection only, and only if I sign a waiver they may consider changing the fluid."

My mistake I know...but about 10 to 15 years ago, transmission on Maxima and Camry went out weeks after getting transmission fluid flushed at quick lube places. After that, I had Corolla's transmission fluid changed by Toyota dealer, and that was fine for more than 5 years until son totaled the car in accidents.

Since I bought the used car, I have no easy way to know if the previous owner changed the tranny fluid at some point.
I just don't think it's good if I don't do anything.

I'm thinking, I should do gentle dump and refill perhaps once a year.
I know this is not fully replacing the fluid, but I also don't want to introduce sudden change.
Perhaps, gradual dump and refill will at least refresh the oil life while being gentle to finicky tranny.
 

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I was getting oil change last week, and asked them for quote for CVT fluid change, and service person's reply was "unless I can prove that CVT fluid was changed every 60,000 miles, they will not change it. At best they can do some inspection only, and only if I sign a waiver they may consider changing the fluid."

My mistake I know...but about 10 to 15 years ago, transmission on Maxima and Camry went out weeks after getting transmission fluid flushed at quick lube places. After that, I had Corolla's transmission fluid changed by Toyota dealer, and that was fine for more than 5 years until son totaled the car in accidents.

Since I bought the used car, I have no easy way to know if the previous owner changed the tranny fluid at some point.
I just don't think it's good if I don't do anything.

I'm thinking, I should do gentle dump and refill perhaps once a year.
I know this is not fully replacing the fluid, but I also don't want to introduce sudden change.
Perhaps, gradual dump and refill will at least refresh the oil life while being gentle to finicky tranny.
The CVT is not like those other transmissions.

Doing a partial fluid change annually would be a real waste of money. Completely unnecessary.

If you want to keep a new car warranty in effect, use ONLY the Nissan brand fluid. No substitutes. Once the warranty is gone, use what you want.
 

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I just bought the 2010 Murano with 125K miles. I'm assuming there is no more warranty left on this.

How is CVT different in that partial fluid change is waste of money?
 

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As I mentioned in post #10 in this thread, it is located external to the transmission at the front, driver's side corner, best accessed from the wheel well. Look up online for a replacement part to see what it looks like.
 
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