How often you change your ATF

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I change my ATF every 30,000 miles. What I find funny is people will quote the OM for many maint items, such as oil changes, servicing the differential, brake fluid, transfer case, etc. but when it comes to ATF they come up with their own intervals. Especially when the OM states letting the ATF go for 100,000 miles.

As a kid growing up I remember people saying take what the OM tells you and cut it in half and use that interval instead.
 
Saturn= Every 30k it gets a drain and refill and new spin-on filter with Dexron-VI.

Previa= Every 30k it gets a 8 qt fluid exchange with a generic DEX/MERC fluid.

Altima= Haven't decided, but I'll either do a 6 qt drain and refill every 30k or a flush every 60k with new CVT fluid.

Originally Posted By: M1Accord
This is an 02 Accord V6 that manage to escape the claw of Honda automatic transmission woes. The rule of thumb is that if it goes pass 75k miles without a problem then it's not among those affected.

Not true, the later 6th gen V6s were just as vulnerable. Just as schmoe.
 
An early ATF change is great, but it does not get contaminated at the rate motor oil does. If using the same type fluid, and about half comes out in a drain, I think one drain year is more than fine for most drivers. Every two years is really good enough, but not for BitOGers.
 
Originally Posted By: Carolina19nc
MM on my 06 Accord called for ATF change at 60k. Checked with dealer, they said it does not have a filter and is important to flush it. Dealer was right around same price as private shops in my area, and I wanted to stick with Honda ATF. It was around $70


Are you sure they actually change all of the fluid for 70 bucks. Honda ATF isn't cheap and it takes a lot of change a Accord. I change it myself because it is actually easier to do than the oil change. I don't think flushing is necessary as the fluid coming out is pretty good. It is important to drive the car around for 20 minutes before changing. An easy way to change most of the fluid out is to drain, fill, drive around for a few days, drain, fill, drain around for few days, and repeat. Again, this is completely unnecessary. Since Honda ATF is pricey, it's better to just change it every 30k.

By the way, I wouldn't trust the dealership to change ATF fluid. ATF, brake, and steering fluids are big cash cow for dealership and shady shops because it is hard to tell if these fluids were actually change properly, if changed at all.
 
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performed a repeated drain-n-fill on my wifey's 04 camry after we bought it (used, we are the 2nd owner, it only had 58,000 when bought 2 falls ago) for 5 times with Castrol import ATF (for T-IV/3309). Now it's good.

Planning on doing drain-n-fill once every summer (with one 1 gal jug only)from now on.

Q.
 
Originally Posted By: M1Accord
Originally Posted By: Carolina19nc
MM on my 06 Accord called for ATF change at 60k. Checked with dealer, they said it does not have a filter and is important to flush it. Dealer was right around same price as private shops in my area, and I wanted to stick with Honda ATF. It was around $70


Are you sure they actually change all of the fluid for 70 bucks. Honda ATF isn't cheap and it takes a lot of change a Accord. I change it myself because it is actually easier to do than the oil change. I don't think flushing is necessary as the fluid coming out is pretty good. It is important to drive the car around for 20 minutes before changing. An easy way to change most of the fluid out is to drain, fill, drive around for a few days, drain, fill, drain around for few days, and repeat. Again, this is completely unnecessary. Since Honda ATF is pricey, it's better to just change it every 30k.


Accords hold about 4 qts, and Honda ATF/Z1 is about $6/qt. $70 is not suspiciously cheap
 
Cooler line flush and filter replacement every 25,000 miles on all my vehicles.
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