How many miles will it go?

D

dvto2

New member
I love my 2005 4runner 6 cyl Sport. It's got 242,000 miles on it and it runs great. I've kept up with the fluids, though i never did the tranny fluid, and at this point, I'm thinking it's best to leave it alone.

I'd drive this car forever, but nothing lasts forever. How many miles are people getting with their 4runners?
 
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I have a 2005 Sport with 154,000 miles. When I bought it, it had 6 miles on it. I'm driving it forever as well. If I drive 12,000 miles/year. My guess is that it'll take me 7.5 years to reach 243,000 miles. I've said before I want to keep it at least 20 years. If I keep it until it reaches 300,000 miles, it'll take me about 12 years. At which point, I'll be 52 years old, I would buy a brand new 4Runner and drive that 4runner until I'm dead, literally.
 
Do the tranny fluid just don't take it to a place and try to "power flush" it. They use a hydraulic pump to push fluid backwards through the system. This seems to often kick up sediment and clog up screens and valves.

Many people (myself included) have changed the fluid through the cooler lines. It actually changes "all" the fluid as opposed to a drain and fill (barely gets 1/3). If your fluid is already nice and bright red then maybe you're fine. Mine was actually pretty good looking so changing might have been kind of a waste. Is that 242K on the original fluid???
 
TowMeOut said:
Do the tranny fluid just don't take it to a place and try to "power flush" it. They use a hydraulic pump to push fluid backwards through the system. This seems to often kick up sediment and clog up screens and valves.

Many people (myself included) have changed the fluid through the cooler lines. It actually changes "all" the fluid as opposed to a drain and fill (barely gets 1/3). If your fluid is already nice and bright red then maybe you're fine. Mine was actually pretty good looking so changing might have been kind of a waste. Is that 242K on the original fluid???
Click to expand...

I used to get the regular dealer service done for the first 5 or six years while the car was under warranty, but i don't think they ever changed it, so it is the original fluid. I've seen some posts where people say that if the miles are high enough, you could ruin the transmission with ne wfluid, so I've been afraid to do it.
 
TowMeOut said:
Do the tranny fluid just don't take it to a place and try to "power flush" it. They use a hydraulic pump to push fluid backwards through the system. This seems to often kick up sediment and clog up screens and valves.

Many people (myself included) have changed the fluid through the cooler lines. It actually changes "all" the fluid as opposed to a drain and fill (barely gets 1/3). If your fluid is already nice and bright red then maybe you're fine. Mine was actually pretty good looking so changing might have been kind of a waste. Is that 242K on the original fluid???
Click to expand...

Got a link to a write up on how to do this? I’m about to hit 140k and have been thinking about swapping the fluid drain and fill style. Thanks.
 
montijo505 said:
Got a link to a write up on how to do this? I’m about to hit 140k and have been thinking about swapping the fluid drain and fill style. Thanks.
Click to expand...

Kind of long but this one has some good info:
http://www.toyota-4runner.org/4th-gen-t4rs/195074-atf-exchange-using-cooling-line.html

I never dropped the pan so the filter was never touched. Here's my kind of short-cut version of this setup:

Hose x2, about 4' long.
Hose barb
Old gallon container modified with hose barb connection (your choice as to how).

I disconnected one of the lines from the transmission cooler. Connect one of your hoses to the cooler and the other to the now disconnected line using your barb fitting. Run both into a catch bin and turn the truck over for just a second. Fluid will start coming out of one of the hoses so this is your "out" line.

Run that hose into a catch bin or jug so you can keep track of the volume (old oil jug, milk jug, etc.). The other hose connect to your reservoir so you can keep track of what you're putting "in". Fill up the reservoir with fresh ATF. This is going to sound very much like bleeding your brakes (same basic idea).

Make sure the "out" line is secured in place in your bottle/basin. I didn't and the first time the hose popped out and squirted fluid everywhere.


Fire up the truck for a few seconds then make sure you don't have any leaks. From there just keep the reservoir topped off as you put in the new and collect the old. I ran my truck for about 20-seconds at a stretch. This seemed to pump about 2 quarts from what I remember. Either way it goes quickly so you have to keep a close eye on the level in your reservoir. It would REALLY help to have someone in the truck to start/stop.

So long as you put in the same amount as you took out you should be good to go. If you really want to check the level there are several threads on using an OBD tool to read the transmission temperature. Some others tell how jumping some pins on the OBD connector get the proper temp with indicators. Once you hit this proper temp there's an "overflow" plug on the side that should dribble a bit of fluid if it's at the proper level.

https://www.tacomaworld.com/threads/how-to-drain-refill-automatic-transmission.63851/

Good Luck
 
The transmission pan has built in drain, fill, and level plugs, so a pure drain and fill does not require removing the pan.

That said, I was able to drain, drop the pan, replace the filter, refill, and level check after reaching trans temp in just a few hours. Was pretty painless.
 
If you keep up on the maintenance we can celebrate hitting the 500k club in a few decades. I'm only at 184k right now, feeling good about another 300k.

Sent from my XT1710-02 using Tapatalk
 
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