Going to do a drain and fill trans service

Like the title says, I'm going to do the way overdue drain and fills for the 5 speed auto. At 105k right now. My question is how many time should I repeat the drain and fills? Should i do 4 or 5 back to back drain and fills since it's never been done or just do one drain and fill and call it? How many qts come out?

 

Here ya go.

https://www.tacomaworld.com/threads/diy-full-flush-for-automatic-transmission.68462/

Worked great for me. I recommend dropping the pan and clean it and the filter screen first, then complete the rest of the drain and fill cycles.

 

You could keep it simple and just do a drain and fill for the next few oil changes.

Dumping the pan is messy but will get a lot more fluid out.

There is no benefit to doing back to back drain and fills immediately, plus you run out of temperature range.

These transmissions are stout and even if you neglected it, there's plenty of life left likely.

 

It’s about cleaning all of the gunk at the bottom of the pan, not about getting more fluid.

 

How about both? It's easily more than 1 liter of fluid remaining even after draining it.

What about cleaning the magnets if youre gonna nitpick.

 

Semantics? I’m not trying to nitpick - if you use the trans return line to do the sequential drain and fills you get a very high percentage fluid swap in one go of it, so the real benefit to dropping the pan for the first one is that you can clean it out and keep things cleaner for the follow up drain and fills. See the link I provided...

 

How much funk did you get off the bottom of the pan, the filter (screen) and the magnet?

 

Dropping the pan isn't worth the trouble. Drain and fill will do everything you want. Do this a couple times and you will be fine.

Whatever anyone else says, you can not clean the filter. The design prevents this.

 

A healthy layer. Ever cracked open a rear diff? Pretty similar.

 

Yes but haven’t ever gotten anything but gear oil and minuscule shavings, except for when I flooded it. Thanks.

 

Many have driven multiple hundreds of thousands of miles without dropping the pan and changing the filter. Most guys aren't finding much of a mess other than some fine metal particles, it's not like an oil filter where you'll find more crap. Plus you risk stripping or breaking one of those rusted bolts while taking off the pan then you would've wished you never bothered. If you don't get out that broken bolt and use a new bolt in place of it, you'll compromise the seal between the gasket and the pan and now water/dirt/salt/debris can enter the pan from that spot where you broke the bolt. Just something to think about. Know what you're getting into.

I would highly, highly suggest a complete flush as stated in the link posted above by Accipiter13. It's very easy, even a monkey can do it. Here's the short synopsis,

1. Drain the pan (3 qts typical)
2. Fill the pan with new fluid. (3 qts)
3. Disconnect rubber ATF hose from return line.
4. Hook up 3/8" tubing to the hard return line with other end into a bucket.
5. Start truck.
6. Stop truck when 2.5 qts have drained.
7. Fill pan with new fluid (2.5 qts)
8. Repeat steps 5 to 7 until clear red fluid comes out (about 11.5 qts)
9. Disconnect your 3/8 tube from return line and connect rubber hose back.
10. Do the temp check sequence to check the fluid level.
11. Clean up, button up, done.

Once you have all your tools and fluids ready to go. Start to finish is less than 30 mins. If you have a scangauge, ultragauge, or Torque pro to monitor transmission temp, it simplifies the process for checking fluid level.
Again see the link Accipiter13 posted above for pictures and explanation of every step. I bought 12 quarts of ATF for the flush. Bought new drain/fill washers. Bought clear 3/8" ID vinyl tubing. I secured the clear tubing to the fill hole and routed it up towards the engine to a funnel where I could fill it easily standing in front of the truck.

 

Awesome dudes. Glad I asked. Would have never thought to disconnect the return line. That looks nice! Went with the Toyota ws. Picked up 12 qts for about 140 dollars with the gaskets. I mean that's expensive but needs to be done!

 

I'm going to do a complete drain/fill from the return line. The procedure is on TW. I used this procedure in my 2009 4runner and it work flawlessly. Sold the 4runner, I got 28k miles on my Tacoma right now. If you have lower mileage I think full drain is the way to go.

 

I have 105k. Had 33 tall tires when I got it at 100k. Thing couldn't stay in overdrive to save its life. Was so annoying I put the 31s back on with the trd off road wheels and its geared properly now. Hopefully the big tires it had didn't rag it out to bad. Shifts weird sometimes.