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Acura clarifies the definition of a transmission flush

From the January 2008 ServiceNews:

Quote:

Some A/T repair procedures call for flushing the trans using Acura Precision Crafted ATF-Z1 (and no
substitutes). Problem is, where do you find the info to do that? It’s not listed in the S/Ms and if you do an
ISIS search, you’ll find a few ServiceNews articles on this subject, but they’re rather dated, and none of
them say the same thing.

NOTE: The term “flushing” refers to repeatedly draining and refilling the trans with Acura Precision Crafted ATF-Z1. Don’t confuse it with aftermarket flush systems. American Honda still strongly recommends that you avoid using them on any Acura vehicle. The original procedure was written for simpler A/Ts that readily upshifted when you ran the vehicle on a lift. But A/Ts have come a long way since then, and most of the newer ones balk at shifting past 2nd gear when on a lift, unless you work the shift lever a certain way. In light of all this, we thought it was high time that the A/T flushing procedure got a facelift. So here’s the latest word on flushing that works for all A/Ts:

1. Set the parking brake, and raise the vehicle on a lift.
2. Drain the trans, and refill it with Acura Precision Crafted ATF-Z1. Refer to the applicable S/M or to ISIS
for details.
3. Start the engine, shift into Drive, and release the parking brake.
4. Push down on the accelerator pedal to raise the vehicle speed to 2,500 rpm.
• If the trans shifts past 2nd gear, go to step 5.
• If the trans won’t shift past 2nd gear, keep the engine speed at 2,500 rpm and shift from Drive to
Neutral and back to Drive. Then go to step 5.
5. Make sure that the trans shifts through all the forward gears and goes into torque converter lockup.
6. Let off the accelerator pedal, and press the brake pedal to drop the vehicle speed to zero. Shift into
Reverse and then into Neutral.
7. Shift into Drive, and repeat steps 4 thru 6 four more times.
8. Set the parking brake, and repeat steps 2 thru 6 two more times.
9. Drain the trans, and reinstall the drain plug with a new sealing washer.
10. Refill the A/T with ATF-Z1.

Remember, Honda does not require that the transmission be flushed (as outlined in the above procedure) if you are just performing routine maintenance on the transmission.

wtf does step 5 mean? is it saying go into SS mode and manually go up the gears while on a lift?

It means to make sure the trans shifts into 1,2,3,4,5th gear. (yes on a lift)

Since most of us dont have a lift, we Drive it around the block a few times. The key is to get it to shift into each gear to help transfer old fluid out and the new in

What is torque converter lockup?

Quote:

Originally Posted by AMGala

What is torque converter lockup?

I believe this is overdrive :2cents:

Quote:

Originally Posted by wise2k

I believe this is overdrive :2cents:

No. thats 5th

TQ Lock up is kinda like a automatics clutch. The TQ converter is what allows you to be at a standstill with the motor running in gear. It helps transmit the power from the motor to the trans. Under pressure and rpm it goes from slip to lock.

If your cruising down the road (like 4th or 5th) and give it gas but not hard enough to change gears you will see the tach rise some, thats the tq converter unlocking.

So correct me if I'm wrong, but isn't the above procedure the same as the 3x3 drain/fill method? (mind my ignorance) :tomato:

Quote:

Originally Posted by mpg2034

So correct me if I'm wrong, but isn't the above procedure the same as the 3x3 drain/fill method? (mind my ignorance) :tomato:

Yes, but it goes into further detail the driving you should do between each drain and refill.

Quote:

Originally Posted by mpg2034

So correct me if I'm wrong, but isn't the above procedure the same as the 3x3 drain/fill method? (mind my ignorance) :tomato:

Yes, but dealers have lifts and can do it without having to physically drive teh car any where

Where do you get Acura "service news" from ppl? I googled to no avail.

Quote:

Originally Posted by mcflyguy24

Where do you get Acura "service news" from ppl? I googled to no avail.

There's a sticky in 3G TL.

Quote:

Originally Posted by fsttyms1

Yes, but dealers have lifts and can do it without having to physically drive teh car any where

Do not attempt to "drive" your car while it is on jack stands! :tomato:

I see there's no mention of changing the transmission filter located inside the transmission.

Quote:

Originally Posted by acitydweller

I see there's no mention of changing the transmission filter located inside the transmission.

Yes, because its a NON serviceable filter. Only way to change it is to take out the trans and open it up. You do that, you might as well replace parts inside after going thru all that trouble

Quote:

Originally Posted by fsttyms1

Here some good reading
http://www.bankspower.com/Tech_understandtorqueconver.

Thanks Kris! Just FYI, that link doesn't work, it's missing a couple of letters at the end. Here is the full address:

http://www.bankspower.com/Tech_under...ueconver.c f m (with the spaces removed between the c f and m)

Quote:

Originally Posted by AMGala

:thumbsup: Its the in the address (site thats blocked by ours)

that's some good readin i tell ya :)

Quote:

Originally Posted by fsttyms1

:thumbsup: Its the in the address (site thats blocked by ours)

Yup, automatic site filter.