Tranny Flush? Yay or nay?

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Old 12-08-2015 | 06:55 AM
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Question Tranny Flush? Yay or nay?

Has anyone done a full transmission fluid flush (vs. a normal drain and change)? I've heard horror stories of transmissions failing after a flush.
Please share your experiences.
Old 12-08-2015 | 07:47 AM
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I change my AT fluid every 30,000 miles at the dealership for all 3 Acuras and they just do 4-qt drain/refill only for about $103. I have +125,000 on my TSX and RDX with zero issues. I'm getting close to 70,000 on my MDX with zero issues also.

I once did transmission flush on my old 97 Honda Accord 4AT with only 110,000 miles at one of those jiffy lube places because they were running a special. I don't know if they used the wrong fluid or it was the flush itself. My trans was dead about 3 months later and I had to replace with a salvage one for about $1100. Oil is cheap, transmissions not so much.
Old 12-08-2015 | 09:32 AM
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Nay. Do not flush, it will probably kill the trans.

Ok to do 3x3 or "Vacuum Exchange" method via a newer style of ATF machine. The advantage is one can change the ATF closer to 100 percent vs a 3x3. (80%).
Old 01-03-2016 | 03:50 PM
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I have my trans flushed every 60k. currently at 480k on same drivetrain. I say Yah...
Old 01-03-2016 | 07:14 PM
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^ Jesus, 480K....

how come you drive so much ?
Old 01-04-2016 | 09:47 AM
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Originally Posted by cherubino
^ Jesus, 480K....

how come you drive so much ?
for work. I do collision inspections for out of state insurance companies. I currently cover the entire lower portion of the state of Idaho.
Old 04-20-2016 | 12:33 AM
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Hi guys,

Just an update:

I ended up doing a 3x3 drain and fill with 1 gas tank between consecutive changes. The shifting is very smooth now. Also replaced the ATF Filter with Honda OEM filter and used Honda DW-1 ATF.
Old 04-22-2016 | 08:18 AM
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I have 214K on original Trans Fluid. Should I drain it and fill it or just leave it be? It shifts fine
Old 04-22-2016 | 08:36 AM
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When was it changed last?
Old 04-22-2016 | 08:41 AM
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Nvm I see you said Original, you're the 1st owner?
If yes, I would change it.

I bought my TSX used at 210k. The previous owner did not have maintenance records so I just did the 3x3 drain and fill.

I would recommend just doing one drain & fill first. Then 2 more afterwards. Space them out by at least one full gas tank.
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Old 04-22-2016 | 08:44 AM
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Old 04-22-2016 | 08:57 AM
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Originally Posted by Acurian24
Nvm I see you said Original, you're the 1st owner?
If yes, I would change it.

I bought my TSX used at 210k. The previous owner did not have maintenance records so I just did the 3x3 drain and fill.

I would recommend just doing one drain & fill first. Then 2 more afterwards. Space them out by at least one full gas tank.

can you point me in the right direction on how to do this... i know its not that hard to do. do you know any step by step threads?

thanks
Old 04-22-2016 | 09:06 AM
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How To: Replace Automatic Transmission Fluid - Acura TSX Forum

Good Luck! Let me know how it goes.
Old 04-22-2016 | 09:17 AM
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I would replace the filter too while you're at it.

Amazon.com: Genuine Honda (25430-PLR-003) Transmission Filter: Automotive Amazon.com: Genuine Honda (25430-PLR-003) Transmission Filter: Automotive
Old 04-22-2016 | 09:20 AM
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Changed my ATF filter today ('05 K24) - Drive Accord Honda Forums

Honda ATF filter change w/cut open pics! | ATF, Differential, Trans, Brakes, P/S | Bob Is The Oil Guy
Old 05-10-2016 | 06:21 PM
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Originally Posted by Clymerdude
I have my trans flushed every 60k. currently at 480k on same drivetrain. I say Yah...
Have you ever replaced/rebuilt your Tranny? You probably have the highest odo reading amongst every TSX ever produced! You should contact Acura; they might sponsor your blog or give you some free goodies lol

Could you list the major expenses you've had so far? I am very impressed that our TSXs can last this long (after all, it is assembled in Japan). It's my first car and as a college student, I plan on keeping it for a long time.
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