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Old November 8th, 2012, 01:34 PM   #1
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Manual transmission fluid

Think it's time to replace my tranny fluid. I hear things of gm syncromesh. I've always been a fan of amsoil, They have a syncromesh too. Just seeing what people recommend for an 03 accord v6 6speed about 100k miles. I know Honda has their own mtf but they have an old formula and a new formula as well. Post up what you guys have used and your experiences please
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Old November 8th, 2012, 01:45 PM   #2
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GM sync for me. I had amsoil sync as well, so coming from someone who had both i like the gm more, i feel its a lot smoother.
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Old November 8th, 2012, 02:55 PM   #3
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GM Sync. You won't regret it.
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Old November 8th, 2012, 03:09 PM   #4
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Old November 8th, 2012, 03:12 PM   #5
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Im running Redline MTL right now. It was a nice upgrade from from factory fill.
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Old November 8th, 2012, 03:29 PM   #6
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Ran redline but had issue in the cold and not being able to get into second gear. Problem solved when I switched over to Amsoil.
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Old November 8th, 2012, 04:02 PM   #7
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"GM Syncromesh Friction Modified" used to be part #12377916 but it got changed to 88900399. You can get it here GM Parts Direct: 88900399 - FLUID

According to a lot of stuff like this Drive Accord Honda Forums - View Single Post - AC Delco Synchromesh Friction Modified, you might get ACDelco (partno#10-4014) instead. Someone even said they walked into a Chevy dealer and that's what they got. I don't know for a fact it's the exact same oil with a different label, but that's what everyone on almost every forum says.
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Old November 8th, 2012, 04:06 PM   #8
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aka GMSMFM FTMFW lol
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Old November 8th, 2012, 04:12 PM   #9
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Used Amsoil for about 4 years. Just started to use Torco MTF. Both good stuff. You can't go wrong with any other synchromeshs though.
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Old November 8th, 2012, 04:28 PM   #10
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I use Honda MTF OEM and i beat the crap out of my transmission at the track. Goes into all gears perfectly.
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Old November 8th, 2012, 05:32 PM   #11
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I had the dealer use Honda OEM fluid for the 6MT. My trans got the 3rd syncro recall replaced for free about a year ago from the previous owner, so no GM syncromesh required here.

Apparently my Honda dealer are idiots. It took them 2 1/2 hrs to "figure out" how to do the trans fluid change. They just looked at my car like it was from another world. I kid you not, exact words from the service advisor "we never had one of the 6 speed accords in our shop". I almost lost it right then and there.
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Old November 8th, 2012, 05:38 PM   #12
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Ive never had a single problem or grind in my 6-speed. 95k miles and going strong!
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Old November 8th, 2012, 07:39 PM   #13
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Ive never had a single problem or grind in my 6-speed. 95k miles and going strong!
Original owner? If not either the previous owner got it replaced, or your just lucky enough to ger by...for now. From the dealer records, my 3rd gear synchro was replaced at 30K, I have 65K on it. Some go out sooner, some later. If yours shifts like butter from 2-3 when it starts racking up them miles, then all power to you!
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Old November 8th, 2012, 10:38 PM   #14
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sorry 2 hijack- when was the recall? just for accords or for acura as well?
wonder if i'm affected i have an 05 tls tranny that came out of a junk yard in jersey
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Old November 8th, 2012, 11:49 PM   #15
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Original owner? If not either the previous owner got it replaced, or your just lucky enough to ger by...for now. From the dealer records, my 3rd gear synchro was replaced at 30K, I have 65K on it. Some go out sooner, some later. If yours shifts like butter from 2-3 when it starts racking up them miles, then all power to you!
Eh sometimes it notchy. Must of the time its fine though. It was a lease vehicle before i got it.
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Old November 9th, 2012, 09:05 AM   #16
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Originally Posted by invsblduck View Post
sorry 2 hijack- when was the recall? just for accords or for acura as well?
wonder if i'm affected i have an 05 tls tranny that came out of a junk yard in jersey
A TSB has been released to address the 3rd gear grinds, pop outs and difficulty engaging the gear.

HONDA VEHICLES AFFECTED:

* 2003-2007 Accord V6 with M/T = ALL

* 2008 Accord V6 with M/T 2-Door = From VIN 1HGCS218.8A000001 thru 1HGCS218.8A003478

* 2006-2007 Civic Si 2-Door = ALL

* 2008 Civic Si 2-Door = From VIN 2HGFG215.8H700001 thru 2HGFG215.8H701973

* 2007 Civic Si 4-Door = ALL

* 2008 Civic Si 4-Door = From VIN 2HGFA555.8H700001 thru 2HGFA555.8H702465



ACURA VEHICLES AFFECTED:


TSB 08-018 (Same wording as Honda TSB)


* RSX-S 6SPD All model year

* 2003 CL 6SPD

* 2004-2007 TL 6SPD

* 2008 TL 6SPD VIN 0-3xxxx
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Old November 9th, 2012, 02:29 PM   #17
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Quote:
Originally Posted by ll Diabolic ll;2020553

...........They just looked at my car like it was from another world. I kid you not, exact words from the service advisor [B
"we never had one of the 6 speed accords in our shop"...[/B]................
That is the reason I went with GMSFM nearly 60,000 miles ago. The techs never really see a 6M (let along perform major surgery).

No 3rd gear glitches. Not one. GM set the bar on transmission goo for this sailor.

ez
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Old November 9th, 2012, 04:12 PM   #18
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That is the reason I went with GMSFM nearly 60,000 miles ago. The techs never really see a 6M (let along perform major surgery).

No 3rd gear glitches. Not one. GM set the bar on transmission goo for this sailor.

ez
Really? Hmmm yeah Im a little iffy on putting a GM product on my Honda, especially inside my trans.
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Old November 9th, 2012, 04:24 PM   #19
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Old November 9th, 2012, 06:08 PM   #20
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Amsoil
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Old November 9th, 2012, 06:59 PM   #21
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Amsoil
Matt you running Ams on your tranny? If so hows it feel compared to whatever you had before?

Im leaning towards Nighthawks recommendation and keep it OEM...Nighthawk you are my heroe :,)
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Old November 9th, 2012, 07:46 PM   #22
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I was running OEM before.
Nothing wrong with OEM, BUT the AMSOIL is about 5x smoother. It's like butter.
The OEM doesn't do as well in the cold like the AMSOIL because during the winter times the OEM fluid makes the tranny notchy, while the AMSOIL keeps it smoother.
It's your call.
OEM
AMSOIL
GM
You're fine with all choices.
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Old November 9th, 2012, 10:49 PM   #23
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Quote:
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I was running OEM before.
Nothing wrong with OEM, BUT the AMSOIL is about 5x smoother. It's like butter.
The OEM doesn't do as well in the cold like the AMSOIL because during the winter times the OEM fluid makes the tranny notchy, while the AMSOIL keeps it smoother.
It's your call.
OEM
AMSOIL
GM
You're fine with all choices.
I agree, thanks for the input! Looks like ill be in the market for some Amsoil trans fluid!
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Old November 10th, 2012, 08:57 AM   #24
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What weight is that AmsOil? Is it just "AmsOil Manual Transmission Fluid"?
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Old November 10th, 2012, 10:31 AM   #25
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What weight is that AmsOil? Is it just "AmsOil Manual Transmission Fluid"?
5W-30 syncromesh with transmission additives
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Old November 10th, 2012, 10:41 AM   #26
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if you are having a notchy feel with your transmission. It's not because of the fluid. It's because your gear synchros have damage to them. Everytime you grind a gear, you hurt the synchros. Always warm your car up before you drive it hard.

Other fluids will help but remember that gears are gears, when a tooth goes bad and you just happen to be engaging into the bad tooth, it will spit it right back out, feel notchy, or grind. A perfect transmission is rare unless you bought a brand new car from the factory.

if you bought a used car, or if you've grinded it many times, don't expect it to be perfect.

I use Honda OEM on all my customer cars, my race cars, etc. They are perfectly fine and we don't drive it easy either.

Gears are gears. if a tooth is damage, or two, it's not a perfect gear set thus can grind or spit back at you sometime. If you want a perfect transmission, have it disassembled, inspected and replace any synchros that are damaged. It will feel like new again.
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Old November 10th, 2012, 11:12 AM   #27
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Quote:
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5W-30 syncromesh with transmission additives
Thanks.

Quote:
Originally Posted by nighthawk04v6 View Post
if you are having a notchy feel with your transmission. It's not because of the fluid. It's because your gear synchros have damage to them. Everytime you grind a gear, you hurt the synchros. Always warm your car up before you drive it hard.

Other fluids will help but remember that gears are gears, when a tooth goes bad and you just happen to be engaging into the bad tooth, it will spit it right back out, feel notchy, or grind. A perfect transmission is rare unless you bought a brand new car from the factory.

if you bought a used car, or if you've grinded it many times, don't expect it to be perfect.

I use Honda OEM on all my customer cars, my race cars, etc. They are perfectly fine and we don't drive it easy either.

Gears are gears. if a tooth is damage, or two, it's not a perfect gear set thus can grind or spit back at you sometime. If you want a perfect transmission, have it disassembled, inspected and replace any synchros that are damaged. It will feel like new again.
I agree with this 100%. I'm just due for a change (113k, close enough, I'm going to be under it anyway), and only twice have I accidentally hit second a little quick to get a slight grind going in, other than that, I must have gotten a well driven one!
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Old November 10th, 2012, 11:34 AM   #28
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I agree Kiet but using the synthetic AMSOIL I've noticed it to feel like butter while shifting more so compared to the OEM which I ran previously.
Either fluid will be fine from my experience I just feel like the AMSOIL makes a night and day difference but that's up to you guys if you want to spend $11-13/qt compared to OEM which is like $5-8/qt depending on where you buy it. The key is just to do frequent oil changes and not to over fill as it will spill into your clutch and causing it to burn out much faster
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Old November 10th, 2012, 11:45 AM   #29
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Yeah the other day I had trouble going into second gear, never had an issue but lately Ive been driving my wifes DSM with a heavier shift knob. I didnt put "enough" pressure going to second, and it wouldnt engage. I think theres alot of factors when it come to this. Fluid quality, driver skill, and trans condition.

Funny when I drive her hard, she shifts so smoothly.....that doesnt sound sexual in any way XD. Anyhow I think when I shift harder, im basically applying more pressure then when im shifting casually and not really engaging the gears right. Time for a Skunk2 shift knob!!

Last edited by ll Diabolic ll; November 10th, 2012 at 02:23 PM..
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Old November 11th, 2012, 12:52 PM   #30
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The GM synchro, another vote here. Much better in the cold and fixed some cold weather occasional grinds 1-2 and balkiness 2-3. Its like new again. Never thought it was possible for a semi-synth GM truck fluid... Much better feel than OEM fluid.
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