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How much MTF (manual transmission fluid) for a SOHC tranny?

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Old 09-13-2005, 01:38 PM
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Default How much MTF (manual transmission fluid) for a SOHC tranny?

https://honda-tech.com/zerothread?id=670463 says 1.8 - 1.9 while https://honda-tech.com/zerothread?id=626397 says 2.5

Anyone know for sure how much to use?
Old 09-13-2005, 01:41 PM
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Default Re: How much MTF (manual transmission fluid) for a SOHC tranny? (Jowee 1162)

I'd like to know also as I'm about to change the fluid
Old 09-13-2005, 01:42 PM
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Default Re: How much MTF (Mr.RHTuner)

1.8
Old 09-13-2005, 01:44 PM
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2.0 quarts if overhauled
1.9 if just changing fluid

pg 3-6 in my helms
Old 09-13-2005, 01:47 PM
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Default Re: (Mista Bone)

^^yep.
Old 09-13-2005, 02:20 PM
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ide do 1.5
dont over fill, or youll blow out your axle seals.
Old 09-13-2005, 02:39 PM
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Default Re: (graveltravel)

right, your "full" of it.........

blowing axles seals..........how are you gonna do that?????

If there was a buildup in pressure, it would vent out the top of the tranny.

For example, a 94 DX tranny that was ran with 3-5-4 quarts of hypoid gear oil.............



one that was ran low on fluid, cooking the plastic bearing cages causing the discoloration above the fluid level.........



Old 09-13-2005, 06:58 PM
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service manual says 1.8 if replacing, 1.9 if overhauling
Old 09-13-2005, 07:08 PM
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Default Re: (civic_driver)

im running 3-3.5 no problems.

also running 15-40w oil as well. turbo z6, stock tranny. no more grinds.
Old 09-13-2005, 07:24 PM
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Default Re: (kyle h.)

1.8-.19 i just did this for a z6 tranny
Old 09-13-2005, 07:29 PM
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so overfilling is recommended (i.e. improves shifting) or does it make no difference?
Old 09-13-2005, 10:14 PM
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Default Re: (civic_driver)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote &raquo;</TD></TR><TR><TD CLASS="quote">service manual says 1.8 if replacing, 1.9 if overhauling</TD></TR></TABLE>

go re-read, those are liters,

My numbers above still stand correctly..........

Overfilling is NOT needed, nor suggested, but it won't do any harm.
Old 09-13-2005, 10:23 PM
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Default Re: (Mista Bone)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Mista Bone &raquo;</TD></TR><TR><TD CLASS="quote">right, your "full" of it.........

blowing axles seals..........how are you gonna do that?????

If there was a buildup in pressure, it would vent out the top of the tranny.
</TD></TR></TABLE>
Old 09-13-2005, 10:27 PM
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mista bone, could you write a HOWTO on rebuilding SOHC trannys? Or at least a walkthrough of what each of the inernal parts does?

That'd be nice... I'll be swapping my dx tranny for an ex and I'd like to tear down my dx for learning purposes...so when it comes time for an ex rebuild I can do it myself.. might throw an LSD and do custom gearing, etc.
Old 09-14-2005, 12:03 AM
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me and my friend always just use 2 quarts of honda mtf in a si tranny and a ys1 b16 tranny
Old 09-14-2005, 12:04 AM
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Default Re: (siregcivic)

Fill until it starts dripping from the fill hole.
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Old 09-14-2005, 04:41 AM
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Default Re: (chowmien)

I use 2.0 because who can accurately measure out 1.8 quarts?

Old 09-21-2005, 04:06 AM
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Old 09-21-2005, 04:16 AM
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another question related to this one. where can i check how much tranny fluid is in my z6 and how do i go about changing this when i change my oil this weekend? any pics?
Old 09-21-2005, 05:03 AM
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whats the best tranny fluid you guys have found?
Old 09-21-2005, 05:16 AM
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Honda MTF only! Mine took 1.8 quarts also, no more grinds and good smooth shifting.


Modified by Hatch_Back_97 at 9:39 AM 9/21/2005
Old 09-21-2005, 05:18 AM
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How often is it recommended to change the MTF in a z6 also do basic autoparts stores carry honda MTF?
Old 09-21-2005, 05:23 AM
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Default Re: (dogbiscuit)

Change fluids every 10,000 miles or anytime before that.
Most transmission fluids will do just fine. Kinda sad if you think you can
only use Honda brand transmission fluid.
Old 09-21-2005, 05:25 AM
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actually i was going to get synchromesh but my 160k z6 has no grinds at all so i am not concerned about getting something else, plus anything with the word Honda on it makes me feel all warm inside
Old 09-21-2005, 05:25 AM
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Default Re: (dogbiscuit)

Change tranny fluid around 25K miles. Maybe sooner if you constantly rev high.

Autoparts stores will just tell you to use engine oil. Mostly that is what MTF is. Honda "supposedly" uses another additive for lubrication and stuff in their fluid at the dealership.

GM Friction Modified (at GM dealers, expensive) is good if you already have a slight grind, it will usually get rid of it unless its excessive.

There is a very detailed tranny overhaul with many, many, many pictures if you search. Its for B series but its the same thing.

I just fill until it comes back out the fill hole.

Some use the VSS to fill it but to me, thats even more involved to get the VSS out.


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