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clutch wierdness, after engine/tranny install.

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Old 07-04-2004, 01:03 AM
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Tad
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Default clutch wierdness, after engine/tranny install.

Hi, just put in my d15b vtec, with a y8 tranny in my cx.

i hooked up the clutch line assmebly to the tranny and went to test it out.
a few pumps felt normal, then i let go and it didnt come all the way out, and wont. pumps are now only like %30
i noticed when i was hooking the clutch cable asembly onto the tranny it kinda started squeezing out fluid when compressed, like too much was in there.
I was playing with the clutch pedal while it was disconnected, could that have caused it??

havent run the car or anything yet,
still have more stuff to hook up/plug in.
but seems like the clutch should still function normally,
and the fluid oozing out is abnormal.

I peeled back the boot and it looks like the fork/throwout bearing are installed properly.... from what I can see at least.

thanks 4 any ideas!
Old 07-04-2004, 06:08 AM
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Default Re: clutch wierdness, after engine/tranny install. (Tad)

You need to bleed the clutch slave cylinder. You're not supossed to touch the clutch pedal while clutch slave cylinder is unhooked.
Old 07-04-2004, 09:01 AM
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Default Re: clutch wierdness, after engine/tranny install. (Ricey McRicerton)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Ricey McRicerton &raquo;</TD></TR><TR><TD CLASS="quote">You need to bleed the clutch slave cylinder. You're not supossed to touch the clutch pedal while clutch slave cylinder is unhooked. </TD></TR></TABLE>

dang! had a feeling that was it...
probly had the pedal down all the way when i installed everything.

could I just unhook the clutch line bracket thingie and get the pedal in the right position then put it back on??

or is bleeding absolute?

thanks ricey
Old 07-04-2004, 05:26 PM
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Default Re: clutch wierdness, after engine/tranny install. (Tad)

ok i just bled for a good hour,
at the beginning of the bleed, (first bleeding and first test of clutch) the clutch went completely dead.

then through the hour it came back to life, BUT
I still have a weak clutch, it'll spring back out on its own, but the top half of the stroke is really weak, bottom half has some force, but still really weak compared to before the swap.

any clues???

there cant be air still in there, i bled it like 15-20 times.
Old 07-04-2004, 08:07 PM
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plz
Old 07-04-2004, 10:01 PM
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Default Re: clutch wierdness, after engine/tranny install. (Tad)

wait until you get the motor finished up and start up the car. the clutch will change slightly in pressure.
Old 07-04-2004, 11:29 PM
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Default Re: clutch wierdness, after engine/tranny install. (Tad)

it shouldn't take you an hour to bleed a clutch. Is the slave cyl. pushing out at all? Is the pedal adjusted right? Did you bench bleed the master before you put it on?
Old 07-05-2004, 12:59 AM
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Default Re: clutch wierdness, after engine/tranny install. (hatchi)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by hatchi &raquo;</TD></TR><TR><TD CLASS="quote">wait until you get the motor finished up and start up the car. the clutch will change slightly in pressure. </TD></TR></TABLE>

hmm, ok
thats good advice considering the i cant even get it started yet, HAH!
Old 07-05-2004, 01:02 AM
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Default Re: clutch wierdness, after engine/tranny install. (dogfood)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by dogfood &raquo;</TD></TR><TR><TD CLASS="quote">it shouldn't take you an hour to bleed a clutch. Is the slave cyl. pushing out at all? Is the pedal adjusted right? Did you bench bleed the master before you put it on?</TD></TR></TABLE>

yeah ok maybe not an hour, more lke 30-40min,
each bleed was probly a couple minutes.. i gues..
i think the slave is pushing because I can feel the resistance on the clutch,

i think what might have happened, is that when it was disconected, I pushed the clutch in.. and left it in(not conected so it just stayed).. then I installed the slave cylinder.. forcing it to compress itself,rather than using the clutch pedal to compress it
Old 07-05-2004, 08:43 AM
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Default Re: clutch wierdness, after engine/tranny install. (Tad)

I think you have to take the master off and bleed the system again, bench bleed the master. And to tell if the slave is working, just have someone look at it when you push the pedal in.
Old 07-05-2004, 09:55 AM
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Default Re: clutch wierdness, after engine/tranny install. (dogfood)

wtf?
why would i have to take off the master??
doesnt the slave bleed screw bleed the whole system..
i mean it pulls fluid from the master.. so I dont see how bleeding the master
separately would do anything, dont see how its posible either(never seen any bleed screw for it).
just curious.

and whats bench bleeding
thnx


Modified by Tad at 11:20 AM 7/5/2004
Old 07-05-2004, 12:44 PM
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Default Re: clutch wierdness, after engine/tranny install. (Tad)

Old 07-05-2004, 12:53 PM
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My parents Miata sat over the winter and when we went to start it the first time this year the clutch went to the floor and didn't come up. I got pissed and left it like that for a month or so, when I got around to attempt to fix it the pedal miraculously popped back up but it was REALLY soft. My dad and I bled it about 30 times and it was nice and stiff.

I would wait till you get it all done and I bet it would be good. Oh yeah, next time don't pretend to drive the car when it's not hooked up
Old 07-05-2004, 02:06 PM
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Default Re: (SolObsession)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by SolObsession &raquo;</TD></TR><TR><TD CLASS="quote">My parents Miata sat over the winter and when we went to start it the first time this year the clutch went to the floor and didn't come up. I got pissed and left it like that for a month or so, when I got around to attempt to fix it the pedal miraculously popped back up but it was REALLY soft. My dad and I bled it about 30 times and it was nice and stiff.

I would wait till you get it all done and I bet it would be good. Oh yeah, next time don't pretend to drive the car when it's not hooked up </TD></TR></TABLE>

hah! I wanted to see if it'd squeak, cuz it was squeakin before.

and yeah, I bled it close to as much as you did. must have moved all the fluid thru the system at least twice..
it went from completely loose, to probably %60 of stock..
which is kinda how it was in the first place.
Old 07-05-2004, 02:20 PM
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maybe you're bleeding it wrong. show us what you're doing.
Old 07-05-2004, 03:03 PM
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Default Re: (Turbo E 604)

ok,
i've got a new container of dot3 fluid.

i put a hose on the end of the bleeder screw nipple.
about half a foot long.

heres my process.

-put hose in bottle of fluid
-loosen bleeder screw
-open master cylinder cap
-pump pedal with hand until the master cylinder is almost empty(i stop once that plastic thing floating in it hits bottom) usually about 3-5 pumps
i kinda vary the pumpin speed, usually try to hold it down for a sec, incase air bubble s are comin out.
-once master cyl is empty I then tighten bleed screw
-remove bottle from hoze, and pour fluid into the master cyl filling it to max
-put cap on master cyl
-test clutch function.. usually i'd notice a 5% increase in stiffness..

repeat a buncha times..
Old 07-06-2004, 12:22 AM
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Old 07-06-2004, 12:38 AM
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i bled mine til all the blackness went away
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