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84 fiero se Clutch issues by AfterThought
Started on: 05-02-2022 08:45 PM
Replies: 6 (135 views)
Last post by: Patrick on 05-02-2022 10:42 PM
AfterThought
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Report this Post05-02-2022 08:45 PM Click Here to See the Profile for AfterThoughtSend a Private Message to AfterThoughtEdit/Delete MessageReply w/QuoteDirect Link to This Post
I've almost saved this Fierro from death, runs good and stops good (it should, havnt moved it yet).

Been having the famous clutch problems with the hydraulic clutch.

Replaced the pedal in favor of the steel one, mine was bent to hell.
Installed the adjustable banjo bolt

clutch now sits about an inch above the brake as it should (thanks to the adjustable banjo, and i have bleed the system like crazy).

PROBLEM
My clutch feels like its hitting a wall. about 3/4 of the way through the swing it comes to a stop. when the engine is running I cannot slot it in gear.

I have noticed someone had extended the rod on the master cylinder with some cut and weld. (maybe to make the clutch engine sooner? or at least try).

QUESTION
What is cause the pedal to not want to go to the floor?

POSSIBILITIES?
it looks like the lever for the clutch fork is hitting the engine block, there is not a lot of clearance down there but i can't really see to verify. I took a video as a friend hits the pedal and you can see the lever bent like it is hitting something. Is this lever adjustable? could someone have put it on incorrect so its too far away from the slave cylinder? (maybe the reason why the rod on the slave was extended???)

Could the master cylinder be incorrect for the car? did they change them in any years? maybe someone put on a wrong cylinder? same for the slave?

VIDEO
https://www.youtube.com/shorts/OIF2Se6gLyY

PICTURES


[This message has been edited by AfterThought (edited 05-02-2022).]

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skywurz
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Report this Post05-02-2022 09:04 PM Click Here to See the Profile for skywurzClick Here to visit skywurz's HomePageSend a Private Message to skywurzEdit/Delete MessageReply w/QuoteDirect Link to This Post
Uhh did you notice your clutch arm is broken?
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AfterThought
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Report this Post05-02-2022 09:05 PM Click Here to See the Profile for AfterThoughtSend a Private Message to AfterThoughtEdit/Delete MessageReply w/QuoteDirect Link to This Post
OMG I just looked at the pictures and it looks like the bottom snapped!!!!! Am I correct?
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skywurz
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Report this Post05-02-2022 09:09 PM Click Here to See the Profile for skywurzClick Here to visit skywurz's HomePageSend a Private Message to skywurzEdit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by AfterThought:

OMG I just looked at the pictures and it looks like the bottom snapped!!!!! Am I correct?


That's what it looks like from here. Probably why someone tried to extend the throw on the slave. Id say that units probably flexing too much to properly disengage the flexplate on top of no longer being in the spec engagement range.

Edit: it is common for these stamped ones to bend and snap like this. I just can't remember if it's just as easy as swapping in the cast replacement like the fiero store offers.

[This message has been edited by skywurz (edited 05-02-2022).]

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AfterThought
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Report this Post05-02-2022 09:19 PM Click Here to See the Profile for AfterThoughtSend a Private Message to AfterThoughtEdit/Delete MessageReply w/QuoteDirect Link to This Post
That is exactly what happened. This system is designed so poorly, seems like every part of it wants to bend and brake. Sorry if this post was dumb.

On the fiero store it says the steel lever is 85 and up. Why would it not fit 84?

https://www.fierostore.com/...spx?s=64300&d=85&p=1
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skywurz
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Report this Post05-02-2022 09:47 PM Click Here to See the Profile for skywurzClick Here to visit skywurz's HomePageSend a Private Message to skywurzEdit/Delete MessageReply w/QuoteDirect Link to This Post
Im sure someone will respond soon as i can't quite remember and with 84 im typically wrong. I want to say that the 4spd Muncie and 5spd Isuzu arms were the same or close enough and the Getrag arms were different.

And as far as your clutch pedal not going to the floor is it possible you are maxing out the master and have over adjusted the banjo?
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Patrick
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Report this Post05-02-2022 10:42 PM Click Here to See the Profile for PatrickSend a Private Message to PatrickEdit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by skywurz:

And as far as your clutch pedal not going to the floor is it possible you are maxing out the master and have over adjusted the banjo?


That's what I'd suspect.

With the slave bleed screw loosened, the pedal should go to the floor. If it doesn't, shorten the banjo until it does.
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