Clutch diagnostics? (pictures)

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Old Aug 10, 2003 | 07:00 PM
  #1  
Jet Black's Avatar
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Default Clutch diagnostics? (pictures)

Background:

I baught a blown a6 last year for 200$ can, it had a new clutch (have reciept).
My 89 dx (d15) 's clutch was engaging really wierd....like really late....so I adjusted the cable...but to have it engage at the proper spot...I had to loosen the cable so much that the clutch pedal didnt go back up. I also noticed the clutch slipping. I assumed I needed to change the clutch. What better time to use the tranny and clutch from the a6.

Much to my dismay ....the clutches seem to be in the same condition. There seems to be allot of material left on both.

Does anyone see something I'm missing here? (Why the d15 clutch would be slipping and or engaging at the wrong spot)

(Old one)


(Old one)


(New one)


(New one)



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Old Aug 10, 2003 | 07:07 PM
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kyle h.'s Avatar
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Default Re: Clutch diagnostics? (Jet Black)

possibly a broken cable?
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Old Aug 10, 2003 | 07:40 PM
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Could be a sign of a bad pressure plate.

Also, are both sides of the clutch used evenly? I recently changed a clutch on a 89 Accord that wasn't worn evenly (odds are someone rode the clutch), and the engagement point was too high. With the new clutch installed, I actually loosened the clutch cable a bit.


Modified by b17gsr at 11:56 PM 8/10/2003
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Old Aug 10, 2003 | 07:42 PM
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Default Re: (b17gsr)

possibly the pressure plate is my guess.
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Old Aug 10, 2003 | 07:50 PM
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Jet Black's Avatar
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Default Re: (b17gsr)

LOL...I was hoping I could get a reply from you Congrats on the kid again


I hope its the pressure plate.


Wear is pretty much even on both sides for both clutches.

Any other diags I can do? I dont wanna bolt all the d16 stuff back up and end up with the same problem 1 week from now.
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Old Aug 10, 2003 | 07:54 PM
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Jet Black's Avatar
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Default Re: Clutch diagnostics? (kyle h.)

Doubtful cause the clutch released ....allmost seems like the pressure plate / release baring were sticking and not releasing all the way...which would explain the late engagement point and why when I corrected the engagement point, the pedal didnt go back up all the way....would also explain why the clutch would slip.

Hmmm...thanks boys


Now how do I put this **** back together?

Is wheel baring grease acceptable to lube the release bearing? I couldnt locate any "HIGH heat grease"....wheel bearing grease is reguraded as beeing a high temperature grease...juist dont want it melting and ******* things up.
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Old Aug 10, 2003 | 08:00 PM
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b17gsr's Avatar
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If there's any slop in the release bearing, get a new one. You shouldn't grease it.

You'll want Uretha grease (I think), it's ~30$ cdn at your favorite Honda dealer for the drive shaft (where the release bearing slides, and where the spring attaches to the release bearing). All this is clearly indicated in your Honda Service Manual.

As for the kid, he's at home, reading up on engine build ups. Not bad for a 2 day old.
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Old Aug 10, 2003 | 08:10 PM
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Jet Black's Avatar
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Default Re: (b17gsr)



I dont have the manual for it ...thats the problem...thats why I'm here

******* hames manual can be used to wipe my ***....totally useless garbage crap assed piece of ******* **** turd soaked kids popup book.
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Old Aug 10, 2003 | 11:19 PM
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BseriesHatch's Avatar
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Default Re: Clutch diagnostics? (Jet Black)

Just throw on the new clutch and you should be fine if you use the new pressure plate also. But make sure you check the throw out bearing also to see if its still good.
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Old Aug 11, 2003 | 06:00 AM
  #10  
Jet Black's Avatar
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Default Re: Clutch diagnostics? (BseriesHatch)

How can I check if its still good? Does it wabble? Noticible wear?
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Old Aug 11, 2003 | 06:10 AM
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BdoubleU's Avatar
 
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Default Re: Clutch diagnostics? (Jet Black)

JEZUZ jet black... For someone who asks such in-depth questions like you do you don't have a manual?

Anyhow I'll give you an online gift:

http://www.binghamtonlife.com/...t.htm

This is the helms guide scanned.

Also. The wear on the pressure plate shows that for some time your clutch was adjusted improperly... You see the ring shaped wear marks? Always replace the throwoout bearing when you replace the clutch. Just do it!

Brian
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Old Aug 11, 2003 | 06:16 AM
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Default Re: Clutch diagnostics? (BdoubleU)

mabey when they cut the flywheel last time it wasnt step cut and that would cause that problem.
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Old Aug 11, 2003 | 07:19 AM
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Jet Black's Avatar
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Default Re: Clutch diagnostics? (BdoubleU)

Muahahah...thanks dude

I have a manual...for the crx...I just got caught up in the HT thing....and since one question led to another that could have been answered by a manual...I still asked it....I know I know...I should read

Ya....I noticed those marks...they didnt seem right to me....I think it makes sense why that clutch was slipping and not engaging right.

BTW...bear with me when I ask this:

bagged89hatch, I'm unaware of stepcutting / cutting a flywheel...I know they sometimes need to be refinished when replacing a clutch...is this what you are referring to? Why would that make the clutch engage oddly?
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Old Aug 11, 2003 | 07:20 AM
  #14  
Jet Black's Avatar
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Default Re: Clutch diagnostics? (BdoubleU)

BTW...there's an acutal groove on the otehr side of the fingers of the pressure plate...seems like the release baring was exerting a shitload of pressure on the clutch for a long time...or maybe it was seized and was rubbing on the fingers instead of rotating
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Old Aug 11, 2003 | 07:22 AM
  #15  
USDM 4G VTEC's Avatar
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Default Re: Clutch diagnostics? (Jet Black)

it can only be 3 things

clutches are pretty simple working mechanism

1-either the pressure plate is loosing its pressure
2- the clutch disc its worn (doesnt seem like it)
3- the clutch disc cristalizes bc of too much heat and wont give a proper grip (reason for break in on new ones) ( but it can also happen on used ones)
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