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Hawk
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Post subject: Clutch Mod Posted: Sun Sep 16, 2001 8:42 pm |
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Joined: Tue Jun 26, 2001 4:25 pm Posts: 4288 Location: Vilseck
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Drill out the fittings on slave cylinder and line where it was flanged this is the restriction= and allows a new clutch to slip. Once your clutch slips a couple times the damage has already been done. One way to tell is if your clutch engagement is close to the floor your clutch is still good and this mod will prevent further slipping. If your clutch is near the top of pedal it is junk. This is where the hydrulic line attatches to the slave cylinder. Take it apart and you will see what I mean. The small hole is bad. Use a 5/32 drill bit and take your time. Do slave side and line side of fitting. Object make the hole as big as you can without damage to the fittings which would then leak. Caution the drill bit will grab so put piece in a vice(not to tight) and just take it slow. Once you have made the hole bigger clean all metal shavings out with air. Bleed entire system while it is out of the car it is easier no air allowed. Then reinstall slave system. If you have a aftermarket clutch you could have some clearance problems that this mod will not help. This mod could save your new clutch and it is free. Clutch engage and release will be slightly heavier after mod. FWIW My stock clutch does not slip. Disclaimer: If you do not know what I am talking about do not try to do this mod.
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fbody97
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Post subject: Posted: Mon Sep 17, 2001 3:50 pm |
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Joined: Mon May 28, 2001 7:29 pm Posts: 1175 Location: fairfield, CA
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I have no clue what you mean. Therefore I will not do it. Maybe if George knows whats going on. We'll see.
_________________ Dave Brooks
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Roy
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Post subject: Posted: Mon Sep 17, 2001 4:08 pm |
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Joined: Sun May 27, 2001 2:52 pm Posts: 5556 Location: Mehlingen,Rhineland Pfalz, Deutschland
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JackZ28
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Post subject: Posted: Mon Sep 17, 2001 5:48 pm |
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Joined: Mon May 28, 2001 6:03 pm Posts: 8686 Location: Houston, TX
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Hawk
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Post subject: Posted: Tue Sep 18, 2001 11:24 am |
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Joined: Tue Jun 26, 2001 4:25 pm Posts: 4288 Location: Vilseck
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OLD? How much pedal do you have Jack? Where during the clutch release does your car move foward and not slip? If it is close to the floor you may have a chance to save it. If nothing else prevent you from burning up your new one.
They reduced clutch pressure(The amount of force it takes to engage and disengage the clutch) was achieved by restricting oil through the slave cylinder to get the lighter clutch. By not allowing the pressure plate to engage quickly it creates heat which equals slipping under hard throttle. If you sidestep the clutch it should engage, but your current system takes time to release( Oil must escape) allowing slipage for the light clutch pressure. Dave I believe this problem really got bad in 98. But I would reccomend checking it out on yours. George may have heard something about this also? I got the advice from Tony and it helped so. I am just passing it along trying to save you guys $$$.
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JackZ28
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Post subject: Posted: Tue Sep 18, 2001 11:49 am |
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Joined: Mon May 28, 2001 6:03 pm Posts: 8686 Location: Houston, TX
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I'll put it this way; when I drive it hard (powershift), it starts making a noise, almost like a clunking coming from the clutch, I think. Ever since I started taking it easy, though, I haven't had a problem. Any idea what I'm talking about, or what it might be?
Since I'm planning to add power adders, I should do this now, so I don't have to worry about it later.
_________________
 http://www.myspace.com/jackster31b
Last edited by JackZ28 on Tue Sep 18, 2001 11:50 am, edited 1 time in total.
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Hawk
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Post subject: Posted: Tue Sep 18, 2001 4:46 pm |
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Joined: Tue Jun 26, 2001 4:25 pm Posts: 4288 Location: Vilseck
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Are you shifting at wide open throttle? Depress the clutch all the way to the floor engine running. start releasing it I need to know when the car starts moving without sliping? clunking is bad. What about clutch smoke? Do you ride or keep your foot on the clutch pedal during normal driving. Is your car still under covered by Opel warranty.
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JackZ28
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Post subject: Posted: Tue Sep 18, 2001 10:00 pm |
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Joined: Mon May 28, 2001 6:03 pm Posts: 8686 Location: Houston, TX
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Hawk
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Post subject: Posted: Wed Sep 19, 2001 5:23 am |
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Joined: Tue Jun 26, 2001 4:25 pm Posts: 4288 Location: Vilseck
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What about the other questions?
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fbody97
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Post subject: Posted: Wed Sep 19, 2001 5:55 pm |
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Joined: Mon May 28, 2001 7:29 pm Posts: 1175 Location: fairfield, CA
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Why do I have two cars and both of them are worthless right now? Because the GD mail service won't give me my sh!t!!
_________________ Dave Brooks
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Dark Angel
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Post subject: Posted: Wed Sep 19, 2001 8:08 pm |
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Joined: Sun Aug 26, 2001 4:51 pm Posts: 681 Location: RAF Lakenheath, UK
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I haven't gotten up and looked up my car for this, but I believe that the '01 have a hydraulic thow out bearing. If this is the case, I need to drop the tranny to get at this and do the mod. Is that true. Enlighten me!
_________________ Dark Angel is ready to rumble!!!!
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Hawk
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Post subject: Posted: Thu Sep 20, 2001 6:38 am |
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Joined: Tue Jun 26, 2001 4:25 pm Posts: 4288 Location: Vilseck
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They all have hydrulic clutch linkage. The slave system is different in 98 it really became a problem.
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Dark Angel
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Post subject: Posted: Thu Sep 20, 2001 5:26 pm |
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Joined: Sun Aug 26, 2001 4:51 pm Posts: 681 Location: RAF Lakenheath, UK
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What I was lead to believe was that the '01s were different and didn't have a slave cylinder, instead it has a hydraulic throwout bearing. I checked under the car and there is just a hydraulic line going into the bell housing.
Anyone know if this is correct?
_________________ Dark Angel is ready to rumble!!!!
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Dark Angel
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Post subject: Posted: Thu Sep 20, 2001 7:42 pm |
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Joined: Sun Aug 26, 2001 4:51 pm Posts: 681 Location: RAF Lakenheath, UK
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No I feel like a complete idiot. I just did some research. they just upgraded the slave on the '01. It is a hydraulic thorw-out on all of them. This means You have to pull the tranny to do this mod. Am I correct? Not hydraulic clutchs I have worked with have a slave on the outside of the tranny working a fork, similar to a cable. I'm still learning the ins and outs of this car.
_________________ Dark Angel is ready to rumble!!!!
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Dark Angel
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Post subject: Posted: Thu Sep 20, 2001 8:01 pm |
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Joined: Sun Aug 26, 2001 4:51 pm Posts: 681 Location: RAF Lakenheath, UK
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I guess I need to get up under the car properly and see how this thing is set up. I am pretty mechanically inclined, but never worked on the system on this car. How does the slave mount to the tranny?
_________________ Dark Angel is ready to rumble!!!!
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Dark Angel
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Post subject: Posted: Thu Sep 20, 2001 8:32 pm |
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Joined: Sun Aug 26, 2001 4:51 pm Posts: 681 Location: RAF Lakenheath, UK
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Well, after doing a little more research, it looks like there is a quick disconnect on the tranny. You disconnect this and then remove the master and the resivoir. Is this correct. Then you can drill, clean and the bleed up to the disconnect. Correct.
_________________ Dark Angel is ready to rumble!!!!
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Hawk
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Post subject: Posted: Fri Sep 21, 2001 7:45 am |
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Joined: Tue Jun 26, 2001 4:25 pm Posts: 4288 Location: Vilseck
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You got it. Proceed with caution, you must have all the air out before you hook it back up this is the hardest part. Or you could be droping the tranny to get it right.
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Dark Angel
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Post subject: Posted: Fri Sep 21, 2001 2:31 pm |
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Joined: Sun Aug 26, 2001 4:51 pm Posts: 681 Location: RAF Lakenheath, UK
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Thanks, I got it done this morning. It was a pain to disconnect that coupler. Burnt myself on the cat in the process.
Yep, bleeding it was fun. Trying to keep the end open in fluid. Got it done though and it feels great. Deffinitly worth the effort. Shifting feels alot smoother and firmer. thanks for the help.
_________________ Dark Angel is ready to rumble!!!!
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Hawk
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Post subject: Posted: Fri Sep 21, 2001 4:57 pm |
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Joined: Tue Jun 26, 2001 4:25 pm Posts: 4288 Location: Vilseck
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You are supposed to wait till the cats cool off. Good job you will be glad you did it.
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Dark Angel
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Post subject: Posted: Fri Sep 21, 2001 5:07 pm |
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Joined: Sun Aug 26, 2001 4:51 pm Posts: 681 Location: RAF Lakenheath, UK
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I know I was supposed to wait, but I did it at home and I wanted to get it done before it rained. I gave the blood offering, so I know the job was done well.
_________________ Dark Angel is ready to rumble!!!!
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