Hello everybody!!

Tanks again for al the help last week on 'the hanging clutch pedal'thing.

I have the repair procedure investigated myself today.

Last weekend, my wife and I where on a short weekend trip, somwhere in the Netherlands, where we had to drive a lot in the city and on the Autobahn.

Every time when we drove in stuck traffic, and had to use the clutch a lot, the pedal would not come back te last half inch.
When I touched it with my left foot, it jumped back by his self.
Last week I was for sure it could not be the master and slave cylinder from the clutch, and today I had the proof of it.

When we came back this morning, and because I had the whole day off, I studied the pedal construction from the clutch.
I made the 2 bolts lose from the clutch cylinder for 75%, who is connected to the pedal construction bihind the wood plate, so I had some space for the lever/arm.
I disconnected the arm [lever ] of the cylinder who is connected to the pedal construction.
Now I had free pedal movement, without using the clutch.
I found that the clutchpedal had a flip over point, wich means that when you move your pedal from up to down, you get a point that he will flip over to the other side.
This point is the problem area wich is for many people 'a pain in the ***'.This is the point where the pedal 'hangs' after intensive use.

I did the following thing:
I checked first the area under the dust hose on the cylinder, this was clean and rust free.
Then I looked on the kinematic construction from the pedal, clean and much grease on it>>o.k.
I checked the big spring wich is connected to the pedal, o.k.

What I did next is very easy.........and......it worked without any costs.
No replace of cilinders, clutch or any kind of those things.
Take a 4mm [imbus on Dutch] tool and turn the srew on the left side of the kinematic construction from the clutch pedal, 4x 360 degrees to the left.[against the clock]
What you do, is make free space that the pedal usualy has before the clutch cylinder starts to work, smaller.
This it enough to have plenty free space left for you clutch cylinder starts to work, and enough to move out of your 'flip over' area!!!
It works fine!!!! I tested it this afternoon, the clutch worked as it should be, no hanging pedal any more.

(MY CAR NEEDED 4X 360 DEGREES TO THE LEFT, MAY BE OTHER CARS NEED 3X 360 OR 5X 360 DEGREES TO THE LEFT!!]

I am very happy that I can tell you all this, may be somebody can use this also on his car.
This is risk free, as long as us leave enough free space before the cylinder starts to work!!!!
[otherwise you can damage your clutch, it will not come totaly free!]

Greetings,

Arjan Brinkcate
964 C2 1992 Black

 

Arjan:

Thanks for the suggestion. I will try it this weekend!

Jon

 

Arjan,

I have the same problem in my car and would like to fix it. Is it easy to reach - and how can I be sure the clutch is still free?

 

Dear Arthur,

To see if the clutch is free is very simpel.

Press on the clutch pedal with 1 of your fingers.
You feel it will go easy in the first 1/2 inch, then you feel that you can't move the pedal anymore with only your finger, you need foot power or use both hands.

This easy part of the pedal way down is the free zone. In this area you do not use the clutch.
[Move the hose from the clutch cilinder and look by yourself][schuif het stofhoesje naar achteren welke op de koppelingscilinder zit en je ziet dat er een vrije zone is waar je niets anders dan een veer bediend en geen vloeistofdruk opbouwd]
As long as you stay in this free zone, you are in safe area, so you won't hurt the clutch!]
But think about it, test your car well after adjustment, drive 1 hour around in city conditions, using the clutch often and control if a little free space is left after driving. This is important.


Hope this helps, succes ermee!

Arjan Brinkcate
964 C2 Black 1992

 

Sorry,
I forgot to tell you how to reach the pedal adjustment area.

Easy and simpel, move your floor carpet in front of your drivers seat, you see a wood plate.
Pull the gas pedal top out of his holder. [Pull just on the top of it in your drivers seat direction]
Move 3 screws, 2 down, 1 on 5 o'clock on the wood plate. Move the wood plate and ..........tataaaaaaaaaaa, your there in the pedal area.

Good luck!

Arjan

 

Important for build everything together:

Use for connect gaspedal to mechanism some grease on the ball head/gas pedal surface and hold your pin tight with a vise grip tool wich leans on the wood plate and push the gas pedal back on. [this is the only way and so you don't break anything from the gaspedal construction.]

Try!

Arjan

 

How to get to the pedal cluster is on <a href="http://p-car.com/diy/pedal/" target="_blank">Robin Sun's DIY page</a> . Basically what Arjan has already written, but with pictures.

 

Thanks Randall,

Nice to have your input/support on this topic.

Greetings,
Arjan
Netherlands, [again in rain] <img src="graemlins/r.gif" border="0" alt="[king]" />

 

My pleasure, Arjan! Sorry to hear about your rain. It's a gorgeous here today.

I can add one more thing. When I removed the wood plate, I was able to use a narrow screwdriver to remove the screw behind the gas pedal. Saved me having to remove/reinstall the pedal.

 

Thanks Arjan. I will have a look at it this weekend (when it doesn't rain - my garage is full at the moment so I'll have to do the work outside.

I guess that there may have been few people who understood your explanation (the Dutch one that is) - but I did Thanks again.

 

I just got done fixing my hanging clutch pedal. Thought I'd share my experience.

After doing a search and reading all the threads. I was pretty sure I had a bad slave. So the other night I pulled the slave cylinder off. After disassembly I couldn't find any problems, so I reinstalled. Decided to pull the master (if it's not the slave, it's got to be the master right???). Still couldn't find any obvious problems so I reinstalled and bled the system. This was a PITA with just a MittyVac but I finally got the air out. Pedal is fine now. So in short, I just needed my system bled. I wonder how many parts are changed when they don't need to be???

After going through this exercise, I'd recommend checking the relative movement between the master and slave first. This is kind of the root of the problem. In other words if the pedal can be depressed slightly and can hang, check to see if your getting the same relative motion at the slave. If not, the slave and master aren't talking (something is wrong...air in the lines, bad slave or master). The slave piston is being pushed by the arm that actuates the pressure plate. This pressure is certainly enough to push the pedal past the neutral point in it's range of motion (at least on mine).....hope all this makes sense.

 

Thanks Jeff for your input.

I want to tell you all, I am driving aroud with the adjusted pedal almost 1 week, and it is still allright, it did not hang once.

I hope it stays that way.

Worth to try for others who have the problem.

Have a nice Sunday you all!


Arjan
964 C2 1992 Black. <img src="graemlins/jumper.gif" border="0" alt="[jumper]" />

 

Hello Guys [and Melissa to],

This is the last reply on my hanging clutch pedal.

I drive almost 3 weeks around, every day with the adjusted pedal, and everything stays fine.

I don't think it will change.

Greetings,
Arjan
964 C2 1992 Black
<img src="graemlins/wave.gif" border="0" alt="[byebye]" /> <img src="graemlins/wave.gif" border="0" alt="[byebye]" />

 

Hi Arjan,

I have cured the same problem in my RS America by the same means... clean up and lube all linkages, replace the MC pushrod boot, and adjust the hex cap screw that my manual calls the clutch pedal spring force adjustment. By the way... I purchased the 993.xxx.xxx kinematic update clutch lever arm, and it is NOT compatible with the 964 (attaches to the pivot shaft via splines instead of a roll pin). Fortunatly the local delar accepted the return of the part. May your pedal stick no more... Mark.

 

O.k. Mark,

Tuscon.........yeah, nice and hot.
We where there summer 2001 in the Pima air/space museum, and drove around on the 'boneyard', Nice!!

To the point, your at a hot place on mother earth, so i think that your 'hanging problem' was a little more urgent then mine, because it changes in hot conditions.

Thanks for your input.

Greetings from the Netherlands,
Cold and [again] rain.
Arjan
964 C2 1992 <img src="graemlins/beerchug.gif" border="0" alt="[cheers]" />