Notices

Notes from a Pedal Assembly Rebuild

 
Old 03-27-2012, 01:23 PM
  #16  
bruce7
User
Thread Starter
 
bruce7's Avatar
 
Join Date: Aug 2008
Location: Los Angeles
Posts: 476
Default

Originally Posted by Stealth 993 View Post
How long does it take you to pull out the pedal box now?

Great to know on the parts, this is on my list for the 95.
Not long at all. I guess that if you did this for a living you would pick up some speed. Once you learn all the gotchas you'd be ok. I think I made most of the mistakes you can make the first time through. Hopefully it will be another 50k miles before I have to revisit it again.
bruce7 is offline  
Old 03-27-2012, 01:42 PM
  #17  
bruce7
User
Thread Starter
 
bruce7's Avatar
 
Join Date: Aug 2008
Location: Los Angeles
Posts: 476
Default

Originally Posted by Mike J View Post
Nice Work! A couple of comments:

1 - Bypassing the clutch switch will disable the cruise control, correct? (not that many of use do that anyways).

4 - i also do not remove the vent tubes if I bleed the clutch - not sure why these would be in the way. Mind you, I bleed on a lift so that might make some difference. I have a system with a jug hung on the cross member, and a long clear plastic tube from the bleed nipple. I then use pressure to bleed the clutch, but slowly since you do not lose much fluid in the reservoir before you will start to push some air.
Cheers,

Mike
Hi Mike,

The cruise control is actually handled by another micro switch. So on the one hand this enables you to defeat the clutch interlock independently from the cruise control. But since both functions depend on the clutch pedal position, you would have thought they would use a single switch. I think they added the clutch interlock switch as an afterthought when US safety regulations required it. By the way, one of the side-effects of my first install with the defective clutch lever was that cruise control stopped working. That was because the pedal was not returning back far enough to engage the switch. In fact I had to remove the wooden floorboard to get enough pedal travel to disengage the clutch. I drove it like that for awhile while I figured out what was wrong.

I wish I did have a lift. I can only safely raise the car up to just get under it and do all the work on my back. This makes for some difficult wrenching positions. In fact I think I tore something in my shoulder when bleeding the clutch reaching up to the bleed nipple. Not my favorite maintenance item.

-bruce
bruce7 is offline  
Old 03-27-2012, 01:53 PM
  #18  
IXLR8
Addict
Rennlist Member
 
IXLR8's Avatar
 
Join Date: Sep 2009
Location: Canada & the Alps
Posts: 6,416
Default

Originally Posted by bruce7 View Post
The cruise control is actually handled by another micro switch.
Bruce, are you sure about that?

There is only one "clutch" switch that can be found on the wiring schematic diagram that has the cruise control and starter on it.

If the switch at the clutch pedal isn't the interlock switch or cruise control switch, where would you find the other switch?
IXLR8 is offline  
Old 03-27-2012, 03:01 PM
  #19  
bruce7
User
Thread Starter
 
bruce7's Avatar
 
Join Date: Aug 2008
Location: Los Angeles
Posts: 476
Default

Originally Posted by IXLR8 View Post
Bruce, are you sure about that?

There is only one "clutch" switch that can be found on the wiring schematic diagram that has the cruise control and starter on it.

If the switch at the clutch pedal isn't the interlock switch or cruise control switch, where would you find the other switch?
IXLR8,

In the photo below you can see both switches. The cruise control switch is under the master cylinder plunger. The clutch interlock switch is on the side wall to the left of the master cylinder. The clutch interlock switch didn't appear on 95 models from photos I've seen.

-bruce
Attached Images  
bruce7 is offline  
Old 03-27-2012, 05:30 PM
  #20  
IXLR8
Addict
Rennlist Member
 
IXLR8's Avatar
 
Join Date: Sep 2009
Location: Canada & the Alps
Posts: 6,416
Default

Originally Posted by bruce7 View Post
IXLR8,

In the photo below you can see both switches. The cruise control switch is under the master cylinder plunger. The clutch interlock switch is on the side wall to the left of the master cylinder. The clutch interlock switch didn't appear on 95 models from photos I've seen.

-bruce

Perfectly clear now. I do not have the grey colored switch pictured in your photo and sure enough, my 993 is a 1995.
IXLR8 is offline  
Old 03-27-2012, 07:48 PM
  #21  
MarkD
Addict
Rennlist Member
 
MarkD's Avatar
 
Join Date: Sep 2005
Location: Still here...
Posts: 6,962
Default

Originally Posted by bruce7 View Post
IXLR8,


The clutch interlock switch didn't appear on 95 models.

-bruce
exactly... the need to depress the clutch pedal to start the car began in MY96

and very nice summary/write up!
MarkD is offline  
Old 01-23-2014, 09:53 PM
  #22  
PITBULL964
User
 
Join Date: Mar 2010
Location: Murcia - Spain
Posts: 15
Default

Here I have the same problem as you. I got the defective new kinematic lever. Bad luck for me but at least I know what the problem is. I as getting crazy. I never though the lever I bought from Porsche could be defective but it is.... Thanks a loot. You have help me a lot
PITBULL964 is offline  
Old 04-20-2015, 10:07 PM
  #23  
nine9six
Addict
Rennlist Member
 
nine9six's Avatar
 
Join Date: Oct 2011
Location: Socal
Posts: 5,336
Default

Other than the upgraded bronze bushings, is there a list of parts needed for this rebuild, or do you have to wait till yer in there to examine everything?

Do you always have to replace the kinematic lever?

Please pardon my ignorance, as I have never pulled the pedal box before,,,But I'm sensing there is going to be a first time...
nine9six is offline  
Old 04-20-2015, 11:09 PM
  #24  
TJ993
Addict
Rennlist Member
 
Join Date: Sep 2011
Location: Toronto, Ontario
Posts: 849
Default CLUTCH

A Friend said Just Lube the thing

Well I figure while I am in there, and its been an Issue for awhile I purchased a few bits
Just figure get it done once. I was told it takes a few pairs of hands = so I will do it all at once.

These are my accumulated Parts - see pics - Also bought the spring - no idea why?
Hope these are right?

Lets see what those who have completed this DIY have to say?
TJ

Originally Posted by nine9six View Post
Other than the upgraded bronze bushings, is there a list of parts needed for this rebuild, or do you have to wait till yer in there to examine everything?

Do you always have to replace the kinematic lever?

Please pardon my ignorance, as I have never pulled the pedal box before,,,But I'm sensing there is going to be a first time...
Attached Images       
Attached Images
TJ993 is offline  
Old 04-20-2015, 11:37 PM
  #25  
bruce7
User
Thread Starter
 
bruce7's Avatar
 
Join Date: Aug 2008
Location: Los Angeles
Posts: 476
Default Parts List

Originally Posted by nine9six View Post
Other than the upgraded bronze bushings, is there a list of parts needed for this rebuild, or do you have to wait till yer in there to examine everything?

Do you always have to replace the kinematic lever?

Please pardon my ignorance, as I have never pulled the pedal box before,,,But I'm sensing there is going to be a first time...
In reviewing the DIY and the PET I would say to get these items:

From Illustration 702-00: 5, 9, 12, 13, 14, 16, 17, 22.

From Illustration 702-08: 1, 2, 3, 4.

Also, grease 000-043-209-03 which replaces 000-043-203-37 or equivalent.

I would plan on refreshing the pedal cluster at each clutch replacement.
The incremental cost is not so great and it will ensure the entire clutch
subsystem is brought to like-new condition.










bruce7 is offline  
Old 04-21-2015, 09:57 AM
  #26  
vincer77
Addict
Rennlist Member
 
vincer77's Avatar
 
Join Date: Jul 2009
Location: Costa Mesa, CA
Posts: 7,237
Default

Very timely post as I have to do this soon. All I was going to do is replace the bushings. Do the metal parts all wear?

Also, I looked and did not find bronze bushings available for the 993. Has someone found a source?
vincer77 is offline  
Old 04-21-2015, 03:08 PM
  #27  
bruce7
User
Thread Starter
 
bruce7's Avatar
 
Join Date: Aug 2008
Location: Los Angeles
Posts: 476
Default

Originally Posted by vincer77 View Post
Very timely post as I have to do this soon. All I was going to do is replace the bushings. Do the metal parts all wear?

Also, I looked and did not find bronze bushings available for the 993. Has someone found a source?
If you have the time to wait for parts you can tear the pedal cluster down to
inspect what is worn and then just order what you need. Otherwise, I would
assume that any parts that move are worn. The metal parts in the lever
linkage do wear, I think mainly due to misalignment.
bruce7 is offline  
Old 04-21-2015, 03:43 PM
  #28  
nine9six
Addict
Rennlist Member
 
nine9six's Avatar
 
Join Date: Oct 2011
Location: Socal
Posts: 5,336
Default

Thank you for all your timely replies and Bruce for your most inclusive PET pages!

TJ993, I would not go through the trouble of rebuilding my pedal box with the OEM bushings.
EDIT:
TJ993, my apologies for the above reply, and thank you for posting pics of parts and p/n bags! After further thought, I realized how stupid my comment was considering the life span of the OEM bushings @ 20 yrs


Vince n TJ, here is a link for the bronze (oilite) bushing kit from autoatlanta
http://www.autoatlanta.com/Porsche-9...-Kit-srch.html

Last edited by nine9six; 04-28-2015 at 10:35 PM.
nine9six is offline  
Old 04-23-2015, 10:42 AM
  #29  
vincer77
Addict
Rennlist Member
 
vincer77's Avatar
 
Join Date: Jul 2009
Location: Costa Mesa, CA
Posts: 7,237
Default

Wow, I spent a lot more getting the plastic OE bushings!
vincer77 is offline  
Old 04-28-2015, 11:40 PM
  #30  
tribaltech
User
 
tribaltech's Avatar
 
Join Date: Oct 2011
Location: Holliston, MA
Posts: 117
Default

Having put this off for 3 years, this thread has convinced me to finally do it, especially because it has gotten worse.

Anyone know if I can buy the master cylinder rubber boot? It doesn't appear on the parts diagram. Mine is cut and I suspect dirt gets in.

Thanks.
tribaltech is offline  

Thread Tools
Search this Thread
Quick Reply: Notes from a Pedal Assembly Rebuild


Contact Us - About Us - Advertising - Cookie Policy - Privacy Statement - Terms of Service

© 2019 MH Sub I, LLC dba Internet Brands

We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.
 
  • Ask a Question
    Get answers from community experts
Question Title:
Description:
Your question will be posted in: