AH FabricationsChris Nott
Results 1 to 16 of 16
  1. #1
    superkarl's Avatar
    MAN OF STEEL

    Status
    Offline
    Join Date
    Mar 2010
    Location
    Liverpool/Southport. N west
    Posts
    7,533

    clutch delay valve - new simple easy mod

    i had this valve fail some time ago in the middle of town, its split, and i was stranded.
    so i replaced the valve with the straigh brass fitting pictured below:


    This is a popular mod with the BMW boys as far as im aware. i was reminded of it last night whilst reading a build thread on PH, so i took that pic today.

    it is located on the firewall , next to your abs pump. Basically, it restricts the flow of fluid when bringing the clutch up, to sort of 'dampen' the clutch, hence the name 'clutch delay valve'.
    in bypassing this you will notice a sharper response from your clutch, feels very good, alot more feel through the pedal.
    Just putting the word out there for people to try it.

    over and out

  2. # ADS
    ADS
    Join Date
    Always
    Location
    Global
    Posts
    Many
     
  3. #2
    6th Gear

    Status
    Offline
    Join Date
    May 2010
    Location
    Bedford
    Posts
    2,877
    Ah yes i`ve read that same thread on PH and thought it sounded like a good thing.

    Cactus green 8L S3 - B5 TIP + Jetex, Revised 007p, R32 rear ARB, AP Coilovers, Compbrake rear arms, Full Powerflexed dogbone.

  4. #3
    s3dave's Avatar
    TFSI Hybrid

    Status
    Offline
    Join Date
    Nov 2009
    Location
    west yorks
    Posts
    10,121
    Yeah easy mod on the BMWs, never felt it much on my car

  5. #4
    Dani_B19's Avatar
    Audi-sports own special child.

    Status
    Offline
    Join Date
    Nov 2008
    Location
    Barnsley
    Posts
    7,233
    So anyone else done this yet? Also would the clutch need bleeding afterwards?
    Driving the most secretive S3 on ASN

  6. #5
    .Ben.'s Avatar
    1st Gear

    Status
    Offline
    Join Date
    Nov 2012
    Location
    Guildford, Surrey
    Posts
    114
    ^ Exactly what I was about to ask! Surely, by opening the circuit, you're introducing air? Not good in a hydraulic system, right?

  7. #6
    James TQ's Avatar
    3rd Gear

    Status
    Offline
    Join Date
    Apr 2012
    Location
    Essex
    Posts
    548
    thats probably the difference your feeling

  8. #7
    Dani_B19's Avatar
    Audi-sports own special child.

    Status
    Offline
    Join Date
    Nov 2008
    Location
    Barnsley
    Posts
    7,233
    Also where did you get the braided pipe from karl?
    Driving the most secretive S3 on ASN

  9. #8
    hughjass's Avatar
    Is there somefin in my teef?

    Status
    Offline
    Join Date
    Dec 2012
    Location
    staffordshire
    Posts
    289

    clutch delay valve - new simple easy mod

    Would it work on my big boat of a car?

  10. #9
    <tuffty/>'s Avatar
    Badger 5 Edition

    Status
    Online
    Join Date
    Sep 2008
    Location
    Gloucestershire
    Posts
    15,564
    I think it goes without saying you need to bleed the clutch after doing this mod...

    <tuffty/>
    Silver 2001 AMK S3. Silver alcantara interior... now with added powarrrrrrrr, torques. VAGCOM + KII-USB. >> My build thread...

  11. #10
    superkarl's Avatar
    MAN OF STEEL

    Status
    Offline
    Join Date
    Mar 2010
    Location
    Liverpool/Southport. N west
    Posts
    7,533
    Quote Originally Posted by .Ben. View Post
    ^ Exactly what I was about to ask! Surely, by opening the circuit, you're introducing air? Not good in a hydraulic system, right?
    The atmosphere isnt going to just start filling the fluid system.
    id sprung a leak, fitted that, few pumps of the clutch and it returned, a short drive will say bye bye to any air

    the part i fitted was a fluke just lying around. Il get thread sizes tho this weekend.

  12. #11
    superkarl's Avatar
    MAN OF STEEL

    Status
    Offline
    Join Date
    Mar 2010
    Location
    Liverpool/Southport. N west
    Posts
    7,533
    Quote Originally Posted by <tuffty/> View Post
    I think it goes without saying you need to bleed the clutch after doing this mod...

    <tuffty/>
    agreed.
    Mine just never needed it

  13. #12
    <tuffty/>'s Avatar
    Badger 5 Edition

    Status
    Online
    Join Date
    Sep 2008
    Location
    Gloucestershire
    Posts
    15,564
    M10x1 is normal thread size for VAG hydraulic brake/clutch fittings iirc...

    <tuffty/>
    Silver 2001 AMK S3. Silver alcantara interior... now with added powarrrrrrrr, torques. VAGCOM + KII-USB. >> My build thread...

  14. #13
    phil miller's Avatar
    4th Gear

    Status
    Offline
    Join Date
    Sep 2012
    Location
    Devon
    Posts
    843
    the joiner can be bought from any motorfactor, its a standard brake fitting thread and pitch

    being the clutch you should be able to pump the clutch pedal half a dozen times and it will be fine

    Karl top idea and 'another' on my to do list
    ​Wish Rachel would let me have my TDI mk5 back


  15. #14
    StaceyS3's Avatar
    6th Gear

    Status
    Offline
    Join Date
    Dec 2010
    Location
    Maldon, Essex
    Posts
    2,098

    clutch delay valve - new simple easy mod

    Reckon I will definately do this when I've got my engine out as its something that could potentially go wrong and can't see any downsides to removing it

    Top work Karl
    Power & Torque 335bhp 285ftlb
    0-60 4.64 1/4 mile 13.02
    My GTX3071r Build Thread
    http://www.audi-sport.net/vb/a3-s3-f...ld-thread.html

  16. #15
    Neutral

    Status
    Offline
    Join Date
    Feb 2013
    Posts
    62
    ahh this may solve why my clutch is crap ie when i press down it slowly rises back up etc ive already bleed and already changed clutch master cylinder and slave cylinder in new clutch kit and dm where do i get one of these and any how to guide

  17. #16
    superkarl's Avatar
    MAN OF STEEL

    Status
    Offline
    Join Date
    Mar 2010
    Location
    Liverpool/Southport. N west
    Posts
    7,533
    Ive wanted to post this because when the valve was removed to fix the leak, and before i knew what the hell it was, i expected the clutch to feel different and maybe feel a bit poo seeing as it was a quick fix with no bleeding. After using the car and being very inquisitive with the clutch it felt great.
    thats when i discovered it wad a common mod amongst other makes. id asked a few lads to do it just to see if i was going mad and they havent done so yet. And the thread i was reading prompted me to do this.
    As stacey said, it wont do any harm at all. Will prob take half an hour and cost a couple of quid (although i dont know where the part is from, it was in my dads tool box, very conveniently), and youl prob never have the issue of the valve bursting leaving you stranded somewere.

 

 

Similar Threads

  1. 1999 1.8T - New to this modding lark, but keen learn. Suggestions?
    By Stunt Codpiece in forum A3/S3 Forum (8L Chassis)
    Replies: 16
    Last Post: 8th September 2012, 11:15
  2. New Car, Which Mods, Help Me Decide... please.
    By PhilM81 in forum A3/S3/Sportback (8P Chassis)
    Replies: 65
    Last Post: 17th March 2012, 08:11
  3. New member - Audi+ Modding Newb First Ever Project
    By JNP in forum A3/S3/Sportback (8P Chassis)
    Replies: 32
    Last Post: 8th January 2011, 14:01
  4. Salesmans sympathy on delay of New A3.
    By stealth in forum A3/S3/Sportback (8P Chassis)
    Replies: 35
    Last Post: 17th June 2004, 13:46
  5. Delay on new A3
    By stealth in forum A3/S3/Sportback (8P Chassis)
    Replies: 18
    Last Post: 16th May 2004, 21:17

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  
Single Sign On provided by vBSSO

Garage Plus, Vendor Tools vBulletin Plugins by Drive Thru Online, Inc.

Content Relevant URLs by vBSEO