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TR Clutch issue

Discussion in 'Boxers/TR/M' started by qwazipsycho, Nov 25, 2021 at 1:49 PM.

  1. qwazipsycho

    qwazipsycho Formula 3

    Oct 30, 2004
    1,167
    Utah
    Full Name:
    Scott
    I've put this off long enough. Ever since I put my car back together the last time I've had an issue with the clutch. I thought I just still had air in the line. And that may still be true but here's what's happening:

    If the car has rested for a while and I put my foot on the clutch it may let me put it in gear, it may require me to let off and pump it one more time. Also, when I shift from first to second I must be careful because it may grind, or it may slide into gear. Sounds like air in the line right? Well I can't seem to get any out.

    The kicker was when I took a drive into the mountains. I was climbing consistently in elevation. I live about 4k feet. I drove to about 10k feet and when I pushed the clutch it went to the floor with no resistence and wouldn't come back up. I had to pull it with my toe and then pump a few more times to get it to come back to life. Weird. Still sounds like a bunch of air?

    I've bled and bled and bled. Am I doing it wrong? Never had this problem before and this is my 3rd clutch.
     
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  3. barryr

    barryr Karting
    Silver Subscribed Owner

    Oct 16, 2010
    213
    Regina, Canada
    air for sure
    I think the trick is keep the fluid tank completely full at all times. The clutch fluid pickup is 1/3? 1/4? From the top of the tank
    Barry

    QUOTE="qwazipsycho, post: 148225972, member: 13820"]I've put this off long enough. Ever since I put my car back together the last time I've had an issue with the clutch. I thought I just still had air in the line. And that may still be true but here's what's happening:

    If the car has rested for a while and I put my foot on the clutch it may let me put it in gear, it may require me to let off and pump it one more time. Also, when I shift from first to second I must be careful because it may grind, or it may slide into gear. Sounds like air in the line right? Well I can't seem to get any out.

    The kicker was when I took a drive into the mountains. I was climbing consistently in elevation. I live about 4k feet. I drove to about 10k feet and when I pushed the clutch it went to the floor with no resistence and wouldn't come back up. I had to pull it with my toe and then pump a few more times to get it to come back to life. Weird. Still sounds like a bunch of air?

    I've bled and bled and bled. Am I doing it wrong? Never had this problem before and this is my 3rd clutch.[/QUOTE]
     
  4. rpissm

    rpissm Formula 3

    Aug 11, 2013
    1,595
    Salt Lake City, UT
    Full Name:
    Joe
    How ground down were the fingers of your pressure plate when you changed your clutch. The part that impacts the throw out bearing? I sometimes have similar behavior with my clutch, I have to make sure that the pedal is absolutely all the way to the floor, like through the firewall :) before it'll let me shift in to first. My pressure plate fingers look eroded and that's a theory I have - that the erosions are requiring additional pedal travel.
     
  5. barryr

    barryr Karting
    Silver Subscribed Owner

    Oct 16, 2010
    213
    Regina, Canada
    Sorry, missed the most important part, keep it topped up When bleeding the clutch. Keep the level at the full mark for normal operation. I think I went through a litre and a half flushing and bleeding mine. I thought I was done a few times but that , just one more to be sure, always pushed out more air. Except for the last time.
     
  6. Gary Sandberg

    Gary Sandberg Formula Junior

    The other thing is to measure your clutch pedal travel (should be no more than 1 - 2 mm). That will confirm there is no air in the system. Bleeding is a pain as barryr said and when I did my clutch I had to bleed it a few times to make sure.
     
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  8. ferralc

    ferralc Formula 3
    Owner

    Sep 2, 2010
    1,866
    San Diego CA
    Full Name:
    Fernando
  9. qwazipsycho

    qwazipsycho Formula 3

    Oct 30, 2004
    1,167
    Utah
    Full Name:
    Scott
    Yeah you should post that in it's own thread. I looked at that clutch and I don't see how it's going to work. There's a lot of stuff advertised to work that won't.
     
  10. qwazipsycho

    qwazipsycho Formula 3

    Oct 30, 2004
    1,167
    Utah
    Full Name:
    Scott
    Well I'll give it another go with someone filling the reservoir, someone pushing the clutch pedal, and me opening the bleeder hoping for bubbles.
     
  11. barryr

    barryr Karting
    Silver Subscribed Owner

    Oct 16, 2010
    213
    Regina, Canada
    Have lots of fluid on hand, don’t mix the types (3,4). Good luck!
    Barry
     
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  13. JohnMH

    JohnMH Formula 3

    Jan 28, 2004
    1,211
    Dubai, UAE
    Just curious, did you replace the clutch at this last major? If so, did you replace the slave cylinder seals in the bellhousing?
     

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