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How in the world do you get the clutch pedal spring hooked again?

Transmission and Drivetrain

  1. moparmaniac10

    moparmaniac10 Well-Known Member

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    So I took my whole pedal assembly out of my 71 challenger, blasted and painted it, bought all new bushings and everything. I got the whole pedal assembly put back in, except I cannot get the huge spring back on. I hear there is a really easy trick to getting it back on, but I don't know what it is. Please Let me know, if you know. I'm tired of fighting with it.
     
  2. FistyMopar

    FistyMopar Active Member

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    I know this much.....

    If you have a diaphragm pressure plate, not a 3 prong (old factory style) the diaphragm style Does NOT need the spring. if you use the spring with the d-style clutch and take a short drive the clutch will go to the floor and stay there giving a +5 pucker factor!
    if you have this plate do use the spring.[​IMG]
    if you have this dont use the spring.
    116_0407_05_z%252Bclutch_basics%252Bdiaphragm_pressure_plate.jpg
     
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  3. moparmaniac10

    moparmaniac10 Well-Known Member

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    Mine looks like the bottom pressure plate, so I do not need the spring?
     
  4. moparleo

    moparleo Well-Known Member

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    clutch spring

    More harassment I guess:
    clutchpedal.jpg clutchpedal.jpg

    clutchpedal.jpg

    clutchpedal.jpg
     
  5. moparleo

    moparleo Well-Known Member

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    It is true that if you use the original Borg & Beck 3 finger pressure plate, you would use the over center spring. If you have a diaphragm type pressure plate, you disconnect the over center spring and pin.
     
  6. Sledgehammer

    Sledgehammer Member

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    Can't tell you if you need the spring or not... but I read on another forum how to get those springs in. The guys say to put one end of the spring in a vice and grab the other in and pull the spring to the side. They say that when there is a gap between the spring coils to put a flat washer in the gap and then bend it the other way and put washer(s) on the other side. They stated to keep doing it until the spring will go easily on amd then you can pull the washers out with pliers once it's installed.

    Never tried it myself.. but sure seems plausible.
     
  7. moparmaniac10

    moparmaniac10 Well-Known Member

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    Thanks sledgehammer,gonna try that tomorrow.
     
  8. Chryco Psycho

    Chryco Psycho Well-Known Member

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    the easy way to install it is to swing the pedal Before installing it & it falls as the pedal will travel further out of the car .
    I have done it wilt slip jaw /water pump type pliers , washers should work also .I won't use diapragm type clutches in these cars , I have had the pedal stay on the floor when shifting at high RPM both with & without the pedal spring in place , make SURE you have a rev limiter
     
  9. Adrian Worman

    Adrian Worman Well-Known Member

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    Be very careful when you adjust the pedal for a diaphragm type plate so you don't over extend the fingers on the centre plate, this damages, weakens em and leads to no end of probs,
    Take the cover off the trans and lay under the car while your obedient wife operates the pedal and then use the pedal bumpstop adjuster to limit travel.
    Once sorted tho lovely light pedal operation and loads more clamping force for your RB torque monster :)
     
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  10. FistyMopar

    FistyMopar Active Member

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    springs

    More FYI.....
    if you have the diaphram style, the pedal might not come back to the top like it used to, depending on a few things. so dont use the big spring. You may need to put a pedal return spring, a spring that you hook to the pead to the column or lower dash to make the pedal return to a height where it will touch and turn off you brake lights.
    (exactly where it was you have seen a car with the brake pedal too low or high.)
     
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  11. a-merry-can

    a-merry-can Member

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    Just found this thread. Did that trick work with rocking the spring back and forth?
     
  12. Avalanche

    Avalanche Well-Known Member

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    Inserting washers between the spring does work. It extends the springs length, once in place just remove the washers with pliers and the spring shortens into place.
    I have a diaphram type clutch and needed to remove the center spring since it kept the clutch pinned to the floor. I did install a light return spring to bring the clutch pedal all the way to top.
     
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  13. a-merry-can

    a-merry-can Member

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    cool. just bought the spring. I'll give it a shot next week.
     
  14. Daves69

    Daves69 Well-Known Member

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  15. volunteer

    volunteer Member

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    Depends how high you rev/shift - the higher the revs the more likely pedal will not leave the 'floor'. Set up the linkage to have the clutch disc begin to engage when pedal about 1 - 2 inches off floor (or whatever Mopar suggests). Diaphragm units do not need OEM pedal travel. Once bottom operation good, then adjust top end to allow for 'free-play'. You have to be sure the release bearing is not touching fingers of diaphragm when fully engaged (and foot off pedal).
     
    Last edited: Sep 11, 2019 at 4:16 PM
  16. Dfr3604cuda

    Dfr3604cuda New Member

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    If you're talking about the clutch pedal return spring, I can tell you this......
    I've been using a Zoom diaphragm clutch for years and I do have a return spring.