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Loose pressure plate bolt

Posted by tk106, Jan 27, 2020

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  1. tk106

    tk106 Supporting Member

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    I found 2 pressure bolts that came loose. One was about 1/2 turn and the other about a 1/4 turn from 14ftlbs. Will this cause a drag issue at 7k rpm with clutch pedal fully depressed?

    Thanks
    Tony
     

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  2. 1990TSIAWDTALON

    1990TSIAWDTALON Moderator

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    I'd say yes Tony. It would take a little more pedal movement to get it to disengage, in my mind.
    Maybe some Blue Loctite to keep them snug? Or Green?
    I am hoping others will give their .02¢
     

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  3. Vegas smith

    Vegas smith Proven Member

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    It can’t help.
     

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  4. DSMPT

    DSMPT Proven Member

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    It depends how much the PP lifts when you depress the clutch pedal but technically yes, it drags. I had a similar issue with my customer car. It started to drag after he installed a higher pressure plate, found he was using old bolts that being over-torqued and stretched, even one bolt head was gone. Just changed all bolt and applied some loctite slightly, the issue was solved.
     

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  5. tk106

    tk106 Supporting Member

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    I did use blue loctite, and new bolts is probably a good idea. I hope that's the issue. Thanks gents!
     

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  6. BLACK'98DSM

    BLACK'98DSM Proven Member

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    So you're putting that trans back in, or you're putting in the spare?
     

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  7. Bo0sTeD 4G63

    Bo0sTeD 4G63 Supporting Member

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    I always put loctite on all of those hard to get bolts for the same problem you are having now. I use the red loctite though because of the excessive vibration issues but then again I do have solid mounts in my car. If you find any bolts that are grinded down or streched replace them now that you are there.
     

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  8. twicks69

    twicks69 Supporting Vendor

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    Use blue loctite for pressure plate bolts, red for flywheel bolts. Use new fasteners. 18-22 ft/lbs (star pattern until pressure plate is fully seated, finger tight then torque spec) on pressure plate bolts is within yield numbers. 100 ft/lbs (hand tight star pattern then 35/70/100#) on flywheel bolts.

    There is absolutely zero need for loctite red on pressure plate bolts, especially when loctite 242, 243 and 246 are designed for this use.
     

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  9. tk106

    tk106 Supporting Member

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    I thought 14ftlbs seems low for pp bolts. Thanks for the info!!
     

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