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Thread: 6 Speed manual input shaft seal retainer slightly worn

  1. #1
    Senior Member ETSubchief's Avatar
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    Default 6 Speed manual input shaft seal retainer slightly worn

    Long story short when the tranny gets hot, its starts to chatter when the clutch is not engaged. So I am replacing clutch fork and the throwout bearing and noticed that the input shaft seal retainer has a slightly worn ring around one spot on the shaft. Its very small, but not sure if I should replace it or leave it.


    Thoughts?
    Bless those who serve beneath the deep, through lonely hours their vigi keep.
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    Senior Member jeepdreamer's Avatar
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    Quote Originally Posted by ETSubchief View Post
    Long story short when the tranny gets hot, its starts to chatter when the clutch is not engaged. So I am replacing clutch fork and the throwout bearing and noticed that the input shaft seal retainer has a slightly worn ring around one spot on the shaft. Its very small, but not sure if I should replace it or leave it.


    Thoughts?


    Left or right seal? Left is just a dust plug really. Are you seeing any leakage from the right one? Pic maybe?

  3. #3
    Senior Member ETSubchief's Avatar
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    It is the right one, but no leakage, just chatter from tranny when clutch pedal is not depresed(clutch engaged?)
    Here are pics of what I am seeing
    0912201023b.jpg

    There is a small wear ring about 2mm wide going all the way around the shaft. The shaft seal retainer is over $100.00 to get, cant get it local, so weighing options
    Bless those who serve beneath the deep, through lonely hours their vigi keep.
    May peace their mission ever be,
    Protect each one we ask of thee.
    Bless those at home who wait and pray, for their return by night or day.

  4. #4
    Senior Member jeepdreamer's Avatar
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    Quote Originally Posted by ETSubchief View Post
    It is the right one, but no leakage, just chatter from tranny when clutch pedal is not depresed(clutch engaged?)
    Here are pics of what I am seeing
    0912201023b.jpg

    There is a small wear ring about 2mm wide going all the way around the shaft. The shaft seal retainer is over $100.00 to get, cant get it local, so weighing options
    Hmm.... I’ve learned the 6sp has a lot of issues and none of them are cheap to fix or even make it “bulletproof”. If I was in your shoes I’d:
    Clean the retainer with emory cloth to smooth it out.
    Replace TO bearing.
    Inspect the PPlate fingers very carefully for cracks/wear/sag.
    Slide the new TO bearing along the retainer to make sure it is smooth, no sticking.
    Inspect the pilot bearing/bushing.

    Can you take a pic of your bell housing for me? Trying to figure out what I have here. I know the 6sp came behind several Jeep motors in several vehicles. I swapped in a used one for a guy my wife works with who has a JK. I got to keep the “bad” one but the two bell housings were very different. Had to swap those between the two. Curious what I have left over and what it’ll fit.

  5. #5
    Senior Member ETSubchief's Avatar
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    Defiently swapping:
    1. Throw out bearing
    2. Clutch Fork
    3. Clutch Fork ball

    I think that groove is causing the clatter.

    Here's picks of bell housing
    15999418426221347006334703039518.jpg
    15999418847464083806087630033641.jpg
    Bless those who serve beneath the deep, through lonely hours their vigi keep.
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    Protect each one we ask of thee.
    Bless those at home who wait and pray, for their return by night or day.

  6. #6
    Senior Member ETSubchief's Avatar
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    Well, today was a total [email protected]#t show.
    Broke the clutch fork pivot ball stud off had to drill and tap that. I planned on also doing axle seals and bearings, ordered kits for the differentials, not the axle.
    So need to reorder those and the input shaft seal retainer as well.

    Definitely beer time
    Bless those who serve beneath the deep, through lonely hours their vigi keep.
    May peace their mission ever be,
    Protect each one we ask of thee.
    Bless those at home who wait and pray, for their return by night or day.

  7. #7
    Senior Member jeepdreamer's Avatar
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    Quote Originally Posted by ETSubchief View Post
    Well, today was a total [email protected]#t show.
    Broke the clutch fork pivot ball stud off had to drill and tap that. I planned on also doing axle seals and bearings, ordered kits for the differentials, not the axle.
    So need to reorder those and the input shaft seal retainer as well.

    Definitely beer time
    I couldn’t agree more.... beer thirty! I went to Lowe’s to pick up the stuff to reside the house. Get everything paid for (ouch) and go to pull the truck/trailer around to load up. Won’t start. Vietnam vet stops and gives me a jump. Get loaded, again won’t start. wth? Drive to the orellys and have them test the batt. Tests ok at 12.68v. Not stellar but should be enough. Load test the starter, it’s bad. Buy the rebuilt and swap it out right there. No better. batt is good, starter is good... wtf? Jump it off and am heading home. I’ll deal with it tomorrow. Need a beer... and some of its friends!

  8. #8
    Senior Member jeepdreamer's Avatar
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    So your Tranny came from a 4.0 TJ/kJ, right? Does it have the crank position sensor on the bell housing or ??

  9. #9
    Senior Member ETSubchief's Avatar
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    It has both??
    Yes, 4.0,nsg370 manual 6 speed. It all would have been good if I was smart. Oh, beer makes it all makes it all better
    Bless those who serve beneath the deep, through lonely hours their vigi keep.
    May peace their mission ever be,
    Protect each one we ask of thee.
    Bless those at home who wait and pray, for their return by night or day.

  10. #10
    Junior Member H8SPVMT's Avatar
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    Your throw out bearing is shot. While in there replace it all including the hydraulics from the pedal. Been thorough two throw out bearings (cheap plastic inside) and one set of slave cylinders.

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