2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

replacing the shift knob

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Old Oct 22, 2007 | 09:50 AM
  #1  
davemo's Avatar
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replacing the shift ****

how do i get the shift **** off ? i can see the seam but as hard as i've twisted it, it doesn't budge.

also, what size are the threads? i'm contemplating having a custom replacement made...
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Old Oct 22, 2007 | 11:05 AM
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I presume you're talking about a manual from your tagline - mine just unscrews. Grab handle at top and twist counterclockwise.
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Old Oct 22, 2007 | 11:16 AM
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87 t-66's Avatar
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unscrew it
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Old Oct 22, 2007 | 11:24 AM
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Twist it off, if you cant do it with your hands grab a pair of channel locks.
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Old Oct 22, 2007 | 05:12 PM
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Turn the fitting just below the **** clockwise with a 22 mm (IIRC) wrench--it's a jamb nut. The thread size for the S4 is 12mm x 1.25.
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Old Oct 22, 2007 | 05:17 PM
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gtu'd's Avatar
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I can't believe this is a thread.
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Old Oct 22, 2007 | 05:24 PM
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There's a locking nut under the **** guys, sheesh.

The locking nut has far fewer threads on it than those in the shift **** in contact with the shifter pole. So when the two are tightned into each other, there is a lot more friction in the ****'s threads than the jam nut's. Trying to unscrew the **** while they're still tight is a great way to damage your bushings.
Originally Posted by gtu'd
I can't believe this is a thread.
Ditto, though I've jumped the gun with a couple questions myself...
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Old Oct 22, 2007 | 07:47 PM
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[QUOTE=Delphince;7445751]There's a locking nut under the **** guys, sheesh.

/QUOTE]

Delphince: look two posts above your own, and read slowly and carefully.
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Old Oct 22, 2007 | 09:43 PM
  #9  
incubuseva's Avatar
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Locking nut? Is that on the S4 only? I didn't find one in my 91
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Old Oct 23, 2007 | 02:04 AM
  #10  
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Originally Posted by buttsjim
Delphince: look two posts above your own, and read slowly and carefully.
Rx7club was acting up on me. I hit post and nothing happened. Left for a couple hours and tried again, saw a couple extra posts and went back to edit and add the most recent one in, because I found his comment amusing.

I'm so terribly sorry for ruining your afternoon.
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Old Oct 23, 2007 | 09:26 AM
  #11  
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Originally Posted by buttsjim
Turn the fitting just below the **** clockwise with a 22 mm (IIRC) wrench--it's a jamb nut. The thread size for the S4 is 12mm x 1.25.
Nice info - I didn't know that, mine was always able to be unscrewed by hand fairly easily since I got the car. It didn't loosen itself or anything, you had to WANT it off of there, but it wasn't like stripping threads tight, either.
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Old Oct 27, 2007 | 11:45 AM
  #12  
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see i knew this thread would get tons of responses and was entirely worthwhile posting

here's my idea for the custom replacement... im gonna have a crazy marble blown for me at the local glass blowing shop up here in burlington where i go to college, hopefully they can incorporate "rx7" into it. then i'll have them etch the gear pattern into it. great idea, huh?
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Old Oct 27, 2007 | 11:45 AM
  #13  
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From: NY
a big fatass marble

hopefully they can thread it somehow

otherwise i guess ill just have a sweet *** marble that says RX7 which is worth it anyway ahaha
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Old Oct 27, 2007 | 12:36 PM
  #14  
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Use a crescent wrench. It won't chew up the jamb nut nut like channel locks will.
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Old Oct 27, 2007 | 01:35 PM
  #15  
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From: Lake Stevens
It will be cool till it breaks. But will it be comfortable? Hmmmm
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