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> Shift knob won't stay on, What's the fix?
drmitch
post Nov 23 2024, 11:49 AM
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Hi all,

The new 914 went into the shop for a couple of things. One thing they did was take out the atrocious short shifter that a PO had installed and replaced it with factory. It's a huge improvement. HOWEVER...while the shift knob on the short shifter seemed to be solidly attached for eternity, the knob on this replacement came off in my hand before I got out of the parking lot.

I circled back and a tech wrapped some black electrical tape around the shaft and tried several times to get the knob to grip. He did so, but told me it probably wouldn't last and what I need is a knob with a set screw.

Since these didn't come with a set screw, and since the previous knob didn't have this problem, and since I just dropped $500 at the shop, I think it's reasonable to expect the new knob to be as good as the old. The new knob came off in my hand twice on the drive home. I've sent an email to the shop owner asking for a solution.

What say you all? Yes, there is a crush sleeve up in the knob. If the solution is to put a new one in there, please tell me how to get this one out. If the solution is epoxy, I'll do it. If the solution is a knob with a set screw, please point me towards a source. I couldn't find one yesterday online.

THANKS!
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Artfrombama
post Jan 7 2025, 05:50 PM
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I bought a new crush sleeve for my shifter, seems the inside diameter at the top of the knob is quite worn, knob was still loose with the new sleeve.
Put the old sleeve in first then the new sleeve. Tight now.

Worked for me, your results may differ
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KELTY360
post Jan 7 2025, 10:34 PM
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QUOTE(Artfrombama @ Jan 7 2025, 03:50 PM) *

I bought a new crush sleeve for my shifter, seems the inside diameter at the top of the knob is quite worn, knob was still loose with the new sleeve.
Put the old sleeve in first then the new sleeve. Tight now.

Worked for me, your results may differ

Nice trick.
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Posts in this topic
drmitch   Shift knob won't stay on   Nov 23 2024, 11:49 AM
RAX914   Is it a factory shift knob like the picture below?...   Nov 23 2024, 11:57 AM
Superhawk996   I circled back and a tech wrapped some black elec...   Nov 23 2024, 12:06 PM
technicalninja   I circled back and a tech wrapped some black ele...   Nov 23 2024, 12:31 PM
drmitch   Thanks to all who've commented. As I said in ...   Nov 23 2024, 12:52 PM
Superhawk996   The shop I went to is a well-known indy Porsche ...   Nov 23 2024, 02:01 PM
Osnabruck914   The shop I went to is a well-known indy Porsche...   Nov 25 2024, 05:22 PM
Superhawk996   [quote name='Superhawk996' post='3178541' date='N...   Nov 25 2024, 08:14 PM
Jezibel   Actually, I have found that the only solution to ...   Jan 8 2025, 12:29 PM
RAX914   The crush sleeve should only be held in the knob b...   Nov 23 2024, 01:00 PM
NARP74   You can also take some measurements for the full e...   Nov 23 2024, 01:12 PM
Cairo94507   New crush sleeve and make sure that the knob gets ...   Nov 23 2024, 01:46 PM
fiacra   You went to a local well known independent Porsche...   Nov 23 2024, 03:37 PM
Front yard mechanic   I use a booger to hold mine tight   Nov 23 2024, 04:01 PM
NARP74   A Tanya Harding #20 should do the trick.   Nov 23 2024, 06:41 PM
bkrantz   If you want DAPO style, use epoxy (and never get t...   Nov 23 2024, 08:15 PM
emerygt350   Careful about beating on it too much, the shift ar...   Nov 24 2024, 02:43 PM
drmitch   Careful about beating on it too much, the shift a...   Nov 24 2024, 03:50 PM
VaccaRabite   You just need a new crush ring. Also be sure they ...   Nov 25 2024, 09:24 AM
KELTY360   All good suggestions here. I discovered long ago t...   Nov 25 2024, 09:33 AM
worn   I have been shifting with a loose knob for many ye...   Nov 25 2024, 05:54 PM
drmitch   I have been shifting with a loose knob for many y...   Nov 26 2024, 11:35 AM
drmitch   All good suggestions here. I discovered long ago ...   Nov 26 2024, 11:31 AM
TheCabinetmaker   Put the crush washer on the very end of the shifte...   Nov 25 2024, 09:34 AM
jim_hoyland   I noticed my Rennshifter knob has 2 small set scre...   Nov 25 2024, 07:13 PM
Steve   I noticed my Rennshifter knob has 2 small set scr...   Jan 1 2025, 10:16 PM
drmitch   Resurrecting this thread. I've not tried a ne...   Dec 14 2024, 04:45 PM
Superhawk996   Crush sleeves are a one time use item. Probably 1...   Dec 14 2024, 05:54 PM
brant   Crush sleeves are a one time use item. Probably ...   Dec 14 2024, 07:00 PM
drmitch   Crush sleeves are a one time use item. Probably...   Dec 14 2024, 07:44 PM
morehills   I have a new crush ring. Free if you pay postage. ...   Dec 15 2024, 04:10 PM
drmitch   I have a new crush ring. Free if you pay postage....   Dec 16 2024, 04:24 PM
morehills   I have a new crush ring. Free if you pay postage...   Dec 16 2024, 05:17 PM
drmitch   [quote name='drmitch' post='3181766' date='Dec 16...   Dec 16 2024, 07:33 PM
FlacaProductions   If you want something with a set screw, find an AM...   Dec 15 2024, 05:58 PM
drmitch   Pray tell, how does one remove the old crush sleev...   Jan 1 2025, 05:27 PM
RAX914   Pray tell, how does one remove the old crush slee...   Jan 1 2025, 06:50 PM
Superhawk996   RE: Shift knob won't stay on   Jan 1 2025, 06:28 PM
drmitch   I had already tried the mini pick and hook ...   Jan 1 2025, 07:34 PM
Superhawk996   I had already tried the mini pick and hook set, ...   Jan 1 2025, 09:37 PM
drmitch   I had already tried the mini pick and hook set,...   Jan 2 2025, 05:59 PM
Superhawk996   [quote name='Superhawk996' post='3184444' date='J...   Jan 2 2025, 07:41 PM
RAX914   Try wrapping the shaft with electrical tape, just ...   Jan 1 2025, 08:12 PM
Geezer914   Use JB weld epoxy and glue it to the shaft. This ...   Jan 3 2025, 10:38 AM
drmitch   I got the Rennline black aluminum knob with a sing...   Jan 6 2025, 07:43 PM
Artfrombama   I bought a new crush sleeve for my shifter, seems ...   Jan 7 2025, 05:50 PM
KELTY360   I bought a new crush sleeve for my shifter, seems...   Jan 7 2025, 10:34 PM


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