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Hammerhead69
Samba Member
Joined: April 29, 2021
Posts: 84
Location: Georgia
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 Posted: Sun Aug 07, 2022 8:05 am Post subject: Shift Coupler Chatter |
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| I replaced the shift rod bushing & also installed a new shift coupler on our ‘71 Beetle but I’m still getting a (kinda noisy) chatter from the coupler area. What could it be? When I first removed the panel to get to the coupler there was a lot of foam padding crammed around the coupler. |
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67rustavenger 
Samba Member
Joined: February 24, 2015
Posts: 9772
Location: Oregon
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| Posted: Sun Aug 07, 2022 8:35 am Post subject: Re: Shift Coupler Chatter |
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The foam was a Band-Aid to deaden the coupler (perceived) noise. When really the noise was caused by the worn shift rod bushing.
When I change the coupling, I use the stock cage and install the new plastic bits in it.
Make sure that the coupling grub screw is tight and safety wired in place.
Check your trans mounts, nosecone, and bellhousing cradle.
Look for the rubber bits separated from the metal plates.
_________________
I have learned over the years.
Cheap parts are gonna disappoint you.
Buy Once, Cry Once!
There's never enough time to do it right the first time. But there's always enough time to do it thrice.
GFY's Xevin and VW_Jimbo! |
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Hammerhead69
Samba Member
Joined: April 29, 2021
Posts: 84
Location: Georgia
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| Posted: Sun Aug 07, 2022 8:44 am Post subject: Re: Shift Coupler Chatter |
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| Thanks. Everything I’ve replaced so far are the shift rod bushing, shift coupler (aftermarket poly), & the mounts at the bell housing cradle. The only thing I didn’t replace was the mount at the nose cone. |
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heimlich
VWNOS.com
Joined: November 20, 2016
Posts: 6621
Location: Houston, Texas
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| Posted: Sun Aug 07, 2022 10:21 am Post subject: Re: Shift Coupler Chatter |
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| Hammerhead69 wrote: |
| shift coupler (aftermarket poly) |
Was it red in color?
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Michael Ambrozik
Samba Member
Joined: October 17, 2020
Posts: 631
Location: San Jose, CA
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heimlich
VWNOS.com
Joined: November 20, 2016
Posts: 6621
Location: Houston, Texas
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Michael Ambrozik
Samba Member
Joined: October 17, 2020
Posts: 631
Location: San Jose, CA
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| Posted: Sun Aug 07, 2022 11:10 am Post subject: Re: Shift Coupler Chatter |
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| Your right, sorry. |
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Cusser
Samba Member
Joined: October 02, 2006
Posts: 31379
Location: Hot Arizona
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| Posted: Sun Aug 07, 2022 11:53 am Post subject: Re: Shift Coupler Chatter |
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| 67rustavenger wrote: |
| When I change the coupling, I use the stock cage and install the new bits in it. |
That's what I did on my 1970 back in 2017. The brand new coupler actually did not fit so I used the old metal cage and the new black rubber/plastic parts.
So much for Chinese-made copies these days - can't even copy dimensions of a simple part......sad....and sad for the USA importers who don't even check this stuff yet put their name on it and sell it....
_________________
1970 VW (owned since 1972) and 1971 VW Convertible (owned since 1976), second owner of each. The '71 now has the 1835 engine, swapped from the '70. Second owner of each. 1988 Mazda B2200 truck, 1998 Frontier, 2014 Yukon, 2004 Frontier King Cab. All manual transmission except for the Yukon. http://www.thesamba.com/vw/forum/album_page.php?pic_id=335294 http://www.thesamba.com/vw/forum/album_page.php?pic_id=335297 |
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heimlich
VWNOS.com
Joined: November 20, 2016
Posts: 6621
Location: Houston, Texas
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| Posted: Sun Aug 07, 2022 12:20 pm Post subject: Re: Shift Coupler Chatter |
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| Cusser wrote: |
| sad for the USA importers who don't even check this stuff yet put their name on it and sell it... |
They keep me in business. If it doesn't fit I don't sell it. If it is crappy part I don't sell it. My complaints department is growing cobwebs.
_________________
www.vwnos.com [email protected]
Classic Brands. Classic Quality.
Not all parts are made the same. NOS OE/OEM parts made mainly in West Germany, Early Germany, and Early Brazil are where VW produced the best quality parts and best fitting products.
5% Off your order with coupon code: 5%OFF
Restored Distributors Available (<--Click here) |
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Hammerhead69
Samba Member
Joined: April 29, 2021
Posts: 84
Location: Georgia
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| Posted: Sun Aug 07, 2022 1:12 pm Post subject: Re: Shift Coupler Chatter |
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| Yes it’s a red coupler from Jbugs, EMPI brand I think. It feels tight though. |
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74 Thing
Samba Member
Joined: September 02, 2004
Posts: 7393
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| Posted: Sun Aug 07, 2022 11:52 pm Post subject: Re: Shift Coupler Chatter |
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| Hammerhead69 wrote: |
| Yes it’s a red coupler from Jbugs, EMPI brand I think. It feels tight though. |
If it is rattling it is not tight. Is there up/down plat or side to side play or plat between the screw and the shift rod. Fix the problem.
What shifter are you using? Is the shifter ball rattling in the shift rod cup? Look at that too. |
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Mikedrevguy
Samba Member
Joined: October 15, 2008
Posts: 2240
Location: Medford, OR
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| Posted: Mon Aug 08, 2022 8:31 am Post subject: Re: Shift Coupler Chatter |
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Is it possible the hole through the shift rod has been egged out and so there’s extra play at the coupler?
_________________
74 1303 (RevBug): plan for German Look
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79 VW Iltis
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Hammerhead69
Samba Member
Joined: April 29, 2021
Posts: 84
Location: Georgia
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| Posted: Mon Aug 08, 2022 8:57 am Post subject: Re: Shift Coupler Chatter |
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| I just checked it again. There’s virtually no loose play at the coupler. Up & down as well as side to side there might be a millimeter of motion. There’s none forward & back. It doesn’t do it constantly while driving just randomly. |
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TDCTDI
Samba Advocatus Diaboli
Joined: August 31, 2013
Posts: 12858
Location: North Carolina
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| Posted: Mon Aug 08, 2022 9:17 am Post subject: Re: Shift Coupler Chatter |
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If the “randomly” changes when accelerating or deceleration, then it’s probably due to a broken front transmission mount.
If it is a broken front mount, the easiest fix is a padded front strap kit.
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Everybody born before 1975 has a story, good, bad, or indifferent, about a VW.
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beetlenut
Samba Member
Joined: May 27, 2009
Posts: 2983
Location: RI
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| Posted: Mon Aug 08, 2022 10:41 am Post subject: Re: Shift Coupler Chatter |
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The red poly coupler transmits every little vibration from the transmission right up the shift rod. The original coupler (almost a neoprene-like substance) dampens most of that. After 50 miles of that, I tossed the red poly, and went back to my original coupler, and all was quiet again. Same with poly transmission mounts.
_________________
scrapyards are for quitters
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| Wetstuff wrote: |
| ... I spend more time shaking it than directing it?! I get a pretty decent blast for 8sec. then have to shake it again. |
- Words to live by right there!
My 74 Super rebuild thread: http://www.thesamba.com/vw/forum/viewtopic.php?p=6507104#6507104 |
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Hammerhead69
Samba Member
Joined: April 29, 2021
Posts: 84
Location: Georgia
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| Posted: Mon Aug 08, 2022 11:19 am Post subject: Re: Shift Coupler Chatter |
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| beetlenut wrote: |
| The red poly coupler transmits every little vibration from the transmission right up the shift rod. The original coupler (almost a neoprene-like substance) dampens most of that. After 50 miles of that, I tossed the red poly, and went back to my original coupler. |
Ok I think I’ll go back to the original (new one) & give that a try. |
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