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Tcash
Samba Member
Joined: July 20, 2011
Posts: 12844
Location: San Jose, California, USA
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 Posted: Wed Apr 17, 2013 8:24 am Post subject: How to Remove Stripped CV Bolts |
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[url=https://www.thesamba.com/vw/forum/viewtopic.php?t=552418&highlight=]How to Remove Stripped CV Bolts[/url
Hi All
First determine if you have the right tool.
8mm Triple Square
6mm Allen
One of the following you have in your tool box?
410 NUTBUSTER® PLIER
Locking Pliers
PIPE WRENCH
12MM X 12POINT SOCKET HAMMERED OVER BOLT HEAD
BOLT EXTRACTOR
LAST RESORT
| ftp2leta wrote: |
Cut any stubborn 6mm axle bolt head, on trany side it's easy, a grinder and cutting wheel will do the job, on the wheel side use a high speed air tool with a small cutting wheel.
Remove drive shaft. Ok, to remove the remaining drive axle bolt i mig weld a 13mm nut.
The replacement of drive axle bolt should be part of normal maintenance. It is crucial to deeply clean the bolt head before attempting to remove those, a partially inserted 6mm Allen socket will never be enough.
The TORKS 12 point bolt are way better than the ALLEN one.
They are a pain anyway |
If you do not have a welder you can, put double nuts on the bolt. Tighten them against each other. Put a wrench on the inboard nut and unscrew it.
If is broke off flush with the flange. You can try a left hand drill with a reversing drill motor. Good luck these bolts are hard.
Still no go. Weld a nut from the inside circumference to the broken piece and use a wrench to extract it.
Good Luck
Tcash
Last edited by Tcash on Tue May 30, 2017 11:01 am; edited 3 times in total |
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aeromech
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Joined: January 24, 2006
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Location: San Diego, California
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| Posted: Wed Apr 17, 2013 1:27 pm Post subject: |
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Sometimes I use a hammer and chisel or even an air hammer with a chisel tip to start them to loosen.
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fusername
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Joined: March 15, 2006
Posts: 2897
Location: Boston MA
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| Posted: Wed Apr 17, 2013 3:28 pm Post subject: |
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channel lock 410 will get them off in 30 seconds if you never used one before (don't use em backwards  ) and and 4 seconds if you have. I always have 2 sets in my tool box, my old dull set and a fresh set. When I worked in a shop and they were used multiple times a day they do wear out in a year or three. normal person, or my current self, gets 10 years out of a set I am sure.
better than vice grips ANY day. Just bought the smaller version, called battery pliers or something, have yet to test em out tho. the 410s are magick tho.
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TomWesty
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Joined: November 23, 2007
Posts: 3482
Location: Wyoming,USA
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| Posted: Wed Apr 17, 2013 5:30 pm Post subject: |
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The big square jaw vise grips work well. They are available at Home Depot. don't know the number of them. They are a staple of my tool box.
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Wasted youth
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Joined: July 06, 2012
Posts: 5134
Location: California's Hot and Smoggy Central Valley
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| Posted: Thu Apr 18, 2013 4:58 am Post subject: |
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| It helps to add lead plate or some other anti-seize to the threads of the screw when installing them. This helps avoid problems breaking them loose upon removal. |
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Randy in Maine
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Joined: August 03, 2003
Posts: 34890
Location: The Beach
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| Posted: Thu Apr 18, 2013 6:42 am Post subject: |
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Most new bolts come with a stuff similar to Locktite Blue on them to help prevent the bolts from backing out.
That is what you want on there, not an anti-sieze. |
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Wasted youth
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Joined: July 06, 2012
Posts: 5134
Location: California's Hot and Smoggy Central Valley
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| Posted: Thu Apr 18, 2013 7:44 am Post subject: |
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| Randy in Maine wrote: |
Most new bolts come with a stuff similar to Locktite Blue on them to help prevent the bolts from backing out.
That is what you want on there, not an anti-sieze. |
I can't really argue with that, but I seldom use locktite. I've not had problems with the screws backing out because of using lead plate. Something other than just putting them in dry needs to happen to help keep moisture off the threads. Locktite would do this, too. In theory, properly torqued, they wouldn't need locktite. In theory, right! |
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DirtyCossack
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Joined: January 29, 2012
Posts: 209
Location: Ft Sill, OK
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| Posted: Fri Apr 19, 2013 4:49 pm Post subject: |
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Hammering a cheap socket on worked best for me.
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rubbachicken
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Location: socal
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| Posted: Fri Apr 19, 2013 5:32 pm Post subject: |
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file a slight taper on the end of a 1/4" allen key socket, pound it in, bobs your uncle, i've never been beaten 
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obieoberstar
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Joined: March 07, 2002
Posts: 1127
Location: Tucson
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| Posted: Fri Apr 19, 2013 9:32 pm Post subject: |
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| i have had luck hammering a 12 point 12mm socket over the head of the bolt in question. |
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jtauxe 
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Joined: September 30, 2004
Posts: 5780
Location: Los Alamos, New Mexico
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| Posted: Sat Jun 03, 2017 9:06 pm Post subject: Re: How to Remove Stripped CV Bolts |
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I tried many of the above techniques to no avail.
What finally worked for me was th get under there with a hacksaw and actually saw off the bolt heads, at the shoulder. It was an unpleasant job, but it worked when nothing else would.
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ToolBox
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Joined: January 27, 2004
Posts: 3439
Location: Detroit, where they don't jack parts off my ride in the parking lot of the 7-11
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| Posted: Mon Jun 05, 2017 10:02 am Post subject: Re: How to Remove Stripped CV Bolts |
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| Air Chisel works great... Blast a V into the fastener and then walk it around. |
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jtauxe
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Joined: September 30, 2004
Posts: 5780
Location: Los Alamos, New Mexico
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| Posted: Mon Jun 05, 2017 10:09 am Post subject: Re: How to Remove Stripped CV Bolts |
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| ToolBox wrote: |
| Air Chisel works great... Blast a V into the fastener and then walk it around. |
Alas, I do not have access to compressed air. Well, my next door neighbor has a compressor, but I've not talked to him since before last November's election. 
I did notch the bolt head with a cold chisel and small sledge, and really wailed on it (as much as that can be done lying under a bus), but still could not get it to budge.
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John
"Travelling in a fried-out Kombi, on a hippie trail, head full of zombie..." - Colin Hay and Ron Strykert
http://vw.tauxe.net
1969 Transporter, 1971 Westfalia, 1976, 1977, 1976, 1977, 1971, 1973, 1977 Westfalias,
1979 Champagne Sunroof, 1974 Westfalia Automatic, 1979 Transporter, 1972 Sportsmobile, 1973 Transporter Wild Westerner, 1974 Westfalia parts bus, 1975 Mexican single cab *FOR SALE*, 1978 Irish 4-door double cab RHD
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Spike0180
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Joined: June 06, 2015
Posts: 2269
Location: Detroit, Michigan
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| Posted: Mon Jun 05, 2017 10:23 am Post subject: Re: How to Remove Stripped CV Bolts |
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Drill it and wack off the heads with a hammer/twist off with pliers. Remove the cv then grab the rest with vise grips, pliers, or your hand even. It'll come right out.
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jtauxe
Samba Member
Joined: September 30, 2004
Posts: 5780
Location: Los Alamos, New Mexico
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| Posted: Mon Jun 05, 2017 10:43 am Post subject: Re: How to Remove Stripped CV Bolts |
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| Spike0180 wrote: |
| Drill it and wack off the heads with a hammer/twist off with pliers. Remove the cv then grab the rest with vise grips, pliers, or your hand even. It'll come right out. |
In the end, the hacksaw was easier than drilling. Tried both.
_________________
John
"Travelling in a fried-out Kombi, on a hippie trail, head full of zombie..." - Colin Hay and Ron Strykert
http://vw.tauxe.net
1969 Transporter, 1971 Westfalia, 1976, 1977, 1976, 1977, 1971, 1973, 1977 Westfalias,
1979 Champagne Sunroof, 1974 Westfalia Automatic, 1979 Transporter, 1972 Sportsmobile, 1973 Transporter Wild Westerner, 1974 Westfalia parts bus, 1975 Mexican single cab *FOR SALE*, 1978 Irish 4-door double cab RHD
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surfbus23
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Joined: July 21, 2016
Posts: 383
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| Posted: Sat Nov 25, 2017 10:48 am Post subject: Re: How to Remove Stripped CV Bolts |
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| Digging up this old thread just to add my +1 for the Channel Lock 410. Worked like a charm. |
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tristanblue
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Joined: May 30, 2019
Posts: 294
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| Posted: Tue Sep 22, 2020 7:08 pm Post subject: Re: How to Remove Stripped CV Bolts |
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I have a bus out in the field, no power available just hand tools. Have the trans out and one axle off and all but ONE cv bolt loose on the other.
What would be best bet? This Channel locks 410 is THAT good huh? My Various vice grips would not touch it. |
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aeromech
Samba Member
Joined: January 24, 2006
Posts: 16971
Location: San Diego, California
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| Posted: Tue Sep 22, 2020 7:33 pm Post subject: Re: How to Remove Stripped CV Bolts |
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Small sharp chisel and a hammer. Smack the head rim towards the lefty loosy direction
_________________
Lead Mechanic: San Diego Air and Space Museum
Licensed Airframe and Powerplant Mechanic
Licensed Pilot (Single engine Land)
Boeing 727,737-200-300-400,757,767
Airbus A319,320,321
DC9/MD80
BAe146
Fokker F28/F100
VW type 1 1962,63,65,69,72
VW Type 2 1971 (3 ea.) 1978, 1969
VW Jetta
VW Passat
Capable of leaping tall buildings in a single bound |
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Wildthings
Samba Member
Joined: March 13, 2005
Posts: 50352
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| Posted: Tue Sep 22, 2020 7:39 pm Post subject: Re: How to Remove Stripped CV Bolts |
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| tristanblue wrote: |
I have a bus out in the field, no power available just hand tools. Have the trans out and one axle off and all but ONE cv bolt loose on the other.
What would be best bet? This Channel locks 410 is THAT good huh? My Various vice grips would not touch it. |
With the right bit a hand impact driver might do the job for you. Hand impact drivers are great tools and every classic VW mechanic should have one. You need a 2-4# hammer to go with it. |
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surfbus23
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Joined: July 21, 2016
Posts: 383
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| Posted: Tue Sep 22, 2020 8:01 pm Post subject: Re: How to Remove Stripped CV Bolts |
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| The 410 is the ticket. The chisel sounds like it should work, but if you want to get this done the first time and without a lot of trouble buy the 410s. I haven't found a lot of other use for them, but I'm happy to have them in my toolbox knowing they will save me again on something else in the future. |
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