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stevo96
Samba Member
Joined: May 13, 2012
Posts: 560
Location: Australia
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 Posted: Sun May 06, 2018 7:43 pm Post subject: What size hex tool? |
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Hi guys, before I round these off what is the correct size of hex/Allen key I need? Bus is a 70 lowlight.
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skills@eurocarsplus
Samba Peckerhead
Joined: January 01, 2007
Posts: 16903
Location: sticksville, ct.
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| Posted: Sun May 06, 2018 8:03 pm Post subject: Re: What size hex tool? |
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6mm
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Abscate
Samba Member
Joined: October 05, 2014
Posts: 22696
Location: NYC/Upstate/ROW
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| Posted: Mon May 07, 2018 12:30 am Post subject: Re: What size hex tool? |
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You will need a hex socket to crack those, they are tight. If you try that’s with a key, it will get ugly.
After you get the hex key deeply into each one, give it a shot of penetrant WD40, then rap them with a hammer few times
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Last edited by Abscate on Mon May 07, 2018 4:29 am; edited 1 time in total |
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Randy in Maine
Samba Member
Joined: August 03, 2003
Posts: 34890
Location: The Beach
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| Posted: Mon May 07, 2018 4:00 am Post subject: Re: What size hex tool? |
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| I had to use the socket attached to my impact driver to get those to come loose. |
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busman78
Samba Member
Joined: August 17, 2004
Posts: 4526
Location: Oklahoma City, OK
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| Posted: Mon May 07, 2018 4:59 am Post subject: Re: What size hex tool? |
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| Would not even attempt till applying a rust penetrant several times over a day or two, especially between the hinge and hatch for the treads are in the hatch. Not sure what you all have down under but Kroil or PB Baster work quite well. |
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Buggeee
Samba Member
Joined: December 22, 2016
Posts: 4431
Location: Stuck in Ohio
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vwwestyman
Samba Member
Joined: April 24, 2004
Posts: 5688
Location: Manhattan, Kansas, USA
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| Posted: Mon May 07, 2018 5:35 am Post subject: Re: What size hex tool? |
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I'd get one of the hex sockets for that job. In addition to liberal use of PB Blaster, I would take that socket and tap it with a hammer. I long-ago learned the "100 taps" trick. Basically use a hearty spray of penetrant, then rap fastener 50 times quickly-approximately 50 in 30 seconds with good sharp raps with a hammer. Then spray again, and rap another 50 times.
The raps help break up the rust.
Doesn't guarantee success every single time but it certainly does increase your odds of success.
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OB Bus
Samba Member
Joined: February 09, 2003
Posts: 2544
Location: Ocean Beach in Beautiful BLUE California
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| Posted: Mon May 07, 2018 7:17 am Post subject: Re: What size hex tool? |
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| vwwestyman wrote: |
I'd get one of the hex sockets for that job. In addition to liberal use of PB Blaster, I would take that socket and tap it with a hammer. I long-ago learned the "100 taps" trick. Basically use a hearty spray of penetrant, then rap fastener 50 times quickly-approximately 50 in 30 seconds with good sharp raps with a hammer. Then spray again, and rap another 50 times.
The raps help break up the rust.
Doesn't guarantee success every single time but it certainly does increase your odds of success. |
Tried all of those ideas. On 3 of the 4 bolts the head still stripped. When I swap out the rear hatch (being painted now) I will have to drill them out. Sigh.
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Stop dead photo links! Post your photos to The Samba Gallery!
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TDCTDI
Samba Advocatus Diaboli
Joined: August 31, 2013
Posts: 12875
Location: North Carolina
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| Posted: Mon May 07, 2018 7:22 am Post subject: Re: What size hex tool? |
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Get a Snap-On T-45 torx (low quality bits will shear off) socket & pound it into the stripped head & turn them out, works every time.
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tootype2crazy
Samba Member
Joined: October 08, 2007
Posts: 1276
Location: St. Louis Missouri
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| Posted: Mon May 07, 2018 7:23 am Post subject: Re: What size hex tool? |
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If you've got a welder weld a nut to that head and turn it off. Or sacrifice a 6mm allen key and weld it on. I've had to do that it works a treat because the heat from the weld breaks it loose in no time.
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Randy in Maine
Samba Member
Joined: August 03, 2003
Posts: 34890
Location: The Beach
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cdennisg
Samba Member
Joined: November 02, 2004
Posts: 20302
Location: Sandpoint, ID
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| Posted: Mon May 07, 2018 9:00 am Post subject: Re: What size hex tool? |
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| Randy in Maine wrote: |
| I had to use the socket attached to my impact driver to get those to come loose. |
This is my usual process, too.
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raygreenwood
Samba Member
Joined: November 24, 2008
Posts: 21536
Location: Oklahoma City
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| Posted: Mon May 07, 2018 10:39 am Post subject: Re: What size hex tool? |
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I have had a handful of impact drivers...and I must say I agree...the Lisle impact driver is the absolute best quality tool of its kind out there. There may be others...I just have not found any better.
The others are right as well. Get quality driver bits. The ones that come in the Lisle sets are excellent.
Heat those screws up a bit. You only need about 300 F. Then put penetrating oil on and give it a handful of sharp raps and then let it cool.
As others have noted the rapping sets up vibrations that crack teh rust a little.
The heat expands the rust and the metal and as it cools it draws in penetrating oil. The thinner the oil the better...so this may be one of the best locations for the acetone/ATF mix.
Then get after it with the impact driver. Use a 3 lb hand sledge....nothing less. Ray |
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timvw7476
Samba Member
Joined: June 03, 2013
Posts: 2213
Location: seattle
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| Posted: Mon May 07, 2018 1:13 pm Post subject: Re: What size hex tool? |
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another vote for impact driver!!!
I swear VW assembled those front doors/back hatches with unpainted
allen bolts, then came back amd gave them a protective coating of paint later,
making the 6mm tool a tight fit. I started hammering the allen portion in the
socket, then fitting the rest of the socket tool, then impact driver.
Nothing worse than rounding one of those little monsters. |
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