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Bolt size

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Skremn01 Casual Dubber

31 posts · joined Mar 2011 ·

#836580
ver silly but easy question.

I have a 63 beetle. I need to replace the rear wheel cylinders. What size is the bolt, that locks the drum onto the cv? it is seriosly huge, And my largest scket 31m isnt bigg enough..

dangerous 23 Windows of Awesome

5,901 posts · joined Jan 2005 ·

#836582
36mm
westi wrote:That's mad Alan.

Skremn01 Casual Dubber

31 posts · joined Mar 2011 ·

#836673
Know where I can get these? Been super cheap repco, and buntings.. No dice.. Even went to the dub place in Pendle hill who advices me a tool Place across the road still no dice. I'm in western syd by the way.

shokwave2 Officially Full-On Dubber

289 posts · joined Mar 2010 ·

#836682
I bought a 1/2 inch breaker bar from Bunnings and used with a 36mm deep socket bought from a local auto supply store, along with a 1m piece of galvanised pipe as leverage.

Skremn01 Casual Dubber

31 posts · joined Mar 2011 ·

#836727
thanks guys.. after hunting through 7 auto parts places.. i finally found one..

68AutoBug Beetle Restorer - Experience over 138\% - YIKES --

11,654 posts · joined Aug 2002 ·

#836732
Skremn01 wrote:ver silly but easy question.

I have a 63 beetle. I need to replace the rear wheel cylinders. What size is the bolt, that locks the drum onto the cv? it is seriosly huge, And my largest scket 31m isnt big enough..
The 36mm socket is sold by Most VW shops...
I know Micks Motors keep them...

If the nut has previously been off and has anti seize or Moly grease on the thread it will come off using a Metre or 5 ft piece of 1 1/2 inch pipe on a breaker bar...

Mine was on VERY tight..
snapped off My Sons favorite 1/2 inch Sidchrome breaker bar
YIKES... had to use a 3/4 inch breaker bar...
and swing off the end of it...
Best to undo that nut with the wheel still on the ground too..

so, a 1/2 inch breaker bar May snap off....
but a 3/4 inch one won't... You will of course need a 3/4 drive 36mm socket...

You can't use an adaptor for a 1/2 inch to 3/4 inch socket....

they are around 217 foot lks torque which is very High...

They also MUST be tightened the same way...
otherwise they WILL come loose...

cheers

LEE
- Helping keep Air Cooled VWs on the road - location: SCONE in the Upper Hunter Valley - Northern NSW 320 kms NNW of SYDNEY---

shokwave2 Officially Full-On Dubber

289 posts · joined Mar 2010 ·

#836760
shokwave2 wrote:I bought a 1/2 inch breaker bar from Bunnings and used with a 36mm deep socket bought from a local auto supply store, along with a 1m piece of galvanised pipe as leverage.
Actually, i used a 2m pipe now looking at it. Good luck.

Smiley Veteran Volks Folk

2,125 posts · joined Oct 2008 ·

#836965
68AutoBug wrote:You can't use an adaptor for a 1/2 inch to 3/4 inch socket....
Why not?

Smiley 😎
If you said I was a Volkswagen man, you'd be right.

Joel Now containing 100\% E-Wang

9,368 posts · joined Feb 2006 ·

#837198
This is just a generalisation not having a go at Shokwave or anyone else but why the hell do people even try and use 1/2" drive sockets on axle and flywheel nuts.

If you can crack them loose without breaking even a quality 1/2" drive breaker bar then the nut wasn't torqued up right.

vlad01 Compulsive Aussie Vee Dubber

4,270 posts · joined Jun 2010 ·

#837202
I used a 3/4" 40cm long? breaker and a smallish steel mallet. Tap, tap, tap, tap, off it comes.

I tried it also with a 1.5m long metal pipe 🙅 jumping on it. Didn't work even with a person on the brake the wheel still slipped.

Rattle gun also is not very effective. I find the small breaker/ shifter/ T handle and a small steel mallet to work better than anything else.

71 notchback,
Past owner of, 70 NB, 73 SB and 72 FB TLE

waveman1500 Also rides a Honda

1,346 posts · joined Dec 2009 ·

#837213
Joel wrote:This is just a generalisation not having a go at Shokwave or anyone else but why the hell do people even try and use 1/2" drive sockets on axle and flywheel nuts.

If you can crack them loose without breaking even a quality 1/2" drive breaker bar then the nut wasn't torqued up right.
This isn't true. I use a 1/2" drive 600mm long breaker bar on mine and it works fine. Just requires a large amount of elbow grease! My impact gun is 1/2" drive so it made sense to buy a 1/2" drive 36mm impact socket. I use both the rattle gun and breaker bar to get mine off.
1972 VW S-Bug - For Sale!
1968-onwards Beetle panels and glass for sale

Joel Now containing 100\% E-Wang

9,368 posts · joined Feb 2006 ·

#837216
Trust me, you're not doing them upto 220ft/lb then.
undoing the drivers side from that torque almost lifts the front wheels off the ground.

IRS isn't as critical, I just go by feel but swingers need that torque to keep the oil seal in check.

psimitar Son of Jim - Creator of Good

2,506 posts · joined Jan 2009 ·

#837221
my old 03 took 3/4 inch with a 3m scaffold pole to get that to crack 🙂
madness is in the eye of the beholder 👍