Bus Center Pin Replacement (Long, MANY pics)

chrisflstf · Posted: Mon Jul 01, 2013 8:49 am Post subject:

Before using the sleeve retainer - CLEAN all surfaces really good. It wont adhere if grease is in there. Acetone works good. Let it cure for 24hrs

kenshapiro2002 · Posted: Mon Jul 01, 2013 11:22 am Post subject:

Just "glued" the bottom bushing in (Permatex sleeve retainer). Needs 24 hrs. to fully cure so I'll be reaming tomorrow.

If anybody needs to use my drift tool to remove or install their bushings, you can borrow mine...won't be suing it again any time soon. $5 to ship it USPS Priority Mail.

kenshapiro2002 · Posted: Tue Jul 02, 2013 9:23 am Post subject:

Reaming went easily. Almost back together...a few more hours and I'll drive her. Bet it'll be nice since she has new tie rods , new damper and new center pin all of which were shot to hell:

Image may have been reduced in size. Click image to view fullscreen.

zozo · Posted: Tue Jul 02, 2013 10:41 am Post subject:

Congrats Ken. If yours is improved as much as mine was, you'll be nearly overwhelmed by that magnitude of the change. I'm still stunned every time I drive mine.

kenshapiro2002 · Posted: Tue Jul 02, 2013 10:45 am Post subject:

kenshapiro2002 · Posted: Tue Jul 02, 2013 12:43 pm Post subject:

Oh yeah...all buttoned up, and test driven. Like night and day.

mandraks · Posted: Tue Jul 02, 2013 2:22 pm Post subject:

nice work. wer gut schmiert, der gut faehrt as they say Smile

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cru62 · Posted: Wed Jul 03, 2013 4:54 am Post subject:

Ken-Would you mind posting the brand of the parts you installed and where you bought them? Also, please update us at some point down the line regarding how everything is holding up and what, if anything, you would have done differently.

The pic of the underside of your bus makes me smile. It looks tidy and well-loved. Thanks for sharing.
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kenshapiro2002 · Posted: Thu Jul 18, 2013 9:14 am Post subject:

slow1964 · Samba Member Joined: October 07, 2004 Posts: 36

Great thread, I am having a hard time locating the reamer locally, has anyone tried with any sort of success the second method mentioned in the Muir book. It says you can bring the bushings to a machine shop and have them matched to the pin prior to installation.

thanks.

zozo · Posted: Mon Aug 12, 2013 5:21 pm Post subject:

vdubdan · Samba Member Joined: June 16, 2004 Posts: 151

I just did a search. I bought my reamer and drift from this Samba advertiser and would highly recommend getting both tools.

http://www.thesamba.com/vw/classifieds/detail.php?id=1294858

kenshapiro2002 · Posted: Mon Aug 12, 2013 5:47 pm Post subject:

If anybody wants to borrow my drift, just lemme know. I rented the reamer from WW for $25. Unless you're planning on doing multiple center pins in your lifetime...

zozo · Posted: Mon Aug 12, 2013 6:14 pm Post subject:

earlywesty · Posted: Mon Aug 12, 2013 7:35 pm Post subject:

JohnnyBfromPeoria · Posted: Fri Dec 06, 2013 10:55 am Post subject:

I also just completed the pin replacement job on my neighbor's '67 bus. I was also investigating the shift linkage slop, so I had the front section of the linkage out of the vehicle, which proved to be handy for clearance, since I didn't have a need to modify a clamp to compress the pin assembly; it fit with no problems as it was.

I also purchased all the components from Wolfsburg West, along with the reamer rental ($200 deposit, $175 refundable upon return). The pin kit was something like $45, as I recall, and for a '67, you use every piece. A heat gun is handy to warm up the large sealing washer, as even when I had it sitting in hot water to soften it, it would cool down very quickly when I took it out to dry and then grease it.

To remove and reinstall the bushings, I used a large socket over the top of the frame, straddling the pin's hole, with a 9" carriage bolt with a 1/2" shank that fit the socket's drive running through the hole, and a 13/16" Craftsman 1/2" drive socket on the bottom, followed by a washer and nut. Then you simply tighten the nut and it squeezes together, forcing the bushings up and into the opening under the large socket. As the nut travels up the carriage bolt, add more sockets under the one pushing the bushings so you can still reach the nut.

I put the new bushings in the freezer before I installed them. It's a technique I use with bearing races on other vehicles and the very small amount of shrinkage it gives makes things just a touch easier to put together.

I don't have any flat feeler gauges, so I used my caliper to determine that a penny is just at the minimum measurement for the protrusion of the top bushing and a quarter is just right, so I used those to make that determination.

The reamer makes it sound like you have a very angry chicken squawking under the car every time you turn it! Be aware that the WW rental has a very large shank, and unless you own a gigantic tap wrench, you're going to need to use a 12-point socket to turn it.

Steering feels much better now.

John B.
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electronictofu · Posted: Thu Feb 06, 2014 11:16 pm Post subject:

My application looks a little different than in my manual and some of the ones posted. Im hoping to get this verified before I torque things up this weekend.

From what I've gathered from here, my manual and WW Nate. I do it in this order:

Lower washer. Then on the top, large white rubber washer, spring washer, dust cap, large metal washer, small rubber ring/ swing arm. Done.

As far as spacing the large metal washer (Bottom right in the photo) sitting on the top would be good, and I think that's what Nate meant when he told me. But the inner diameter of this washer is quite a bit larger than the center pin, I want to make sure it won't wobble or budge around and funk things up? Here's a couple photos to reference.

conrad1468 · Posted: Fri Feb 07, 2014 10:43 am Post subject:

Hazetguy,
Can you provide a seller that sells these bolts? Plus what size bolts and threads? You specify the DIN spec but not size. Do you sell the correct bolt?
Thank you!

johny__utah · Posted: Thu Feb 20, 2014 10:01 am Post subject:

Great write up!! Ive replaced a couple and used your post as reference, thanks! You guys know where i can source the kit minus the pin and bushings?? mine is in perfect shape (low milage) beam. Disassembled for inspection and paint. only want/need the washer kit.

Stocknazi · Samba Member Joined: June 18, 2004 Posts: 5150

I am replacing the center pin on my April 57 beam and have a couple quick questions before I proceed.

My beam had shims and the earlier spring washer under the swing arm and no cap.
Do the instructions for lining up the grease groove on page 1 apply to my beam? I know the top bushing should sit flush with the top, my concern is with the groove being in the proper place.

Also, when reaming the new bushings, is it best to ream them dry, or should I use some oil on the reamer? I also thought about using some grease on the reamer to catch some of the shavings.
Is there any downsides from using a socket to turn the reamer? I do not have a large driver at the moment.
Comments?
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Bus Center Pin Replacement (Long, MANY pics)
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