Replacing rear main seal

urban_myth Officially Full-On Dubber

354 posts · joined Jan 2005 · 26 Apr 2006, 12:58 am

#480482

Whats the proper way to put a new rear main seal in? I've already stuffed one up. Its a 1600 twin port. Is there any trick to it?

hellbugged 48's and straight cuts

5,080 posts · joined Apr 2003 · 26 Apr 2006, 7:24 am

#480496

use a tool to pull em in with the gland nut.

tool is like a super oversized washer, under the nut whala!

vw54 Administrator Always Waiting 4 Friday

16,723 posts · joined Aug 2002 · 26 Apr 2006, 7:29 am

#480497

use the instalation tool to make it sit in correct

I read it on FACEBOOK so it must be true

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bond Veteran Volks Folk

2,456 posts · joined Jul 2003 · 26 Apr 2006, 8:31 am

#480516

i have always just used a rubber mallet....

with much caution obviously

nick

urban_myth Officially Full-On Dubber

354 posts · joined Jan 2005 · 26 Apr 2006, 9:41 am

#480533

vw54 wrote:use the instalation tool to make it sit in correct

Where do you buy this tool?

vw54 Administrator Always Waiting 4 Friday

16,723 posts · joined Aug 2002 · 26 Apr 2006, 9:43 am

#480535

I bought mine from Gene Berg bout 25 years ago, you can try Vintage 9789-1777 they may have in stock

I read it on FACEBOOK so it must be true

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http://forums.aussieveedubbers.com/viewtopic.php?tid=4832&page=1#pid452603

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Euro_67 Wolfsburg Wizard

690 posts · joined Oct 2003 · 26 Apr 2006, 5:47 pm

#480686

Go Dave!

Joel Now containing 100\% E-Wang

9,368 posts · joined Feb 2006 · 26 Apr 2006, 7:46 pm

#480764

i've always just used a large flat piece of wood to tap in it evenly
never had any probs
just chamfer the case edge with a stanley to remove any burs that might stuff the new seal and put a bead of sealant around the seals outer edge
tap in gently & bobs ur aunty
make sure to get ur endfloat right before hand too

Joel

Craig Torrens 6 times Australian, 7 times State Hillclimb Class Champion

8,040 posts · joined Jan 2003 · 26 Apr 2006, 8:28 pm

#480789

Wynns Stop leak !!

urban_myth Officially Full-On Dubber

354 posts · joined Jan 2005 · 26 Apr 2006, 11:38 pm

#480920

Hitting it with a flat piece of wood would get it flush with the case, but how do you push it in past this point? I can get it flush with the case easy enough. I have also been putting it in dry. Are you meant to use any sort of lube or anything?

Joel Now containing 100\% E-Wang

9,368 posts · joined Feb 2006 · 26 Apr 2006, 11:43 pm

#480923

it shouldnt be in any further its meant to be flush with the case flange other wise it wont seal on the flywheel properly

Joel

1500S Custom Title Time!

1,418 posts · joined Mar 2005 · 27 Apr 2006, 6:08 am

#480960

For those with access to a lathe, this is what the insertion tool looks like.

DH

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bond Veteran Volks Folk

2,456 posts · joined Jul 2003 · 27 Apr 2006, 10:04 am

#481002

"insertion tool"......

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

11,654 posts · joined Aug 2002 · 27 Apr 2006, 10:46 am

#481009

I aways use some lubricant/gasket cement or even a fine film of silastic around the seal....
Knock it in flush with a wide thick flat piece of wood or a large socket... I usually use a large socket, but My Son had a couple of special tools made... the seal needs to go in just below flush or the flywheel can contact the seal...

also put a couple of drops of oil in between the two seal lips in the centre and run the oil around the lips with Your finger..
this stops the oil seal from wearing prematurely because its not lubricated.... an old mechanics trick...

best of luck

Lee

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

urban_myth Officially Full-On Dubber

354 posts · joined Jan 2005 · 27 Apr 2006, 1:07 pm

#481047

Thanks for the tips guys, got it in. What happens if I dont check the endfloat and just bolt up the flywheel?

1500S Custom Title Time!

1,418 posts · joined Mar 2005 · 27 Apr 2006, 8:38 pm

#481208

You should read your manual once more or get someone else to build your motor!

DH

PS. > "insertion tool"......< What do you mean Bond? We can use the term insert or install the seal in the crankcase if that is what is puzzling.

[ Edited on 27/4/2006 by 1500S ]

Craig Torrens 6 times Australian, 7 times State Hillclimb Class Champion

8,040 posts · joined Jan 2003 · 27 Apr 2006, 8:59 pm

#481212

urban_myth wrote:Thanks for the tips guys, got it in. What happens if I dont check the endfloat and just bolt up the flywheel?

End float should stay the same if you are using the same flywheel and you have not removed or added any shims...............................if you have changed something then.....................well expect the motor to "lock up" at some stage :P

Bizarre Moderator The artist formerly known as blue74l

12,789 posts · joined Aug 2002 · 27 Apr 2006, 9:09 pm

#481215

Push and pull once your finished.

You should hear it - not feel or see it (movement)

Your rockers move .006" so you get the idea

Futue te ipsum!!!

urban_myth Officially Full-On Dubber

354 posts · joined Jan 2005 · 27 Apr 2006, 11:51 pm

#481291

Craig Torrens wrote:
urban_myth wrote:Thanks for the tips guys, got it in. What happens if I dont check the endfloat and just bolt up the flywheel?
End float should stay the same if you are using the same flywheel and you have not removed or added any shims...............................if you have changed something then.....................well expect the motor to "lock up" at some stage :P

Well, I havent changed anything, the motor hasnt been rebuilt, I just pulled the flywheel off to change the rear main seal.

[ Edited on 27-4-2006 by urban_myth ]

1500S Custom Title Time!

1,418 posts · joined Mar 2005 · 28 Apr 2006, 6:12 am

#481321

In that case, just put it back together. Wasn't clear if it was a re-build or replace. If you can, it's still a good idea to check endfloat on a used engine as it can also pick up a loose No. 1 bearing in its housing.

vw54 Administrator Always Waiting 4 Friday

16,723 posts · joined Aug 2002 · 28 Apr 2006, 7:16 am

#481328

B 4 you put the seal and flywheel back on CHECK to see if the rear bearing is moving in the case as this is a common cause of oil leaking and no matter how many new seasl you fit it will still leak.

fixing this requires engine stripping

I read it on FACEBOOK so it must be true

http://forums.aussieveedubbers.com/viewtopic.php?tid=91278&page=1#pid848630

http://forums.aussieveedubbers.com/viewtopic.php?tid=63561&page=1#pid624099

http://forums.aussieveedubbers.com/viewtopic.php?tid=4832&page=1#pid452603

http://forums.aussieveedubbers.com/viewtopic.php?tid=60650&page=1#pid574409