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914World.com _ 914World Garage _ Type 4 rear main seal: which kind doesn't leak as much?

Posted by: 98101 Feb 11 2018, 04:59 PM

I'm finding contradictory information online about which kind of rear main seal I should use when we go in to fix the oil leaks. VW, Sabo? We'll be swapping the transaxle anyway, and investigating the clutch slipping. Are there any new findings about which kind doesn't leak oil?

I guess this should be called "engine to flywheel" seal instead of "rear" since it would face the front on a VW bus.

Posted by: injunmort Feb 11 2018, 05:06 PM

i used an ehrling, 2 years no problems

Posted by: Perry Kiehl Feb 11 2018, 05:17 PM

The only one I could find that was the correct size was Sabo, I get them from gowesty.com

Posted by: saigon71 Feb 11 2018, 08:28 PM

QUOTE(Perry Kiehl @ Feb 11 2018, 06:17 PM) *

The only one I could find that was the correct size was Sabo, I get them from gowesty.com


agree.gif

After blowing a rear main on initial startup of a fresh rebuild, I researched and found that SABO seems to be "the best."



Posted by: Marty Yeoman Feb 11 2018, 08:56 PM

Black or orange? Which is which?

Posted by: saigon71 Feb 12 2018, 06:09 AM

The SABO I installed was black.

Posted by: The Cabinetmaker Feb 12 2018, 06:24 AM

Sabo. Period!

Posted by: Philip W. Feb 12 2018, 06:56 AM

QUOTE(injunmort @ Feb 11 2018, 06:06 PM) *

i used an ehrling, 2 years no problems


I am pretty sure mine is Ehrling, 4+ years now, no leaks- did this when I did full clutch job and transmission rebuild from Dr. Evil clinic-

Dr. Phil

Posted by: Perry Kiehl Feb 12 2018, 07:04 AM

gowesty.com has the one you want. Here's an article they wrote about the RMS

http://www.gowesty.com/tech-article-details.php?id=60

Posted by: Philip W. Feb 12 2018, 09:38 AM

QUOTE(Perry Kiehl @ Feb 12 2018, 08:04 AM) *

gowesty.com has the one you want. Here's an article they wrote about the RMS

http://www.gowesty.com/tech-article-details.php?id=60



interesting read Perry - so it will be interesting to see if my new RMS on the boxster will last or how long, just did the clutch and IMS , it took it in thinking I had an RMS leak but it was not leaking , it was leaking from the IMS seal , but while we did all that work the shop wanted to know if I wanted to do a new RMS since the flywheel was being replaced too- so I said yes thinking new would be better and old original will start to leak - I might be wrong depending on which seal they used! ugh. time will tell! I have no idea which brand they used- hope it was OEM or the Brazil one!

Posted by: Montreal914 Feb 12 2018, 09:53 AM

Just did my clutch a couple weeks ago. After reading about it on GoWesty, I ordered their Sabo.
Definitely a nice part, much larger contact surface to the engine block. Flywheel mating surface needs to be smooth.
Time will tell...

Posted by: 98101 Feb 13 2018, 04:04 AM

Ordered. Thanks for the help.

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