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Old 09-30-2004, 06:56 PM   #1
dreaminsubys
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1998 Legacy Outback

Question rear main seal 1998 2.5L

Does anyone know where I can find a seal driver big enough to put in the rear main seal on my 1998 Outback. The diameter of the seal is 3 3/4 inches. I've been able to track down the right tools for almost ever other part of my current head gasket replacement project excet this. Any help will be greatly appreciated.
Pete
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Old 09-30-2004, 09:01 PM   #2
Tim Sanderson
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Try starting the seal in there and then putting the flywheel on and snug up the bolts. Pull the flywheel back off and you should be able to "install" it in a little further with a 3/8 extention and light taps with a mallet. I had a bear of a time on an sti and decided to try this. It worked very well.
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Old 10-08-2004, 11:22 AM   #3
soccer_freak_m@hotma
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he's exactly right... any decent clutch change guide will tell you to change the rear main seal while you are in there. I did exactly what Tim says to do... works like a charm.
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Old 03-25-2006, 03:56 AM   #4
skunkfifty
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hate to dig up and old thread , but im also doing this on a 98 2.5L and wanted to know how far in should the seal be installed? just past flush with the back of the engine? as far as it will go?

what subarus spec on that? .734niner mm past flush? my fancy caliper will measure that depth, don't tempt me to use it. what happens if it's installed too deep? a leak would be my guess, or nothing at all?
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Old 03-25-2006, 10:00 AM   #5
skunkfifty
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im doing this today, a fast answer would be helpful please.
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Old 03-27-2006, 02:14 AM   #6
Tim Sanderson
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Outside flush. Too far and you cover an oil drain hole and it may leak. Check the snout of the flywheel for wear and/or oil residue. If you have oil residue then clean it out. If the old oil seal wore a grove then you could install in a little deeper. A thin film of sealant around the outside of the seal is good peace of mind.

Good luck.
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