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grease flinging from uni joints?

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tweety Wolfsburg Wizard

460 posts · joined Feb 2011 ·

#986544
Hi all. am overhauling all the running gear on my trike.

For some time now I've had grease or oil covering one exhaust (there are two exhausts on the Subaru ea81)

Havent been able to find where though. It was always my thoughts that its coming from a wheel axle uni joint (probably wrong terminology) on the wheels end of the axle. see pic. there is no gasket there, just bolts up with the 6 bolts.

any help with advice on how to seal it?



www.youtube.com/watch?v=HXwh4z8d66o
SUBARU ea81, VW auto, Detour camper
My ex girlfriend said "its me or a trike". Her big mistake.

vw54 Administrator Always Waiting 4 Friday

16,723 posts · joined Aug 2002 ·

#986545
the CV joint seal on the output shaft on the gear box you must not have the wave washer under the 6 hex bolts make sure there tight

also replace the CV / axle boots with nex German brand
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

silver Dangerous when poked

2,169 posts · joined Dec 2002 ·

#986547
In plain English Check these seals, if you are having some axle movement these might be damaged and allowing gearbox oil into the joint

2 attachments · Log in to view

Keeping it real !

matberry Moderator Go hard or go home

8,114 posts · joined Mar 2006 ·

#986557
If it's grease, I'd say Dave is onto it. Looks like the joint is overloaded with grease, as Dave said, they need the serated lock washers and be VERY tight, also absolutely CLEAN on the mating faces that have been inspected for dead flat (no dings of divots), and use CV grease (it will handle the temp). VW's dont have the problem generally but Porsche use a gasket fitted to a recess in the cv, so you could put a bead of silicone around the edge of the flange upon installation.
Matt Berry Motorsports...air cooled advice, repairs and mods Ph 0408 704 662
OFF-ROAD,CIRCUIT,DRAG,STREET,ENDURANCE

vlad01 Compulsive Aussie Vee Dubber

4,270 posts · joined Jun 2010 ·

#986571
dont forget loctite 515 flange sealant on both sides of the CV, boot and tranny flange side. Tiny bit under each screw head is good idea too.

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

tweety Wolfsburg Wizard

460 posts · joined Feb 2011 ·

#986595
thanks guys, got the idea.

Silver.....there arent any of those blue seals on either side of the auto transaxle.
www.youtube.com/watch?v=HXwh4z8d66o
SUBARU ea81, VW auto, Detour camper
My ex girlfriend said "its me or a trike". Her big mistake.

silver Dangerous when poked

2,169 posts · joined Dec 2002 ·

#986645
tweety wrote:thanks guys, got the idea.

Silver.....there arent any of those blue seals on either side of the auto transaxle.
Hmm show us a pic of the shafts they should be there otherwise oil will "fling out"
Keeping it real !

tweety Wolfsburg Wizard

460 posts · joined Feb 2011 ·

#986664
Remember silver- its and auto. Here it is and the corresponding CV Cheers Tony



www.youtube.com/watch?v=HXwh4z8d66o
SUBARU ea81, VW auto, Detour camper
My ex girlfriend said "its me or a trike". Her big mistake.

vw54 Administrator Always Waiting 4 Friday

16,723 posts · joined Aug 2002 ·

#986672
the seal on the output shaft is on the outside of the axle not the inner
the blue thing is just a dust plug to cover the attach bolt through the output axle
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

tweety Wolfsburg Wizard

460 posts · joined Feb 2011 ·

#986725
mmm, seems that the loctite on the mating surfaces and little on the bolts is the way to go. you can see from my pics there is grease between them.
www.youtube.com/watch?v=HXwh4z8d66o
SUBARU ea81, VW auto, Detour camper
My ex girlfriend said "its me or a trike". Her big mistake.

silver Dangerous when poked

2,169 posts · joined Dec 2002 ·

#986735
vw54 wrote:the blue thing is just a dust plug to cover the attach bolt through the output axle
Incorrect…. this is an oil seal
Keeping it real !

matberry Moderator Go hard or go home

8,114 posts · joined Mar 2006 ·

#986756
silver wrote:
vw54 wrote:the blue thing is just a dust plug to cover the attach bolt through the output axle
Incorrect…. this is an oil seal
Yep, there are two paths for the oil to get out. Around the outside of the CV flange where the outside seal is and through the spline between the flange and axle where the blue plug does it's job.
Matt Berry Motorsports...air cooled advice, repairs and mods Ph 0408 704 662
OFF-ROAD,CIRCUIT,DRAG,STREET,ENDURANCE

tweety Wolfsburg Wizard

460 posts · joined Feb 2011 ·

#986771
thanks for your replies. apparently the seals on the axle housing are leaking. seems this is where the oil is coming from. A mechanic friend dropped in and said its oil not grease. so it must be differential oil.
www.youtube.com/watch?v=HXwh4z8d66o
SUBARU ea81, VW auto, Detour camper
My ex girlfriend said "its me or a trike". Her big mistake.