Differential fluid due
Differential fluid due I have a q about the maintenance on the differential. It is leaking need a new one. Got everthing I need;Fel-pro gasket, differential 10 bolt cover, RTV sealant, Mobil 1 gear fluid and differential additive. Does the sealant go under the gasket or over? Well aif anyone can help please do? 
I used RTV-type sealant on the gasket and my MAC
girdle-cover and a month later when we took it off
to do the T-2R/gear swap the gasket just fell right off
(it had been stuck down wet so as to glue it). So much
for "sealing". I think you're better off with something
other than RTV (though it does appear to make a fine
release agent). If you want it to stay stuck I would use
something like the Permatex copper gasket adhesive
(my personal fave for just about everything) and stick
it to the cover (the pumpkin will drool residual gear oil
for a while making it hard to clean and stick). Check
the cover for flatness about the bolt-holes. If it's got
little indents (bumps on the business side) you may want
to gently slap it flat with a hammer and backing steel
block (or, shade-tree style, I have used the kitchen counter
but this is best done while renting
).
You don't need the additive if you have a Torsen and
you probably want a thicker, non-synthetic oil too
(this should improve the torque biasing limits marginally,
or so I've heard). Might check the archives on these
areas and see what the relative weight of conflicting
advice tells you.
Be prepared to find a nice load of shavings....
girdle-cover and a month later when we took it off
to do the T-2R/gear swap the gasket just fell right off
(it had been stuck down wet so as to glue it). So much
for "sealing". I think you're better off with something
other than RTV (though it does appear to make a fine
release agent). If you want it to stay stuck I would use
something like the Permatex copper gasket adhesive
(my personal fave for just about everything) and stick
it to the cover (the pumpkin will drool residual gear oil
for a while making it hard to clean and stick). Check
the cover for flatness about the bolt-holes. If it's got
little indents (bumps on the business side) you may want
to gently slap it flat with a hammer and backing steel
block (or, shade-tree style, I have used the kitchen counter
but this is best done while renting
).You don't need the additive if you have a Torsen and
you probably want a thicker, non-synthetic oil too
(this should improve the torque biasing limits marginally,
or so I've heard). Might check the archives on these
areas and see what the relative weight of conflicting
advice tells you.
Be prepared to find a nice load of shavings....
TECH Fanatic
Joined: Dec 2001
Posts: 1,060
Likes: 0
From: MI
If you have the Auburn rear end you don't want to use Mobil 1, you need to use a non-synthetic gear lube. you'll only want 1 oz of posi. additive and don't use a gasket what you want is ThreeBond liquid gasket 1104. Most Motorcycle shops carry it and most rear end shops use it, oil won't hurt it and it just works great.
