My rear end is leaking :/ Just need some guidance or .02

Huxley · October 5th, 2009, 12:57 AM

I figure it shouldn't be a difficult job. It's leaking because I was on a dirt road to get to a gun range(Thats Texas for ya) and well it put a small bend on my pan and the sealant seem to have slipped out and well I leaked a little fluid. I love my Stang so I plan on fixing it.

I know I gotta jack her up, support the body on jack stands and the rear end as well.

Unbolt the pan and drain rear end.

correct the bend

apply Gasket maker(I got the Permatex Ultra Black gasket maker)

Bolt up pan

take off plug and put in about 3 quarts of differential fluid and done!

Am I doing it rite?

skuzzy · October 5th, 2009, 01:42 AM

im pretty sure thats it, i had the same problem but i just took it to a shop because some idiot there didnt tighten up the bottom bolts and got it done for free

Huxley · October 5th, 2009, 02:21 AM

Yeah, if i were to take it to a shop it would have cost me $250 bucks. Right out the pocket. I only spent 75 bucks for the sealant and fluid.

Cobra GT · October 7th, 2009, 03:44 AM

You missed one thing friction modifier, Fords part # F3TZ-19B546-MA (WSP-M2C196-MA). It's a 5 oz bottle, put that in first after you have it sealed up then refill with synthetic (3.75 pints) if you can afford it(Mobil 1 80W90). Just a suggestion I would use Permatex "ultra copper" for gasket maker, the material is orange and it’s in an orange tube. I have sealed up a few of those 8.8's and had no problem. Usually the diff covers get bent from jacking the car up under the chunk, if you pay attention and move the jack forward a little you can prevent this problem. I hope this helps.

Jakashh · October 7th, 2009, 04:09 AM

Adult diapers?

97S281 · October 7th, 2009, 05:30 PM

put a little permatex on the bolts as well, otherwise your fluid may "walk" up the threads and leak out from the bolts.

You may also want to wear some clothes you are not too fond of. I don't think gear oil ever really comes out of anything and the smell is extremely strong.

Huxley · October 8th, 2009, 01:29 AM

Originally Posted by Cobra GT

You missed one thing friction modifier, Fords part # F3TZ-19B546-MA (WSP-M2C196-MA). It's a 5 oz bottle, put that in first after you have it sealed up then refill with synthetic (3.75 pints) if you can afford it(Mobil 1 80W90). Just a suggestion I would use Permatex "ultra copper" for gasket maker, the material is orange and it’s in an orange tube. I have sealed up a few of those 8.8's and had no problem. Usually the diff covers get bent from jacking the car up under the chunk, if you pay attention and move the jack forward a little you can prevent this problem. I hope this helps.

Well I got the Mobil 1 so that's no problem. The gasket maker i got is the Permatex Ultra Black gasket maker. I got the Ultra black since it hi-temp resistance and oil resistance. The differential cover got bent after i took it on a dirt road.

Cobra GT · October 8th, 2009, 02:26 AM

The Ultra Copper is the best gasket maker that Permatex makes, but what you have should do the trick, just need to go to Ford and get the modifier and you’re ready. Also you will need one of those $3 pumps at the parts store to pump the gear oil in with. Note when you jack the car up put your stand under the front control arm joints or the chassis so the rear end hangs down. Don’t put them under the axle tubs. It makes it easer to unscrew the plug in the chunk and refill the oil. Good luck.

v606er · October 8th, 2009, 02:32 AM

butt plugs and some bondo should do the trick

October 5th, 2009, 12:57 AM	#1
Huxley Regular 2001 Mustang GT N/A Join Date: Feb 2009 Location: Miami, FL Posts: 458 iTrader: 1 reviews	My rear end is leaking :/ Just need some guidance or .02 I figure it shouldn't be a difficult job. It's leaking because I was on a dirt road to get to a gun range(Thats Texas for ya) and well it put a small bend on my pan and the sealant seem to have slipped out and well I leaked a little fluid. I love my Stang so I plan on fixing it. I know I gotta jack her up, support the body on jack stands and the rear end as well. Unbolt the pan and drain rear end. correct the bend apply Gasket maker(I got the Permatex Ultra Black gasket maker) Bolt up pan take off plug and put in about 3 quarts of differential fluid and done! Am I doing it rite?

October 7th, 2009, 03:44 AM	#4
Cobra GT Regular 1997 Cobra Join Date: Dec 2008 Location: New Orleans, La. Posts: 140 iTrader: 1 reviews	You missed one thing friction modifier, Fords part # F3TZ-19B546-MA (WSP-M2C196-MA). It's a 5 oz bottle, put that in first after you have it sealed up then refill with synthetic (3.75 pints) if you can afford it(Mobil 1 80W90). Just a suggestion I would use Permatex "ultra copper" for gasket maker, the material is orange and it’s in an orange tube. I have sealed up a few of those 8.8's and had no problem. Usually the diff covers get bent from jacking the car up under the chunk, if you pay attention and move the jack forward a little you can prevent this problem. I hope this helps. __________________ 96 GT (sold) 97 Cobra 93 Ranger 03/04 Cobra (needed) Last edited by Cobra GT; October 7th, 2009 at 03:52 AM.

October 7th, 2009, 04:09 AM	#5
Jakashh hello Join Date: Dec 2007 Posts: 10,410 iTrader: 1 reviews	Adult diapers? __________________ "It's okay to eat fish 'Cause they don't have any feelings. Something in the way, mmm Something in the way, yeah, mmm" -Kurt Cobain

October 7th, 2009, 05:30 PM	#6
97S281 Rollin' 18/ pushin' 2 1997 Saleen S281 Join Date: Feb 2007 Location: Zebulon N.C. Posts: 6,253 iTrader: 13 reviews	put a little permatex on the bolts as well, otherwise your fluid may "walk" up the threads and leak out from the bolts. You may also want to wear some clothes you are not too fond of. I don't think gear oil ever really comes out of anything and the smell is extremely strong. __________________ MODS IN GARAGE NCMM ORIGINAL BLOWN 96-98 CREW MEMBER # 1

October 8th, 2009, 02:26 AM	#8
Cobra GT Regular 1997 Cobra Join Date: Dec 2008 Location: New Orleans, La. Posts: 140 iTrader: 1 reviews	The Ultra Copper is the best gasket maker that Permatex makes, but what you have should do the trick, just need to go to Ford and get the modifier and you’re ready. Also you will need one of those $3 pumps at the parts store to pump the gear oil in with. Note when you jack the car up put your stand under the front control arm joints or the chassis so the rear end hangs down. Don’t put them under the axle tubs. It makes it easer to unscrew the plug in the chunk and refill the oil. Good luck. __________________ 96 GT (sold) 97 Cobra 93 Ranger 03/04 Cobra (needed)

October 5th, 2009, 02:21 AM	#3
Huxley Regular 2001 Mustang GT N/A Join Date: Feb 2009 Location: Miami, FL Posts: 458 iTrader: 1 reviews	Yeah, if i were to take it to a shop it would have cost me $250 bucks. Right out the pocket. I only spent 75 bucks for the sealant and fluid.

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