The Camaro Club (UK)
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Diff Gasket question
http://classiccamaroclub.mfatw.com/viewtopic.php?f=1&t=3158
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Author:  bigkieko [Thu Jun 13, 2013 12:56 pm ]
Post subject:  Diff Gasket question

Just bought a diff gasket for my 99 Z28 M6 as I fancy changing the diff oil seeing as the rest has been done. Kinda hoping its the right one.

What year Camaro had the same 10 bolt rear end? I`m guessing the 93-97 LT1 engined cars have the same rear end (internals and gearing aside) as the 98-02s? The net is full of conflicting info.

Cheers

Author:  chevy-stu [Thu Jun 13, 2013 1:00 pm ]
Post subject:  Re: Diff Gasket question

Does Jegs or Summit website help with a vehicle search.. ?

Author:  bigkieko [Thu Jun 13, 2013 1:11 pm ]
Post subject:  Re: Diff Gasket question

Thanks, I`ll try that. Changing my huge sig pic here. :lolno:

Author:  Z28DUNC [Fri Jun 14, 2013 11:54 am ]
Post subject:  Re: Diff Gasket question

Na later cars have a different diff but they might have the same gasket, not sure.

My advice, don't take the cover off. Use a syringe and some tube and syphon the old oil out and put the new stuff in + GM Diff Additive, very important that bit.

Author:  bigkieko [Fri Jun 14, 2013 3:11 pm ]
Post subject:  Re: Diff Gasket question

Quote:
Na later cars have a different diff but they might have the same gasket, not sure.

My advice, don't take the cover off. Use a syringe and some tube and syphon the old oil out and put the new stuff in + GM Diff Additive, very important that bit.
You know what Dunc. I had thought of that. I had actually went and got a big syringe and pipe but figured I would get out most of the oil so bought a gasket to let it all out. Whats the deal with taking the cover off. Does it leak or what? I`ve got the diff additive anyway even though i`ve read it`s not necessary for a Torsen diff. It`ll do no harm so its going in anyway ;)

Author:  Z28DUNC [Mon Jun 17, 2013 12:14 pm ]
Post subject:  Re: Diff Gasket question

You have to make sure you get all of the old gasket of the casings as it tends to stick to them. Sometimes getting them to seal can be a problem. You should be ok though. Getting the oil back in through the little hole at the top of the cover is fun, not!

Author:  maudyZ28 [Mon Jun 17, 2013 1:55 pm ]
Post subject:  Re: Diff Gasket question

right guys, my advice would be to take gasket off, entirely and make an RTV sealent new one. I rebuilt my diff and did this, no leaks, way better than a crappy paper gasket.

93-02 are same diff housing, brakes are different as is the differential unit

98-02 cars LS1 - do not require additive with the ZEXEL torsen diff, it is not an LSD it is a posi traction torque biasing diff - the aditive will help reduce something called the 'rusty screq' problem where the diff can squeak or rattle sometimes, i've never had this so cannot comment. i've used redline shock oil in mine, but then you read some reccoment and some dont as it reduced the gear friction also - not idea, it works in mine so i;m happy

Finally, on the diff cover there is a magnet, hence I recommend taking the cover off to get all the fine bits of metal crap off and wiped out. You'll have fun putting oil back in and it WILL go down your arm :D

Author:  bigkieko [Mon Jun 17, 2013 7:00 pm ]
Post subject:  Re: Diff Gasket question

Ok guys. Diff oil changed. No dramas at all. Anti roll bar was taken out of the way and the bolts came off by hand after the initial crack of the ratchet. Oil was left to drain while I had a brew. Here`s a pic or two I took. Differential looks clean and unmarked. Don`t know what the number is.


Image

Also the cover looked fine. Is this the magnet? The round thing? There was nothing on it.


Image


Gasket was used and sealant. All the old gunk was stanley knived off and a quick sand with emery paper.

I used 75w90 and this stuff (figured it would do no harm)

Image

Rear end absolutely quiet as a church mouse. :thumbup:

Author:  3rdGenmalc [Mon Jun 17, 2013 9:17 pm ]
Post subject:  Re: Diff Gasket question

Quote:
Does Jegs or Summit website help with a vehicle search.. ?
Summit has a year, make and model search for parts.
Jegs I don´t know, their shipping is too expensive so I don´t use them.

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