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-   -   Changing Rear Differential Fluid (http://www.camaro5.com/forums/showthread.php?t=161654)

Forza 07-28-2011 07:40 PM

Changing Rear Differential Fluid
 
9 Attachment(s)
I'm at 9,300 KM or 5,800 Miles and after changing my oil a few months back, I thought I would go ahead and change the rear differential fluid.

First off the fluid smells horrible, OMFG. I gagged so much, maybe my nose is sensitive, but this fluid, both old & new smell so bad.

I'm attaching some pictures for you all to see how simple it really is to change this fluid.

1. Put the rear tires up on jacks.
2. Loosen the top & bottom bolts with a socket wrench but leave the bolts in.
3. Use your fingers to remove the top/fill bolt.
4. Use your fingers to remove the bottom/empty bolt. Into a catch can of course.
5. Drain until empty.
6. Clean the bolts with a rag.
7. Tighten the bottom bolt back into place
8. I maneuvered the bottle of AC Delco 75W 90 and squeezed until the plastic bottle was empty.
9. Tighten the top bolt.
10. Clean your hands cause they smell like a$$.

Pretty simple process, about 30mins total and now I feel more proud of my car cause I did it myself & I saved a few dollars.

jtzako 07-28-2011 08:17 PM

Good write up.. Make sure you go do some figure-8 in a parking lot to work it in. Also, keep an ear out for noises. You may need to add friction modifier.

Also, use gloves, it isnt healthy to let that fluid get on your skin.

The Stig 07-28-2011 08:19 PM

Quote:

Originally Posted by jtzako (Post 3536380)
Also, use gloves, it isnt healthy to let that fluid get on your skin.

+1

great write up though

Forza 07-28-2011 08:23 PM

Quote:

Originally Posted by jtzako (Post 3536380)
Good write up.. Make sure you go do some figure-8 in a parking lot to work it in. Also, keep an ear out for noises. You may need to add friction modifier.

Also, use gloves, it isnt healthy to let that fluid get on your skin.

What kind of noises? What would make noises?

Should I be concerned about my green skin right now?

Scott@Bjorn3D 07-28-2011 08:53 PM

Quote:

Originally Posted by Forza (Post 3536417)
What kind of noises? What would make noises?

Should I be concerned about my green skin right now?

When you skin starts to glow in the dark and your fingers fall off it might be to late to worry.:facepalm:

Synner 07-28-2011 08:54 PM

The clutch plates can stick and make noise. If it does then you need to add limited slip friction modifier. The bottle will say if it includes friction modifier on it. If not then you need to add it.

Forza 07-28-2011 09:07 PM

Quote:

Originally Posted by Synner (Post 3536569)
The clutch plates can stick and make noise. If it does then you need to add limited slip friction modifier. The bottle will say if it includes friction modifier on it. If not then you need to add it.

Even for Automatic V6's?

Nomad 07-29-2011 08:40 AM

Quote:

Originally Posted by Forza (Post 3536612)
Even for Automatic V6's?

Nope. I don't think you have a limited slip differential. They are talking about issues with the LS on the SS.

BTW, excellent write up.:thumbsup:

Moriartii 07-29-2011 09:03 AM

Additionally you may want to take the vehicle out and do a few low speed figure eights, first one direction and then the other to distribute the fluid up the half shafts.

Cheers
K

Forza 07-29-2011 09:08 AM

Thanks everyone, I'm glad you liked the write up. :)

I'll take the car out again this morning around the block a few times to get the fluid moving inside around the gears (or whatever is in there).

Jimbabwe 07-29-2011 10:26 AM

Is it recommended to do this when the car is hot? Or is cold ok

Moriartii 07-29-2011 10:44 AM

I would do this when the car is cold as you are working near the exhaust. :)
Cheers
K

Forza 07-29-2011 10:52 AM

Quote:

Originally Posted by Moriartii (Post 3538569)
I would do this when the car is cold as you are working near the exhaust. :)
Cheers
K

Yea what Moriartii said, definitely when the car is cold.

While under my car I did find myself rubbing my forearms against the exhaust & other metal parts. You would burn your skin for sure.

jpizzle007 07-29-2011 03:13 PM

you should be able to do it without jacking up the car. Its also best to have it level when you add it back in.

If you back it to the lip of your garage, the extra inch helps a lot and there is no need to jack it up.

The Stig 07-29-2011 04:03 PM

Quote:

Originally Posted by jpizzle007 (Post 3539804)
you should be able to do it without jacking up the car. Its also best to have it level when you add it back in.

If you back it to the lip of your garage, the extra inch helps a lot and there is no need to jack it up.

Yep. That's how I did it.

Run and Gun 08-04-2011 05:48 PM

Nice write up and great thread.:popcorn:

Forza 08-04-2011 09:29 PM

Thanks. Glad I could contribute.

SSGUNNER 11-26-2011 08:45 AM

Quote:

Originally Posted by jpizzle007 (Post 3539804)
you should be able to do it without jacking up the car. Its also best to have it level when you add it back in.

If you back it to the lip of your garage, the extra inch helps a lot and there is no need to jack it up.

What do you mean by lip? I would like to get an understanding so i can do it your way since i dont own any jacks.

kiteman 11-26-2011 09:16 AM

Quote:

Originally Posted by xSNEEKSx (Post 4079245)
What do you mean by lip? I would like to get an understanding so i can do it your way since i dont own any jacks.

the concrete slab of most garages is different from the driveway slab. it is usually elevated about an inch off of the ground from the driveway. they are saying back the car where the tires are just about to roll off the lip so you get another inch of ground clearance plus any slope on the driveway can be used for you to get under the car more easily.

but, not all garage slabs have this lip.

SSGUNNER 11-26-2011 09:25 AM

Quote:

Originally Posted by kiteman (Post 4079358)
the concrete slab of most garages is different from the driveway slab. it is usually elevated about an inch off of the ground from the driveway. they are saying back the car where the tires are just about to roll off the lip so you get another inch of ground clearance plus any slope on the driveway can be used for you to get under the car more easily.

but, not all garage slabs have this lip.

Oh i see now. Yea mine doesnt have a lip but i have a driveway so i can back it up just enough to get under there.

TooCool5 12-07-2011 09:38 AM

There is different GM gear oils for the A6 and M6 cars.

NavyDood 12-07-2011 12:18 PM

Quote:

Originally Posted by Moriartii (Post 3538090)
Additionally you may want to take the vehicle out and do a few low speed figure eights, first one direction and then the other to distribute the fluid up the half shafts.

Cheers
K

http://i4.photobucket.com/albums/y10...scratchead.gif The half shafts are solid and the side bearings are integral to the pumpkin. The figure 8's are to work the LSD after the fluid change. All IMO of course and YMMV.

trooper182 12-10-2011 09:35 PM

Ok so I am going to change the rear diff oil in my A6 for the first time tomorrow (16487 miles). What oil would you all recommend? I will be buying from advanced auto. Also do I need to get a friction modifier and if so what would you recommend? This will be my first time changing diff oil in a new camaro.

grocerygetter 12-12-2011 09:40 PM

from gm

jlugo 12-12-2011 09:50 PM

Quote:

Originally Posted by trooper182 (Post 4147565)
Ok so I am going to change the rear diff oil in my A6 for the first time tomorrow (16487 miles). What oil would you all recommend? I will be buying from advanced auto. Also do I need to get a friction modifier and if so what would you recommend? This will be my first time changing diff oil in a new camaro.

'Mobil 1' Synthetic ATF (Synthetic LS 75W90 for the M6)
and 2.5oz of Gear Oil Additive


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