Rear axle/diff has gone...
09-04-2012, 02:52 PM
Post: #1
Rear axle/diff has gone...
On the latest track day, the rear started to sound more and more whining and grinding.

And on the way home it was sounding like a jet-plane. A terrible grinding noice. The diff was full with oil but what came out was not a pretty sight, a grey thick fluid with metall in it.

So the question is, what do I do now?

Open it up or just buy a new (used?) rear axle? Im not that mechanic to open up and look and fix the bearings and things.

What is the price of a used one in Europe?

Regards
Håkan

AE86 SWEDEN
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09-04-2012, 03:16 PM
Post: #2
Rear axle/diff has gone...
Open it: it cost nothing to take a look and see what's dead inside Wink
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09-04-2012, 03:37 PM
Post: #3
Rear axle/diff has gone...
Project D Wrote:Open it: it cost nothing to take a look and see what's dead inside Wink

Yes, I have the workshop here at work so no problem with time, lifts and all thinkable tools and if its a bearing or two no problem and finding it, but knowledge... Wink

I tried to open it but I couldn get it off (the plate in front of diff) after disconnecting the propeller shaft.

http://www.toyodiy.com/parts/p_J_1986_TO..._4101.html

I losened all the nuts in the diff but it would come of, like something is holding it from inside. Do I have to remove the rear axles first before I can remove the diff?

AE86 SWEDEN
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09-04-2012, 05:01 PM
Post: #4
Rear axle/diff has gone...
Yes you have to remove the halfshafts (drivaxlar) first then the diff house should just come right out. Knowledge isn't a problem if you use the service manual Thumbs up!
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09-04-2012, 05:26 PM
Post: #5
Rear axle/diff has gone...
krullibull Wrote:Yes you have to remove the halfshafts (drivaxlar) first then the diff house should just come right out. Knowledge isn't a problem if you use the service manual Thumbs up!

Thanks. Smile

The Service Manual (AE86Manual.pdf) doesnt tell me to remove the driveaxles before the diff, what I can see. It only shows a picture of the parts of the diff. ( Page RA-8 ). Wink

EDIT: My bad I see now.
2. REMOVE REAR AXLE SHAFT ( See page RA-3 )
Big Grin

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09-09-2012, 01:15 PM
Post: #6
Rear axle/diff has gone...
Any progress on this?
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09-10-2012, 04:46 PM
Post: #7
Rear axle/diff has gone...
I didnt have time this weekend but hope to take it apart this coming weekend.

I hope its not that hard to remove the axels (?) so I can remove the pinion and diff.

I feel (and hope) that it is the bearings (front and/or rear) for the pinion that has broken making the pinion go off line...

AE86 SWEDEN
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09-10-2012, 06:10 PM
Post: #8
Rear axle/diff has gone...
Skyracer Wrote:I didnt have time this weekend but hope to take it apart this coming weekend.

I hope its not that hard to remove the axels (?) so I can remove the pinion and diff.

I feel (and hope) that it is the bearings (front and/or rear) for the pinion that has broken making the pinion go off line...

Chances are pretty slim for that m8...its usually the r&p that gives up...

AE86 GT - SR20DET BlackTop //// Trackday beater
Citroen C4 Coupe VTR - 1.6HDi //// Streetcar
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09-10-2012, 06:53 PM
Post: #9
Rear axle/diff has gone...
Skyracer Wrote:I didnt have time this weekend but hope to take it apart this coming weekend.

I hope its not that hard to remove the axels (?) so I can remove the pinion and diff.

I feel (and hope) that it is the bearings (front and/or rear) for the pinion that has broken making the pinion go off line...

Removing axles isn't so difficult. I did it and was surprised how well it went. :wink: .

ハチロク

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09-10-2012, 08:29 PM
Post: #10
Rear axle/diff has gone...
Unless its the first time in yonks that you take them out, then it can be a bitch of a job. Make sure you have a slide hammer or something improvised that resembles one when you take on this job. If they have been out recently you can often take them out with a few gentle taps of a rubber mallet (or just by hand), but if they are rotted in there it will be much much harder (the bearings are 3+ cm's wide, that's a lot of surface).

FABRICA MI DIEM, PVNC!
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