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1990 Toyota Corolla DIFFERENTIAL BEARING

Tiny
TSKG
  • MEMBER
  • 1990 TOYOTA COROLLA
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 185,000 MILES
ON THE DRIVER SIDE OF MY CAR WHERE THE DRIVE AXLE GOES INTO THE DIFFERENTIAL THERE IS A HUB BOLTED TO THE SIDE OF IT. THE DRIVE AXLE PASSES TRU THIS HUB. MY PROBLEM IS THERE IS A BEARING INSDE THE HUB THAT HAS AN OUTER RACE PRESSED IN THE HUB AND THE INNER RACE AND BEARING CAGE SLIDES OVER THE SHAFT THAT MY DRIVE AXLE SPLINES SLIDE INTO IS BAD. DOSE ANYONE KNOW WHAT THIS BEARING IS CALLED? ALSO THE DRIVE (I WILL CALL IT) INSIDE THE DIFFERENTIAL IS LOOSE, MOVING UP AND DOWN A LITTLE IS PART OF TEH BEARINGS JOB TO STABILIZE THE DRIVE? PLEASE HELP.
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Monday, April 6th, 2009 AT 12:05 PM

4 Replies

Tiny
MMPRINCE4000
  • MECHANIC
  • 8,549 POSTS
What trans do you have A131L (3 speed) or A420 (4 speed)?
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Tuesday, April 7th, 2009 AT 7:53 AM
Tiny
TSKG
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  • 2 POSTS
It is an A131L 3 SPEED AUTO.
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Tuesday, April 7th, 2009 AT 8:03 AM
Tiny
MMPRINCE4000
  • MECHANIC
  • 8,549 POSTS
This is left auto trans output differential bearing:


https://www.2carpros.com/forum/automotive_pictures/108325_Atrsax_Differental_bearing_1.jpg



I doubt you could replace this with trans in car.

You would probably be better off removing trans and getting a good used one, replacing the whole works.

Look for an A131L from a 90-92 Toyota Corolla or Geo Prizm. Toyota made a bunch or these tranny's and they are (for the most part) very reliable.

This trans uses a seperate lubricant supply for the differential, so if it is low or out, the differential is probably not salvageable, or would cost a ton to repair.
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Tuesday, April 7th, 2009 AT 8:20 AM
Tiny
MMPRINCE4000
  • MECHANIC
  • 8,549 POSTS
A little more info:

I bought a 1991 Corolla last year, the differential had siezed, it would go foward about 10 feet and lock up.
The differential had NO fluid in it (it uses Dextron III).

Bought car for $600 and got a used trans from a '92 Corolla for $350. Replaced trans and it runs fine (knock on wood :) ).

I pulled the engine and trans from the top, took trans off (replaced rear main seal while I was at it), if you have an engine crane and good tool selection, it is a weekend job in your garage.

This is also a perfect time to replace timing belt, waterpump, oil pan (rusted), or anything that needs replacing.

The other choices were to rebuild trans, or buy a reman'd unit, both choices over $1500.
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Tuesday, April 7th, 2009 AT 8:35 AM

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