'91 Corolla A131L transmission help - Toyota Nation Forum : Toyota Car and Truck Forums
6th Generation (1988-1992) Specific discussion of the AE92

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#1 Old 07-07-2008, 07:19 AM
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'91 Corolla A131L transmission help

I was driving down the hwy, heard a metallic whining noise. I decided to wait to pull over and check it until I saw a gas station exit. About 5 minutes later, it sounded like a gear blew up and made awful metallic rattles, thumping etc. I pull over and notice fluid dripping from underneath the Tranny. I believe it's a differential gear, but I see on these cars they are located in the transmission housing. I really don't want to mess with changing gears in the differential, but if that's the case, what would a shop charge for such a procedure. Would I be better off finding the entire transmission from a salvage yard and doing it myself? Is there an online procedure for doing it?

Thanks in advance!
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#2 Old 07-07-2008, 09:14 AM
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In my opinion, you'd be better off swapping in another complete transmission. You do realize the differential has a fill plug separate from the rest of the transmission, right?

Last edited by blb; 07-07-2008 at 09:15 AM.
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#3 Old 07-07-2008, 11:30 AM
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yeah, I would definitely suggest getting a new transmission from a junkyard or something and swapping it on. a junkyard transmission will cost like $50-$100.

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#4 Old 07-07-2008, 11:41 AM
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The differential has a separate drain and fill plug. 95% of owners don't ever check the fluid level or change it. So the differential grenades at around 75-150K miles.
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#5 Old 07-07-2008, 12:33 PM
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Originally Posted by blb View Post
In my opinion, you'd be better off swapping in another complete transmission. You do realize the differential has a fill plug separate from the rest of the transmission, right?
Does it have it's own dipstick as well?
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#6 Old 07-07-2008, 12:36 PM
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Originally Posted by eage8 View Post
yeah, I would definitely suggest getting a new transmission from a junkyard or something and swapping it on. a junkyard transmission will cost like $50-$100.
Any idea how difficult it is to take out and install a new/used transmission? I've swapped starters, alternators, distributors, water pumps etc., but never an entire engine or transmission.
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#7 Old 07-07-2008, 01:51 PM
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Quote:
Originally Posted by 91cor7 View Post
Does it have it's own dipstick as well?
No, just a fill hole on the back side (firewall side) of the transmission that you fill until it runs out.
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#8 Old 07-17-2008, 07:43 PM
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USA A131L Transmission

Well, looks like mine gave up the ghost this evening (195K miles)...had just changed the fluid and filter 3 weeks ago. Won't go into any gear (drive or park). Suggestions, or just replace the whole transmission? Don't want to put a lot of money into the car (was sold "as-is", and the owner thought it might have tranny problems, but I thought it was just the driver's side CV, which I replaced).

The factory service manual isn't much help (like, check fluid level). Fluid looked a bit low, but still won't engage (makes some interesting sounds, though).

Advice?
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#9 Old 07-20-2008, 05:27 AM
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Gen6 Oops

[quote=rbneron;2412139]Well, looks like mine gave up the ghost this evening (195K miles)...had just changed the fluid and filter 3 weeks ago. Won't go into any gear (drive or park). Suggestions, or just replace the whole transmission? Don't want to put a lot of money into the car (was sold "as-is", and the owner thought it might have tranny problems, but I thought it was just the driver's side CV, which I replaced).

quote]

You'll love this...it was the driver's side CV joing which I had replaced...turns out the half-shaft assembly wasn't fully engaged and the drive spline slipped out of the transmission. Open differential + 1 open side = no go.

Lesson learned.
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#10 Old 07-20-2008, 09:40 AM
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I'm glad you figured it out before you replaced the tranny
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#11 Old 07-22-2008, 02:27 PM
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89 corolla sedan.
I had the same problem. differential seals- where the driveshafts go in- had been leaking.
This is truly the achilles heal of an otherwise awesome vehicle.
If you have a Corolla it will be well worth your time to replace the seals.
Most owners don't know to check the fluid level in the differential. I didn't.
The differential hub gears were badly worn. Shavings in the gear box !
I live in Kapaa, HI and could not find a used tranny so had to rebuild.
The parts were $500 with shipping!
It is not hard to swap trannys in this car. Just time consuming. It took me about 8 hours overall, including
replacing driveshafts, ball joints and tie rod ends and struts.
I still have a whining noise though and wondered if anyone out there might know what this is.
I am at a loss as to why it would be making noise after the rebuild.
It surprised me that Toyota uses atf fluid in the gearbox.
If anyone has questions on how to replace a tranny you can contact me at journey462001@yahoo.com.
If any has an idea what this whining sound is please contact me as well.
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#12 Old 07-24-2008, 04:18 PM
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Would a 93-97 transmission bolt up to fit a 88-92 engine 4AFE (Corolla DX) engine? I would say yes in 1995 the corolla had two engine options:
1.6L 3 Speed (same as the 88-92 engine..... though I not sure with the transmission part #)
1.8L 4 Speed


I would like some conformation as there isn't too many 88-92 tranny available.


According to wiki
http://en.wikipedia.org/wiki/Toyota_A_transmission


**************************************
A131L

3 Speed Automatic Transaxle

Application:

* 1984-2002 Toyota Corolla (3 spd.) (includes FX)
* 19851988 Chevrolet Nova
* 1990-1992 geo prizm

*****************************************
A240L

4 Speed Automatic Transaxle

Application:

* 1985-1992 Corolla (4 spd.) (includes FX) (jj)


********


A245E

Applications:* 1993-2007 Corolla

Gear ratios: 1st - 3.643:1 2nd - 2.008:1 3rd - 1.296:1 4th - 0.892:1 Rev - 2.977:1 Drive axle ratio (for 93-96 Corolla):

2.821 Drive axle ratio (for 97-02 Corolla): 2.655 Drive axle ratio (for 03-07 Corolla): 2.962

Number of disc B3 is changed from 6 to 5 in 2005
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#13 Old 08-01-2008, 04:06 AM
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I replaced my transmission last week. On the receipt it says that it's teh 131L 3 speed transmission. When i got it i thought i was going to have to send it back because the speedometer gear was different and the neutral switch i think its called was also different. I just swapped those two things from my old transmission and its working just fine. I guess from 88-92 4afe cars the speedometer gear was mechanical and from 93-97 it is controlled electronically, i'm not sure thats just my guess, and also the plug that goes to the neutral switch or gear selector switch (however it may be called) is different from one gen to the other thats why i swapped that too. Hope this helps.
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#14 Old 08-01-2008, 11:50 PM
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Quote:
Originally Posted by journey46 View Post
It is not hard to swap trannys in this car. Just time consuming.
Do you have enough clearance with the car on jackstands to drop the transmission
onto a pallet and roll it out from under the car? Seems like you might have to put
the car on a lift to get enough clearance.
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#15 Old 08-02-2008, 12:05 AM
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Quote:
Originally Posted by tkw View Post
Do you have enough clearance with the car on jackstands to drop the transmission
onto a pallet and roll it out from under the car? Seems like you might have to put
the car on a lift to get enough clearance.
That shouldn't be a problem. I've never swapped a Corolla tranny yet but I've done it on a couple Accords, my MR2 and I'm currently in the middle of doing one on a T-100. On a FWD car with a transverse transmission, it is already located near the front of the car. You will already have the wheels off so you'll have lots of room.

Also, don't use a pallet, especially if you're worried about clearance. Put two large pieces of cardboard on top of each other and lower the tranny onto that. Then pull the top piece of cardboard and it will slide on the bottom one. The tranny shouldn't weight more than 80-120 pounds or so. They're easy to pull out and a decently strong man can lift and carry one without any trouble.
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