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#1946246 - 07/08/10 03:10 AM TOYOTA COROLLA GEARBOX FAILURE
tobysoph Offline


Registered: 06/29/09
Posts: 13
Loc: australia
2006 Corolla manual, 82000 kms, 50000 miles, engine serviced with synthetic oil every 5000 kms, Redline MT90 at 5000 kms and 50000 kms in gearbox. Input shaft bearing and oil seal just had to be replaced, out of warranty of course, 11 hours labour alone. Any thoughts if this failure just another example of Toyota poor build quality and poor components or could it be the Redline oil? Any thoughts, oh and I drive very gently.
Roger

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#1946251 - 07/08/10 03:41 AM Re: TOYOTA COROLLA GEARBOX FAILURE [Re: tobysoph]
defektes Offline


Registered: 09/09/09
Posts: 3216
Loc: Hesperia, CA, USA
That is very low miles for a manual transaxle fail.
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#1946255 - 07/08/10 03:55 AM Re: TOYOTA COROLLA GEARBOX FAILURE [Re: defektes]
FowVay Offline


Registered: 06/02/02
Posts: 2154
Loc: Southeastern USA
My coworker had to change a bearing in his Corolla transmission prior to 100,000 miles also. He did the work himself so it didn't set him back $50 and a few skinned knuckles.

Maybe it's just a poor design resulting in inadequate lubrication.
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#1946270 - 07/08/10 04:55 AM Re: TOYOTA COROLLA GEARBOX FAILURE [Re: tobysoph]
chad8 Offline


Registered: 08/26/09
Posts: 1251
Loc: michigan
Originally Posted By: tobysoph
2006 Corolla manual, 82000 kms, 50000 miles, engine serviced with synthetic oil every 5000 kms, Redline MT90 at 5000 kms and 50000 kms in gearbox. Input shaft bearing and oil seal just had to be replaced, out of warranty of course, 11 hours labour alone. Any thoughts if this failure just another example of Toyota poor build quality and poor components or could it be the Redline oil? Any thoughts, oh and I drive very gently.
Roger


Here is the place to join and ask:

http://www.corolland.com/forums/index.php?/forum/74-corollas/

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#1946364 - 07/08/10 07:52 AM Re: TOYOTA COROLLA GEARBOX FAILURE [Re: tobysoph]
Jim Allen Offline


Registered: 08/12/05
Posts: 4477
Loc: NW Ohio
Not sure I agree with your assessment of Toyota's build quality being "poor" (and no I don't own a Toyota), but 50K is too soon. Even whatever car line you personally think is the best have parts failures.

Was it the seal that failed and the bearing replaced as a precaution, or did the bearing get noisy (and you always replace a seal that you molest in the course of other work)? If the seal, they can get nicked on assembly. Bearings are vender sourced and made by the millions but surprisingly, few fail prematurely. If the bearing, was the bearing really toasted and failed in a major way, or just noisy?

I suppose the bottom line to your questions is, "Could this have been lubricant related?" IMO, doubtful. Mostly likely it's just a "lucky you" moment when the universe takes a nip out of yer bum for fun.

Other possibilities? In my experience, input shaft bearings fail earliest on cars that idle a lot. The input shaft and bearing is turning when the engine runs but, generally speaking, does get much lubrication until the tranny is fully in operation, car going down the road. Essentially, it relies on the lube it gets going down the road to carry it during idling periods. If the car idles for inordinate periods, the bearing can fail sooner than it might normally. There's very little load on it at idle, so even if idling a more than "normal," it's not a terribly likely cause. I do not know the exact internal layout of the Corolla tranny and am speaking generally.
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#1946372 - 07/08/10 07:59 AM Re: TOYOTA COROLLA GEARBOX FAILURE [Re: Jim Allen]
SLCraig Offline


Registered: 12/21/08
Posts: 5263
Loc: London, ON, Canada
Crazy.. That really is low miles.. The Saturn 5 speeds have weaknesses too, all do I guess. (Not bearing, but diff pin is a common failure)

My Nissan has other issues all together, the trans feels pretty much fantastic except 3rd gear (almost all other 02/03 6 speed owners would agree)

I guess putting in the highest quality bearing and some clean fluid is all you can do.
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#1946377 - 07/08/10 08:03 AM Re: TOYOTA COROLLA GEARBOX FAILURE [Re: Jim Allen]
tomcat27 Offline


Registered: 06/25/09
Posts: 2440
Loc: Midwest
I can't believe it was the Redline. just bad luck on the bearing you got. it happens occassionally - even to toyotas. a friend had it happen to his nova (toyota) at low miles.

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#1946389 - 07/08/10 08:14 AM Re: TOYOTA COROLLA GEARBOX FAILURE [Re: tomcat27]
LT4 Vette Offline


Registered: 09/12/04
Posts: 12070
Loc: USA
Some people also say that the Honda Civic has a weak Input Shaft Bearing but many people go 200K miles with no problems...... other have it replaced around 100K miles. Our old 1998 Civic had 3 drian / refills with Honda MTF and still going strong with around 240K miles on original ISB.... not to mention clutch/PPlate, TOB.

Maybe you just had an ISB that wasn't manufactured correctly to spec ? shrug
If you have a bad ISB no synthetic fluid will save it in my opinion.

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#1946434 - 07/08/10 09:03 AM Re: TOYOTA COROLLA GEARBOX FAILURE [Re: LT4 Vette]
sparkplug Offline


Registered: 07/16/08
Posts: 862
Loc: Massena, NY
Are you sure M1 wasn't in there?
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#1946480 - 07/08/10 09:48 AM Re: TOYOTA COROLLA GEARBOX FAILURE [Re: sparkplug]
deeter16317 Offline


Registered: 12/07/07
Posts: 1339
Loc: SE, PA
A single bearing, out of how many in that particular trans?

If it was a lubricant issue, I would expect more than a single bearing to have failed (or show signs of wear). Indicates to me that either that particular bearing was already compromised or that particular bearing is placed in a bad spot for lubricant to reach it (at no fault of the lubricant).

This isn't uncommon...the NV5600 in my truck has a known weakness where a bearing runs "dry" of fluid when pulling/descending steep grades, and the "fix" is to overfill by a quart.
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#1946581 - 07/08/10 10:55 AM Re: TOYOTA COROLLA GEARBOX FAILURE [Re: deeter16317]
unDummy Offline


Registered: 02/01/03
Posts: 8756
Loc: RI
Deeter is right. Lube failure would cause multiple issues.

Your tranny had a bad bearing since new.
Hope you replaced the clutch and extras while that tranny was out.

Input shaft seals/bearings aren't 'ghost' failures. They are pretty common single POF on many manual transmissions, and the cause of many whines/rattles from a transmission.

Make sure your cold gear oil level is correct, and maybe even a few ounces overfilled.

What were your symptoms?
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#1946669 - 07/08/10 12:10 PM Re: TOYOTA COROLLA GEARBOX FAILURE [Re: unDummy]
mechtech2 Offline


Registered: 09/05/06
Posts: 19479
Loc: Chicago Area
Parts can have infant mortality, and die right away.
They can of course wear out normally.
But your tranny went out early.

I think an original part was a bit faulty, and your good care extended it's life beyond what it should have lived.
Sorry - you did everything right, and were subject to failure anyway. It has to be faulty part[s].

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#1947572 - 07/09/10 09:20 AM Re: TOYOTA COROLLA GEARBOX FAILURE [Re: mechtech2]
meep Offline


Registered: 02/20/07
Posts: 2451
Loc: Southeast
just think, if you'd used an inferior lube, or factory fill, it may have failed under warranty. ouch.
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#1947626 - 07/09/10 10:18 AM Re: TOYOTA COROLLA GEARBOX FAILURE [Re: meep]
Steve S Offline


Registered: 01/20/03
Posts: 18449
Loc: East of IGO
I have owned several Toyotas over the years and had good luck with them. Yes they have IMO gone down hill to the point that they are not really any better than the best of the other brands.
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Why do people post I want the best for my car,,, When there isn't anything that is the best on the car to begin with.

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#1947632 - 07/09/10 10:21 AM Re: TOYOTA COROLLA GEARBOX FAILURE [Re: meep]
Steve S Offline


Registered: 01/20/03
Posts: 18449
Loc: East of IGO
Originally Posted By: meep
just think, if you'd used an inferior lube, or factory fill, it may have failed under warranty. ouch.
I have stated this before and to the internet oil experts who have their preconcieved notions about oil, It is not the oil that causes failures in transmissions it is poor quality cheap parts. Yes the trans oil needs to be changed to keep the trans from wearing out prematurely.
_________________________
Why do people post I want the best for my car,,, When there isn't anything that is the best on the car to begin with.

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