Do the Manual FJs have chance of self destruction. - Toyota FJ Cruiser Forum
Transmissions / Transfer Cases / Traction Aids This area is for discussion, questions and problems with the FJ Cruiser's gear train, including topics on A-TRAC, VSC, locking diffs, gear ratios, manual vs. AT, etc.

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post #1 of 11 (permalink) Old 09-11-2017, 09:40 PM Thread Starter
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Do the Manual FJs have chance of self destruction.

To preface; I'm searching for my 2nd FJ. My first one kept me absolutely safe in a roll over accident.

SO

In my search I ended up having a conversation with a gentleman that told me to stay FAR FAR away a manual FJ as they are know to self detonate because of an aluminum component. How true is this?
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post #2 of 11 (permalink) Old 09-11-2017, 09:47 PM
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Re: Do the Manual FJs have chance of self destruction.

Welcome to the forum

Never heard of a manual transmission FJ grenading

Tell the gentleman to show you the proof.
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post #3 of 11 (permalink) Old 09-11-2017, 10:42 PM
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Re: Do the Manual FJs have chance of self destruction.

my manual has been fine, except for that one time it blew the **** up
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post #4 of 11 (permalink) Old 09-11-2017, 10:52 PM
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Re: Do the Manual FJs have chance of self destruction.

I believe he was talking about the throw out bearing chirp. There is a repair for it and its not a catastrophic failure by any stretch.
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post #5 of 11 (permalink) Old 09-12-2017, 12:13 AM
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Re: Do the Manual FJs have chance of self destruction.

The 6-speed manual transmission (RA61F) used in the FJ has a design weakness relating to the support of the clutch throw-out bearing. The bearing slides on an aluminum tube that is an integral part of the front half of the transmission housing.

In some cases the OD of this tube has become severely worn or galled, which in turn triggered problems with the TO bearing. It's not clear why some MT FJs encounter this problem, and others do not.

Correcting the problem entails either:

1. Replacing the transmission housing, which requires a lot of very close-tolerance measurements to get the end play of all the transmission shafts set via selection of the appropriate shims. This might not be a permanent solution, depending on the factors that caused the original wear or galling condition. Because of the level of skill, and the time required to make accurate measurements, many dealers will not replace the transmission housing, but opt to simply replace the entire transmission.

2. Install a thin-walled stainless-steel sleeve over the aluminum tube, providing a hard, smooth surface for the TO bearing to slide on. This fix requires the use of an aftermarket TO bearing with a larger bore that will accept the larger OD of the sleeve.
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Last edited by FJtest; 09-12-2017 at 06:27 AM.
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post #6 of 11 (permalink) Old 09-12-2017, 03:30 AM
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Re: Do the Manual FJs have chance of self destruction.

Quote:
Sean McNeill previously said: View Post
To preface; I'm searching for my 2nd FJ. My first one kept me absolutely safe in a roll over accident.

SO

In my search I ended up having a conversation with a gentleman that told me to stay FAR FAR away a manual FJ as they are know to self detonate because of an aluminum component. How true is this?
Not to my knowledge. If there was a weakness in the MT, I would have found it by now, but nothing.
If anything, the MT has a more reliable drivetrain than the AT (FT 4WD, no ADD on the front axle, no need to worry about shifting to 4WD for inclement conditions/road surfaces) at the slight expense of fuel.

There was a squeaky throw out bearing annoyance in some early models, but there's a TSB for that and an aftermarket fix as well if it ever happens.

Good Luck in the search!

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post #7 of 11 (permalink) Old 09-12-2017, 08:30 AM
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Re: Do the Manual FJs have chance of self destruction.

Quote:
Sean McNeill previously said: View Post
To preface; I'm searching for my 2nd FJ. My first one kept me absolutely safe in a roll over accident.
Bummer that the FJ died, but glad to hear it did its job! If you need any help finding a new FJ, I'd be happy to help you search for one (free / no charge). You might also try reading the buying guide:

https://www.fjcruiserforums.com/forum...j-cruiser.html
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post #8 of 11 (permalink) Old 09-12-2017, 07:09 PM Thread Starter
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Re: Do the Manual FJs have chance of self destruction.

Thanks y'all. I've always heard really good things about the Blue Room. You're definitely living up to it!!
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post #9 of 11 (permalink) Old 09-12-2017, 07:21 PM
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Re: Do the Manual FJs have chance of self destruction.

11 years with a 6MT.....no issues. Oh sure, the TOB does chirp....but it has been for 10+ years.

Wouldn't trade it for an AT for all the Maple Syrup in Canada.

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post #10 of 11 (permalink) Old 09-13-2017, 03:47 PM
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Re: Do the Manual FJs have chance of self destruction.

^^^ 100% agree with @mikey here. Granted I've only owned my 08 for about 2 years and I knew that there was a good chance for a TOB chirp, but I accepted the risk and love it. It seems to only be intermittent at the moment so I'm not too worried about it. MT's are so much more fun anyway
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