Nerts

"HammerheadFistpunch" (hammerheadfistpunch) 02/09/2015 at 14:54 • Filed to: None

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Leaking oil from the front diff

New seals, didn't smack it on anything yesterday but did use the locker a few times....what the deal?!

RamblinRover Luxury-Yacht > HammerheadFistpunch 02/09/2015 at 14:56

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No way you could've gotten a plugged vent? Plugged vent + warmth from locker...

HammerheadFistpunch > RamblinRover Luxury-Yacht 02/09/2015 at 14:58

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hmmm, maybe, it does seem to be a big mess on that side (vent is picture left). its pooling just to the right of the plug and appears to be seeping out the gasket...ill have to take a closer look. Looks like its finally time to install the breather mod. EDIT: the pool got much bigger overnight though...hmmm some more.

crowmolly > HammerheadFistpunch 02/09/2015 at 15:00

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Any chance it was overfilled and then the locker whipped it up? I wonder if it puked out extra.

HammerheadFistpunch > crowmolly 02/09/2015 at 15:06

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Its possible, but I'm not sure how the locker would have made it worse, its an e-locker so its just a solinoid actuated engagement fork

HammerheadFistpunch > HammerheadFistpunch 02/09/2015 at 15:07

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other picture

RamblinRover Luxury-Yacht > HammerheadFistpunch 02/09/2015 at 15:09

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Sometimes a gasket just says "no". If the gasket got forced by a clogged breather, it may just be toast.

HammerheadFistpunch > RamblinRover Luxury-Yacht 02/09/2015 at 15:11

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you might be right. Bummer.

crowmolly > HammerheadFistpunch 02/09/2015 at 15:16

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Forgive my ignorance, but does the carrier (and therefore ring gear) not spin unless it's engaged?

If that's the case then it could still be cavitation.

Reason I am pushing that is because you said it had new seals and I am thinking you had to refill the diff when you were done.

HammerheadFistpunch > crowmolly 02/09/2015 at 15:19

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The ring gear is always engaged via the open diff, the engagement fork just takes the diff offline and locks the shafts together

505Turbeaux > HammerheadFistpunch 02/09/2015 at 15:40

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yeah I agree with RR, sometimes it doesn't take or the torques are out of spec

FJ80WaitinForaLSV8 > HammerheadFistpunch 02/09/2015 at 16:49

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Looks like the seal just decided to give out. Did you use OEM stuff when you did the rebuild?

HammerheadFistpunch > FJ80WaitinForaLSV8 02/09/2015 at 16:50

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I had it rebuilt by an authorized Toyota service center.

FJ80WaitinForaLSV8 > HammerheadFistpunch 02/09/2015 at 16:57

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I'd take it back and ask them to fix it.

HammerheadFistpunch > FJ80WaitinForaLSV8 02/09/2015 at 17:00

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It's been about a year, but I still think that's the plan. This isn't the first time they've gone back in there either.

FJ80WaitinForaLSV8 > HammerheadFistpunch 02/09/2015 at 17:17

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My factory seals have lasted 22 years so I feel like their repair job should last over a year. I noticed that I must have bashed the rear pumpkin on my Grand Marquis the other day. Slow gear oil leak from the bottom. I can only guess that it must have happened trying to avoid a speed bump that has the channels cut into it.