SFA Gearbox fill/check plug

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Ryperd
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Vehicle: 1994 Hilux D/C 2.2 Petrol (4Y SFA)
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Wed Dec 13, 2017 11:59 am

Does anyone know which is the correct check/fill plug on a SFA Hilux? I opened the one on the right in the picture (towards the rear of the vehicle) and oil came pouring out. The picture in the workshop manual shows a check plug just behind the reverse light connector on the driver’s side of the gearbox but I don’t seem to have one there.

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Ryperd: 1994 Hilux D/C 4Y SFA

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Mud Dog
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Real Name: Andy

Wed Dec 13, 2017 10:58 pm

That is the filler plug and filling is done until it comes out of that plug hole. If the oil came running out of the filler plug then it's a little over filled and was probably filled from the turret on top or when the vehicle was side sloped. It's not a problem. If that oil was clean and clear I would just leave it as it is. :winkx:
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Ryperd
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Joined: Sat Apr 30, 2011 9:52 pm
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Vehicle: 1994 Hilux D/C 2.2 Petrol (4Y SFA)
Real Name: Rudi

Thu Dec 14, 2017 6:47 am

Hmm. The oil was a bit dark. Clean, but I wouldn’t say clear. Could it be a bit old, or is it possible for there to be an oil leak from the engine somehow?

Also just to add, the engine hasn’t been losing oil, and there aren’t any oil drips under the vehicle. There is some oil weeping from the reverse light connector, which I now think is because the gearbox is over-filled.

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Ryperd: 1994 Hilux D/C 4Y SFA

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Mud Dog
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Vehicle: '90 SFA Hilux DC 4X4, Full OME, 110mm lift. Brospeed branch, 50mm ss freeflow exhaust. 30 x 9.5 Discoverer S/T's on Viper mags. L/R tank. (AWOL) '98 LTD 2.4 SFA, dual battery system. Dobinson suspension, LR tanks, 31" BF mud's.
Real Name: Andy

Thu Dec 14, 2017 8:02 am

Engine oil can't get there. Gear box oil can be darker than engine oil but if it's clear and you don't have gear notchy changes, again, I would say leave it as is. A bit of weeping here and there is not the end of the world either although even over filled it should not leak.
When your road comes to an end ...... you need a HILUX!.

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Life is like a jar of Jalapeño peppers ... what you do today, might burn your ass tomorrow.
Don't take life too seriously ..... no-one gets out alive.
It's not about waiting for storms to pass. It's about learning to dance in the rain.
And be yourself ..... everyone else is taken!

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Stef
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Thu Dec 14, 2017 8:22 am

+1

There is a crank seal engine side and a seal on the spline shaft gearbox side. If the crank seal has a leak there will be oil accumulating & draining from the bottom of the bell housing

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