TD4 Manual Gear Box Drain Plug Hex Size

Grayo said:

Hi All,

Sorry to be a pain!! I've searched for the answer to this but can't find one.

Does anybody know the size of the hex or AF for the drain plug on the manual gear box on my TD4 and is it the same size for the filler/level plug.

Thanks all

Grayo

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mick 1986 said:

Try and undo the filler first.

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Grayo said:

Thanks for that. I found an 8mm hex socket and it fitted yeah!!. I've changed the diff oil, the IRD oil, and the engine oil, this afternoon, I'll do the gear box tomorrow. It's a bit tight in there to do the gear box, any suggestions to make life a little easier.

Cheers

Grayo

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mick 1986 said:

Jack up the front near side and remove the wheel, then lover the car on the jack until its level again. Then use a length of hose pipe attached to a funnel. I threaded mine from the outside, over the top of the disc and into the filler plug. I used 4 axel stands when I don't mine, so I would advise you to use something to support the car incase the jack gives way.

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Grayo said:

Ok thanks for that, that sounds a good idea. The car is over my pit at the moment which makes life a bit easier.

I've also got a 500mm syring (like in link below) which I used to empty and fill the diff.

Sealey AK46 Oil Suction Syringe 500ml Metal Body | eBay

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mick 1986 said:

That's handy! The gearbox takes 1.67litres, so stick 3 full ones in, then top up to overflow.

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