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How Much Oil Does Rb20 Gearbox Take ? Can't Use Filler Hole..

cabramatta
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cabramatta Community Regular

cabramatta

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As title states, I'm going to be filling up my rb20 manual box from the selector hole as I can't remove the filler hole on the side of the box as I only got a 17MM spanner which only works with the open end side. I don't have any 4 sided socket that fits over that bolt.

I'm using a BFH with the spanner aswell.. Won't budge.. I have a breaker bar I can use but I don't have any socket that fits over the bolt..

Anyone know how much oil I should put in ? I can't take the filler plug off so I might aswell just drain it and measure how much im putting in from the top.

cheers

Edited by cabramatta
Nic_A31 Grand Master

Nic_A31

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Use vice grips or something to get that off.

I replaced that one with the same type of plug as the drain, so I can crack it with a 1/2" drive ratchet.

What I do is take the filler off, fill from the shifter until oil is JUST starting to overflow out of the filler, then chuck the filler plug back on.

From memory it's about 2.2 litres.

cabramatta Community Regular

cabramatta

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Use vice grips or something to get that off.

I replaced that one with the same type of plug as the drain, so I can crack it with a 1/2" drive ratchet.

What I do is take the filler off, fill from the shifter until oil is JUST starting to overflow out of the filler, then chuck the filler plug back on.

From memory it's about 2.2 litres.

Where did you buy the same type plug from ?? I want to replace both the plugs on them as they are chewed from the previous owner!

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