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Undo to fill bolt.

Undo the drain bolt.

Drain the oil.

Replace drain bolt.

Fill diff with oil until it starts to come out the fill hole,

Replace fill bolt.

Thats about it

(both bolts are on the back of the diff)

What andrew describes above.....Looks like this below.
only thing is.....this is a 1.8 diff. but basically the same principle.



fill hole is the one on top.

drain hole is the one on the bottom.


Dont be afaraid to jack the car up......but in the usual safe manner to get under there.
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not anymore... couln't manage anything better than a 1:19.76 at wakefield today. Thats kind of....Snail mail material.

gees it was cold.