diff question

Hi Gossy,
The front diff has the pinion gear up above the centre line of the axle shafts, whereas the rear diff has the pinion below the centre line. Having it above means that the oil must cover the pinion, and therefore the casing must be filled higher.
The rear diff uses hypoid oil with LSD additives, whereas the front diff, without an LSD only needs standard hypoid oil.
Gerry

Ah, makes sense. Thanks for that.

Not the most enjoyable job being under a car for a whole day upside down using a little hand pump to get the oils in, but it's also very satisfying getting to know your own car a bit better and not paying a mechanic for simple work like this (but time consuming). Finished up doing both diffs, engine, all filters, wiper blades, transfer and gear box.

Cheers,

G'day .. Had the same problem with the oil. My solution was to use gravity & a long tube thru the lid of a bottle with the base cut off (like a funnel). Positioned the bottle in a comfortable position filled it & waited. Worked OK but I might try the weed spray idea next time.

cheers .. Cupie

Anyone hear of a 20l drum pump? If you plan to do enough of this home servicing stuff, I would highly recommend one. I went through all the other options long ago and wouldn't go back to ANY of them.

20 litres of each of these oils will last quite a long time.

They're not that expensive and the cost will be saved with the first thorough service you do yourself.

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Cheers,

Mark

change the the coolant too and use ion free water with the additive. Change the brake fluid. Change the power steering fluid. Thats what I do anyway every fifty thou tho they say forty in the book.

rest is getting done in a major service today (double crossing of the Simpson in 4 weeks). Garage not well equipped to do messy jobs like radiator flush etc.