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  • I'm getten too old for this s**t
  • Bronze Donating Members
  • Member For: 12y 22d
  • Gender: Male
  • Location: A big bridge over a river in South Australia
  • 5 weeks later...
  • I'm getten too old for this s**t
  • Bronze Donating Members
  • Member For: 12y 22d
  • Gender: Male
  • Location: A big bridge over a river in South Australia

Now that I've replaced both of the Half Shafts, I thought about the diff...... in particular the Diff oil so I did a bit or research and the jury is out on how often you should change the oil and since Roxy has done 25000k's on the TrueTrac LSD, I decided now is the time.

I put the car up on the hoist and when checking everything over I got a bit concerned with the amount of play when rocking the tail shaft. The trans is in Neutral (coz on hoist) while I'm rocking it.

Is this amount of play normal?

So, back to the oil. The Eaton website says to use Mineral oil in their TrueTrac and I couldn't find anything on the Harrop site so because I'm quite impresses with the ULX110 oil I put in the engine, I checked out their diff oil range.

They make an 80w90 mineral and an 80w140 mineral oil - both with whatever additive is needed for an LSD so I sent off an email to them telling them about my driving style, the car etc. and asked which would be better. They sent an email back saying the 80w90 coz I live in Adelaide and my driving style.

I took a trip down to town and had a bit of searching in the auto parts stores until I found a 5 litre bottle ($95) and swapped the oil out today. It took 2.05 litres until it just started to drip out the fill hole.

084329b5c0dc34f8ddcd0e3bf5d0b877.jpg

Not sure what oil was put in it when the LSD was installed but it was well past its use by date. Boy did it stink. I'm wondering if I should get it tested so I know whats going on with it or just swap it out again when I do the engine oil in 5 thou and then again every 2nd oil change. What do other people do with a TrueTrac diff?

849de9ea85fc996232afe908103aea42.jpg

Over the last few weeks, I've developed a 'clunk' somewhere in the rear when I select either 1st or reverse and let the car move that first inch or so. I'm wondering if one of the CV's in my new Repco half shafts is a bit sloppy.

5 year - 100,000k warrenty so no probs if one lets go........ just a huge PITA.

Edited by BenDoCo
  • WOT?
  • Moderating Team
  • Member For: 12y 2m 3d
  • Gender: Male
  • Location: Frankston, 3199
  On 25/08/2015 at 8:19 AM, BenDoCo said:
Boy did it stink.

Last time I changed diff oil myself was 25 years ago (LX Hatchback - LSD - first change it'd ever had)

I've almost got the smell out of my nostrils

  • Like 1
  • Too heavy needs boost
  • Member
  • Member For: 11y 8m 23d
  • Gender: Male
  • Location: Adelaide
f42e35b72a4b850ba3cd6f91d05c7b62.jpgmine still wins. Looks like the toilet bowl after a yiros and a night on the Guinness. I had mushrooms growing in my diff.
  • Moar Powar Babeh
  • Lifetime Members
  • Member For: 19y 7m 5d
  • Gender: Male
  • Location: Perth

Used diff oil ain't got nothing on used brake oil from Caterpillar wet disc brake packs. Imagine the smelliest yeast infected poon-tang you've ever smelt then multiply it by two rotting pig carcasses and it's still a better alternative than a nose full of brake oil on a hot day.

  • Like 3
  • ...JD TUNING ADELAIDE...
  • Gold Donating Members
  • Member For: 16y 10m 28d
  • Gender: Male
  • Location: Adelaide

The imagination runs wild there luke

  • Like 1
  • I'm getten too old for this s**t
  • Bronze Donating Members
  • Member For: 12y 22d
  • Gender: Male
  • Location: A big bridge over a river in South Australia

That poor friggen single spinner Matt lol

  • MattyP
  • Cruise Control
  • Member For: 12y 11m 24d
  • Gender: Male
  • Location: Central Coast

Its had a hard life.

The way I see it is...

BABE! The diffs blown up!!!! I need to order a new one.. theres this thing called a truetrac I need, Its cheaper than the one from ford..... Booyah

  • Like 4
  • Too heavy needs boost
  • Member
  • Member For: 11y 8m 23d
  • Gender: Male
  • Location: Adelaide

Asking for permission to get a diff explains why you still probably have a single pegger. Lol

Edited by Bizkets is fat?
  • Like 1

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