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Location:
Adelaide
Registered:
November 2002
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Diff oil change
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Sat, 21 August 2004 06:39
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I'm about to swap the oil on my diff, can someone give a short step by step guide as to what needs to be done/checked, any precautions to take etc. If it helps the diff is a T-series.
Thanks!
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Banned user
Location:
ADELAIDE - The Drift City
Registered:
July 2002
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Re: Diff oil change
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Sat, 21 August 2004 07:53
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why didnt u call me?
undo the drain plug, drain the oil
now grab a coke bottle, chop the bottom off, grab some garden hose and gaffa the hose into the top bit. now you have a funnel to suit.
open the filler hole, and fill via the home made dodgy funnel that will work once before falling appart 
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Location:
Sydney
Registered:
May 2004
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Re: Diff oil change
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Sat, 21 August 2004 08:03
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I've heard jacking it up on a hill helps you get more oil in the diff.
I'm not sure thats a good thing tho.
I know it isn't with a gearbox!
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Banned user
Location:
ADELAIDE - The Drift City
Registered:
July 2002
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Re: Diff oil change
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Sat, 21 August 2004 08:11
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nah for that you'd be better off not using the filler hole. take an axle out and jack that side right up while leavintg the other side down, this will let you pour oil down the axle tube
probably a better method.
2L is plenty for the diff anyway. toyota reccomend 1.7 L so 300 ml wont go astray. if its overfull too much it will just go out the breather anyway
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Location:
Adelaide
Registered:
November 2002
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Re: Diff oil change
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Sat, 21 August 2004 10:12
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Thanks guys. I was pretty sure on what to do, but in case there were any big NO NOs I just wanted to ask 
Is it even possible to get 2L into the diff via the filler hole? I thought they took 1.3L?
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Location:
c'town, NSW
Registered:
May 2002
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Re: Diff oil change
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Sat, 21 August 2004 12:03
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handy hint
make sure u are able to undo the filler hole before u drain the oil.
sometimes these plugs can cause dramas and u dont want to have a drained diff with no way of putting oil back into it if u strip the filler plug.
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Location:
Brisbane
Registered:
May 2002
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Re: Diff oil change
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Sat, 21 August 2004 12:11
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LOL! That's exactly what happened to me on the day I finished my 2JZ conversion. After 18 months of pain and frustration, I was finally going to go for my very first drive... right after I change the diff oil.
To cut a long story short, after draining the oil and struggling with the filler bolt for hours, I had to remove the entire diff and take it to a friend's workshop to have the bolt removed using more "persuasive" means. I hate diff filler bolts! 
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Registered:
June 2003
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Re: Diff oil change
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Sat, 21 August 2004 12:20
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Ouch Norbie!
Same thing nearly happened to me with draven when we were doing the gearbox oil. Damn overflow bolt wouldn't come out. Luckily we checked first - tried removing the overflow before we drained the oil
Always check the overflow/filler bolt first people! Learn from our mistakes!
-J-
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Banned user
Location:
ADELAIDE - The Drift City
Registered:
July 2002
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Re: Diff oil change
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Sat, 21 August 2004 13:11
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dont ya hate that, the small irrelivant things that you wounldnt think cause such a headache, end up doing just that!!!
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Location:
tallahassee FL usOFa
Registered:
May 2002
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Re: Diff oil change
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Sun, 22 August 2004 02:08
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drain when it's as hot as possible, and let it drip for at least 5 minutes.
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Location:
Brisbane
Registered:
February 2003
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I supported Toymods
Location:
Ryde, NSW
Registered:
April 2004
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Re: Diff oil change
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Sun, 22 August 2004 02:43
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| monkeymajik wrote on Sun, 22 August 2004 12:12 |
and cover your nose.
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especially when its hot hot hot and been in the vehicle for a long time and used under high load. gear oil stinks at the best of times when its new.
I have to change Jag diff oil annually at work. smelly shite
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Location:
Brisbane
Registered:
May 2002
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Re: Diff oil change
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Sun, 22 August 2004 08:57
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I thought Jags drained the oil all by themselves? 
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I supported Toymods
Location:
Perth
Registered:
May 2002
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Re: Diff oil change
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Sun, 22 August 2004 09:27
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| Norbie wrote on Sat, 21 August 2004 20:11 |
To cut a long story short, after draining the oil and struggling with the filler bolt for hours, I had to remove the entire diff and take it to a friend's workshop to have the bolt removed using more "persuasive" means. I hate diff filler bolts!
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So we weren't the only ones? We had Glens back plate from the diff screwed to a block of wood, his dad welded a nut to it then we could finally get it off. Needless to say, the bolt on there now if big and chunky 
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Registered:
August 2002
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Re: Diff oil change
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Sun, 22 August 2004 09:30
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| justcallmefrank wrote on Sun, 22 August 2004 19:27 |
| Norbie wrote on Sat, 21 August 2004 20:11 |
To cut a long story short, after draining the oil and struggling with the filler bolt for hours, I had to remove the entire diff and take it to a friend's workshop to have the bolt removed using more "persuasive" means. I hate diff filler bolts!
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So we weren't the only ones? We had Glens back plate from the diff screwed to a block of wood, his dad welded a nut to it then we could finally get it off. Needless to say, the bolt on there now if big and chunky
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haha 32mm jobbie
well large
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I supported Toymods
Location:
Perth
Registered:
May 2002
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Registered:
August 2002
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Re: Diff oil change
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Sun, 22 August 2004 09:36
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a new socket, bigger than the standard sizes.
But im never striping that thing.
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I supported Toymods
Location:
Perth
Registered:
May 2002
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Re: Diff oil change
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Sun, 22 August 2004 09:38
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True, and I'd thoroughly recommend this, in retrospect the factory diff bolt is a stupid size cos its not very tall.
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Location:
Brisbane
Registered:
May 2002
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Re: Diff oil change
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Sun, 22 August 2004 13:42
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| justcallmefrank wrote on Sun, 22 August 2004 19:27 |
We had Glens back plate from the diff screwed to a block of wood, his dad welded a nut to it then we could finally get it off.
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Exactly what I ended up doing. Even the heat from the mig wasn't enough to loosen the bolt... I still had to lean on the thing with a big breaker bar to get the bastard off!
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Location:
Tasmania
Registered:
May 2002
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Re: Diff oil change
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Mon, 23 August 2004 13:42
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I use a 24mm 6 point 1/2" drive socket with a long breaker bar. I hold the socket flat on the plug with one hand, then give the breaker bar a good hit with the other hand. I am hopeing for a crack sound, which you get when you suprise or "crack" a nut off. Then in turns freely. I do this every day.
Do not:
hold the spanner or bracker bar with only one hand, or just at the end and apply constant increasing force. The head of the socket will cock sideways and slip a bit, and you will round off the flats on the plug.
Also, try not to ever use a open ender spanner when using constant increasing force. The flats of the open ender will open up and round off the nut/bolt. You always need to surprise it.
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Location:
Brisbane
Registered:
July 2002
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Re: Diff oil change
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Mon, 23 August 2004 15:28
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| justcallmefrank wrote on Sun, 22 August 2004 19:27 |
| Norbie wrote on Sat, 21 August 2004 20:11 |
To cut a long story short, after draining the oil and struggling with the filler bolt for hours, I had to remove the entire diff and take it to a friend's workshop to have the bolt removed using more "persuasive" means. I hate diff filler bolts!
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So we weren't the only ones? We had Glens back plate from the diff screwed to a block of wood, his dad welded a nut to it then we could finally get it off. Needless to say, the bolt on there now if big and chunky
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is what ill have to do in a few weeks mine is stripped from previous owners... so i think its also still running on 20 y/o diff oil lol
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Location:
Brisbane
Registered:
June 2003
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Re: Diff oil change
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Mon, 23 August 2004 15:40
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most simple way to get a seized one out:
cold chisel and hammer
make sure ur good enough to wedge the chisel in and your hits should mislodge it a bit.
Good idea to run penotrene all around the bolt and leave it for a coupla hours first.
Its how ive got all my bolts off, if a long bar on a breaker bar didnt work.
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I supported Toymods
Location:
Perth
Registered:
May 2002
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Re: Diff oil change
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Mon, 23 August 2004 15:50
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Problem with the MA61 diff bolt isn't that its so tight, its just the bolt head isn't tall at all.
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Location:
Brisbane
Registered:
June 2003
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Re: Diff oil change
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Mon, 23 August 2004 15:58
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yeah thats why i got it off with the chisel lol.
of you can buy the appropriate sized spanner? 24mm is available..
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Location:
Brisbane
Registered:
July 2002
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Re: Diff oil change
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Mon, 23 August 2004 16:00
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| V8_MA61 wrote on Tue, 24 August 2004 01:58 |
yeah thats why i got it off with the chisel lol.
of you can buy the appropriate sized spanner? 24mm is available..
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wanna help me do mine then? hehe
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Location:
Brisbane
Registered:
May 2002
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Re: Diff oil change
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Mon, 23 August 2004 22:35
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I have a 24mm ring spanner, and even using the techniques mentioned above I couldn't budge it. Then I tried the chisel and hammer method, but all that did was mangle the bolt some more. I reckon some tool must have used loctite on it at some point, it was stuck fast!
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Location:
Brisbane
Registered:
July 2002
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Re: Diff oil change
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Mon, 23 August 2004 22:37
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what a bastard.. reckon it would be okay to weld a bolt on while diff is still on car, full of oil?
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Location:
sunny coast, qld
Registered:
October 2002
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Re: Diff oil change
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Mon, 23 August 2004 22:42
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my dad did that on the sump plug on his car. worked fine. No harm done that I can see
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Location:
Brisbane
Registered:
May 2002
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Re: Diff oil change
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Mon, 23 August 2004 22:42
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Should be ok if you just tack-weld it on, ie don't get it too hot.
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Location:
Sydney
Registered:
May 2002
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Re: Diff oil change
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Tue, 24 August 2004 00:52
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norbie why didnt you just remove the rear cover? or would it not come off either?
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Location:
Brisbane
Registered:
May 2002
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Re: Diff oil change
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Tue, 24 August 2004 02:24
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Hindsight is a wonderful thing.
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Location:
Sydney
Registered:
May 2002
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Re: Diff oil change
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Tue, 24 August 2004 02:51
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hahah soo many swear words went out I bet.
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