Diff Oils - Point me in the right direction..

frozen

1 AYC Bar
Lifetime Member
Location
Queensland
First Name
Josh
Drive
1990 Mitsubishi GTO
Formerly: 1996 Galant VR-4
Im sure this is somewhere already, but can someone point me in the direction of which oils i need for the rear diff? going for all amsoil products...
Also AYC fluid.. and anything else ill need fluid wise.

thanks in advance! tried searching lol.. im bad at it
 
G

Guest

Unregistered
hey dude

i read through a couple of things in the general questions area about AYC servicing and general chit chat about rear diff oil opinions?

and dont worry... its take me a bit too haha
 

bradc

1 AYC Bar
Location
New Zealand
First Name
Brad
Drive
Facelift Manual 400hp VR-4 Legnum
Yep, what he said ^^^^

If you don't need to change the transfer case then you can just buy 1 litre.
 

naughtika

OzVR4 Stalker
Location
Brisbane, QLD
First Name
Christian
Drive
'96 Galant VR4, '17 MB A180, '25 Macan GTS
I think he also needs to change his transfer case as well.. from memory I only did his gearbox since we couldn't open up the fill plug in his transfer case..

also



2 quarts (946ml) of SVG GL5 at ~$21each = ~$42.00​


That will be enough for the AYC and transfer case.​

And about 3 ltrs of ATF.



sorry but its kinda confusing to me and maybe to others..

2 quarts is for the rear diff ONLY..

and the ATF is for the AYC
 

Sydo

Leaving Skid Marks
Location
Victoria
First Name
Andy
Drive
Me Crazy
sorry but its kinda confusing to me and maybe to others..

2 quarts is for the rear diff ONLY..

Sorry.. I just copied and pasted from an old email.
I have no idea what a quart is. Silly Americans.

To clarify - you'll need about 700mls for the diff, and the same again for the transfer case (or there abouts).
 
G

Guest

Unregistered
Just a question with diff and transfer case oil.

Does it matter if we use 75W90 or 80W90?
And GL5 but what about if it sayd GL5 +GL6

eg:
Penrite SIN GEAR OIL 75
Synthetic gear oils engineered for maximum protection, life and performance. Use for transmissions and differentials for all types of high performance cars. SIN Gear Oil 75 has been specifically enhanced to survive the extremes of V8 operations.
Exceed API GL-5 and GL-6.

Also this doesn't say Hypoid anywhere, does this matter?
 

bradc

1 AYC Bar
Location
New Zealand
First Name
Brad
Drive
Facelift Manual 400hp VR-4 Legnum
As long as it is in the region of 75-80 when cold and 90-95 when hot I don't think you need to worry. GL5 is the correct standard to look for, and GL6 will be ok too.

Not too sure about the hypoid thing, possibly worth checking with Penrite?
 

SiliconAngel

1 AYC Bar
Location
Perth, WA
First Name
SA, Trevor
Drive
'99 Legnum VR4 Black MT
AFAIK the hypoid gear oil spec relates to a property of the lubricant that allows it to adhere to and adequately lubricate the peculiar surface of hypoid gears. Not all gear oils have this property, so its definitely worth investigation before you put it in your car.
 

VR-04-TT

1 AYC Bar
Location
QLD
First Name
Paul
Drive
1999 Legnum Type S
Must be Hypoid for the transfer as stated in the workshop manual. Castrol make a hypoid that's not too expensive and still a good quality oil.
 

cyber_scriber

1 AYC Bar
Location
NSW
First Name
Bruce
Drive
2000 Galant; metallic dark blue; manual; Recaros; Momo steering wheel; and sunroof!
Im sure this is somewhere already, but can someone point me in the direction of which oils i need for the rear diff? going for all amsoil products...
Also AYC fluid.. and anything else ill need fluid wise.

thanks in advance! tried searching lol.. im bad at it

Josh, what you are looking for is here:

http://www.ozvr4.com/forums/showthread.php?t=5913

In short, for the rear diff, you will need 0.5 litres of something GL5 hypoid gear oil of around 80w90 weight, such as Amsoil SVG 75w90.

For the AYC fluid, you need ATF SPIII, SVG 75W90.

The above thread also lists the relevant specifications for the other fluids and parts that you may need in a service.
 
G

Guest

Unregistered
Quick question, it is recommended on the Castrol website to use SAF-XA 75w140 in the rear diff and transfer case for the Evo VIII and IX. I read what I could on EvoOZ and some people state that it's good for high temperature loadings (track, towing etc).

However, would this be too thick for our VR4s? Should I really aim to get Castrol Syntrax or Amsoil SVG, both of which are 75w90.
 

bradc

1 AYC Bar
Location
New Zealand
First Name
Brad
Drive
Facelift Manual 400hp VR-4 Legnum
There is an amsoil option that is XXw140. Quite a few people in the UK run it with no problems. I'm not sure if it is actually better or not though.
 
G

Guest

Unregistered
Must be Hypoid for the transfer as stated in the workshop manual. Castrol make a hypoid that's not too expensive and still a good quality oil.
Poeple in the shop reckon don't worry about the hypoid being on the bottle if you get a full synthetic as its so much better anyway and exceeds hypoid standards......
 

Macca

Showing some Leg.
Location
Toowoomba, QLD.
First Name
Craig 'Macca' Mclean
Drive
2000 Mitsubishi Legnum Type S
Old thread revival as it seems no one in the officially too lazy section wants to answer me.

It seems everyone has a thing for Amsoil but is there any other oil that can be used in the diff and transfer case? Specific brands? What are other people using?

Syntrax wouldn't be any good would it, because its a manual gearbox oil, true?

I remember someone saying it MUST be GL5 but as stated on this thread, what if its GL5/GL6 is that OK? I know its been said the GL4/GL5 isn't any good for the gearbox so wouldn't that mean the GL5/GL6 wouldn't be any good for the diff/transfer case.
 
G

Guest

Unregistered
Syntrax wouldn't be any good would it, because its a manual gearbox oil, true?

Here's how I remember it:

Syntrax = axle = GL5 (ie: transfer case & diff)

Syntrans = transmission = GL4 (ie: manual gearbox)

DO NOT put GL5 into your manual gearbox! It will corrode your synchros.
 

Macca

Showing some Leg.
Location
Toowoomba, QLD.
First Name
Craig 'Macca' Mclean
Drive
2000 Mitsubishi Legnum Type S
I wasn't going to put GL5 in the gearbox, I'm getting syntrans for that but I thought I read manual gearbox on the syntrax bottle.
 
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