Vehicle & Technical > Discovery

Diff Lock Evo oil ??

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Saffy:
mtf75 is what LR recommend for r380 gearbox, no idea where mtf94 is used.

ChrisW70:
There was a service bulletin or something along those lines stating that MTF94 should be used in the R380 boxes about a year after they had come out. Think it's something to do with the notchy gear change from 1st to 2nd when cold and the '94 oil supposedly made it easier.

ChrisW70:

--- Quote ---TECHNICAL BULLETIN N O : 0007 ISSUE: 2 PAGE: 1 OF 2
ENGLISH
TECHNICAL BULLETIN
MODEL/DERIVATIVE: Bulletin No : 0007
Range Rover
Discovery / New Discovery
CDS. ref: L8462bu
Issue: 2
Defender Date: 29.03.2000
Freelander

AFFECTED RANGE:
All R380 manual gearbox derivatives - refer to text for specific change points
All Freelander

RE - ISSUE INFORMATION:
Incorrect specification reference deleted from PARTS INFORMATION.
Please destroy your existing copy and replace with this Issue 2.

PROBLEM:
GEARBOX OIL - CHANGE TO SPECIFICATION

CAUSE:
At the following VINs, the original oil fill specification for the R380 gearbox was changed to Texaco MTF94 high performance oil:
Range Rover - WA 384300
Discovery - WA 752315
Defender - WA 131138
New Discovery - All vehicles
The Freelander PG1 gearbox has used the new oil since introduction of the model.

ACTION:
MTF94 will be recognised by its orange/honey colour as opposed to the red Dexron II oil previously used, and is now available from Land Rover Parts.
It is now the only oil which should be used for topping up and complete fill on R380/PG1 gearbox applications.
The new oil is compatible with the old and to enable earlier vehicles to benefit from its introduction, should be used retrospectively on vehicles prior to the above VINs for all top up and refill requirements.
Refer to PARTS INFORMATION overleaf for details.
Until further notice, current Service Schedule gearbox oil change periods are retained and must be adhered to.
--- End quote ---

Pablo011:
well after a fashion I managed to change the gearbox oil, that was after I found a peep whole in the transmisiion tunnel to stick a tube through so I could re-fill the box, anyway, it now has mtf75 in her. I still have the 2nd gear crunch though but it does seem a bit more slicker through the other gears, so still think I need another box tho

Paul

Saffy:

--- Quote from: ChrisW70 on July 17, 2012, 16:32:40 ---There was a service bulletin or something along those lines stating that MTF94 should be used in the R380 boxes about a year after they had come out. Think it's something to do with the notchy gear change from 1st to 2nd when cold and the '94 oil supposedly made it easier.

--- End quote ---

maybe I have been meaning mtf94 then as recommended *opps*, I am going to have to go look in shed later and see what I bought from landrover as my brain is addled. It was defo MTF something as previously it was ATF as recommended

doh... http://www.mud-club.com/index.php?topic=68501.msg578146#msg578146

I do have mtf94 in shed.

so where ta cluff did MTF75 memory poisoning come from  :grin:

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