RRC 1987 3.9 auto borg warner transfer box oil

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harris1963

New Member

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7

Location

perth

• May 29, 2023

• #1

I am very confused
just going through the oils on the range rover, checked the old haynes manual, it has the old three speed box, it has a borg warner transfer box

I drained the old oil-around 3 lt of very dark atf-manual says hypoid 90?? does it have the wrong oil, or does the borg warner use a different oil?

scratching my head-any help much appreciated

Tony

 

norseman

Well-Known Member

Posts

3,317

Location

Essex - UK

• May 29, 2023

• #2

You are confused?
So am I as a '87 RRC had neither a 3.9 engine, a 3sp auto, or a BW transfer box

 

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harris1963

New Member

Posts

7

Location

perth

• May 30, 2023

• #3

norseman said:

You are confused?
So am I as a '87 RRC had neither a 3.9 engine, a 3sp auto, or a BW transfer box

Click to expand...

Good point, in the lt tradition I suspect this is a mongrel! Does anyone know which oil is required for the Borg Warner transfer box, or does it depend on the model
Bw 13-61-003?

 

Grrrrrr

Technician, Bodgit & Scarper Ltd

Posts

19,641

Location

Buckinghamshire, UK. ('95 DT)

• May 30, 2023

• #4

Have you checked what it says in RAVE?

I don't know about yours but the later P38 had ATF3 in the BW transfer box. Filled until it dripped out the fill hole.

 

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harris1963

New Member

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7

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perth

• May 30, 2023

• #5

i have a couple of manuals-they seem to say BW has atf-but some say transfer box hp 90-where can I find rave?

 

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Ratae

Well-Known Member

Posts

3,278

• May 30, 2023

• #6

As norseman says for the model year the engine & both gearboxes are wrong so it sounds like it's had a lot done to it - assuming you've correctly identified the units.

The LT230 transfer uses HP oil.

The BW box uses ATF. Ashcroft's recommend:

"What oil should I use in my Borg Warner transfer box?​

We recommend you use ATF Dexron 2/3 in your Borg Warner transfer box?"

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The RAVE CD disc doesn't cover the 'normally equipped' 1987 Model Year. That's in a big thick book which covers MY 1986 to 1989.
"Workshop manual 1986 to 1989 Ref: SRR660ENWM
Range Rover Workshop Manual all Petrol and diesel models from 1986 to1989"

Forget the Haynes manual.

 

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harris1963

New Member

Posts

7

Location

perth

• May 30, 2023

• #7

Thanks for clearing that up, I was going round and round and round...