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GQ drivetrain oils

Submitted: Thursday, Mar 03, 2005 at 16:43

Willem

I am looking for suggestions on which oils or grades of oil to use in my GQ front diff, rear diff, transfer box and gearbox. The gearbox and transfer box still run quietly but the speedo shows 282000km and as I bought the truck second hand I presume that the boxes are the originals . Should I put a thicker oil in? and if so which brand and grade.
Karoo Jackal
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Willem

There is more than one way to get a rabbit

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ThreadID: 20938 Replies: 5
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AnswerID: 100999   Submitted: Thursday, Mar 03, 2005 at 17:25

Wayne (NSW) replied:

Willem,

Just had a look at the Shell web site and this is what they recommend

Diff 75/90
Transfer 75/90
Gear Box 80w/90

The reason that I use Shell oil is that I can get it just about everwhere, that way if I do have to do a top up or change I am not mixing oils.

I know that you have a GQ but in the 80Series they recommend a very light gear box oil.

Wayne
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Reply 1 of 5
FollowupID: 359062   Submitted: Thursday, Mar 03, 2005 at 19:41

Willem posted:

Thanks Wayne
Karoo Jackal
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Willem

There is more than one way to get a rabbit

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FollowupID: 359145   Submitted: Friday, Mar 04, 2005 at 17:05

banjodog posted:

Too true - easier to use products that are easily available.

Not specificly to the question but neverless a worthwhile read for some -

http://www.chris-longhurst.com/carbibles/index.html?menu.html&engineoil_bible.html
FollowUp 2 of 2
AnswerID: 101005   Submitted: Thursday, Mar 03, 2005 at 17:57

GOB & denny vic member replied:

goodday willem
from the nissan patrol book for 1988-1997 patrols and ford replicas

1 thing always make sur rear diff is lsd oil
manual trans SAE 75W/90 GL4
auto MATIC D
transfer case SAE 75W/90 GL4
front diff SAE 80W/90 GL5
rear diff conventional & locking diffs SAE80W/90 GL5
LIMITED SLIP DIFF SAE LS80W/90 GL5
OR IN CONDIONS OVER 40c SAE LS140GL5

STEVE

PS DO WANT THIS BOOK AS I NOW HAVE THE GU
STEVE
steve with beard & hair???
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Reply 2 of 5
FollowupID: 359060   Submitted: Thursday, Mar 03, 2005 at 19:39

Willem posted:

Interested in book will MM you
Karoo Jackal
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Willem

There is more than one way to get a rabbit

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FollowupID: 359063   Submitted: Thursday, Mar 03, 2005 at 19:53

GOB & denny vic member posted:

willem you are welcome to the book but i have just realised you have a diesel and the book is for petrol( theres some silly buggers around )if you still want it let me know

steve
steve with beard & hair???
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currently in broken hill for a week or so
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AnswerID: 101057   Submitted: Thursday, Mar 03, 2005 at 22:50

ExplorOz Team - Kerry W (QLD) replied:

Hi Willem,

The most useful oil for rear LSD is Penrites Limslip 140 (not 90/140) Do a search on the forum archives for why.

Also keep the gear oil light (as per specification)

This link will give you Penrites specs for GQ

http://www.penrite.com.au/nextpage.php?navlink=db%2Fvehiclewizard4.php&cid=10&make=NISSAN&category=fourwheeldrive&id=317&x=168&y=11

Otherwise any good quality oil brand will look after all the rest.

Cheers
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Kerry W (Qld)
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Reply 3 of 5
FollowupID: 359143   Submitted: Friday, Mar 04, 2005 at 17:01

Willem posted:

Thanks Kerry will look at the Penrite site.
Karoo Jackal
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Willem

There is more than one way to get a rabbit

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AnswerID: 101069   Submitted: Friday, Mar 04, 2005 at 03:32

fisho64 replied:

best to use the spec that the manufacturer recomends, thicker oil is not necessarily better. Imagine an oil pump with a relief valve set at (say) 80psi which then pushes the oil down a gallery into a white metal bearing. Oil enters the gallery at 80 psi whatever viscosity it is. But then picture the difference between the viscosity of (say) milk and treacle. One is going to come out the other end of the gallery at (say) 70 psi the other at maybe half that or less. This is a simplistic analogy but oil specs are worked out due to many variables and noone knows better than the manufacturer what they are
Reply 4 of 5
FollowupID: 359142   Submitted: Friday, Mar 04, 2005 at 16:59

Willem posted:

Thanks for your feedback. Much appreviated
Karoo Jackal
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Willem

There is more than one way to get a rabbit

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AnswerID: 101079   Submitted: Friday, Mar 04, 2005 at 07:41

fourstall2000 replied:

It does not matter so much the brand but for the gearbox ensure it is GL-4.
If you use GL-5 which is more common you will have gearchange problems.
Regards
Reply 5 of 5
FollowupID: 359144   Submitted: Friday, Mar 04, 2005 at 17:02

Willem posted:

Thanks mate. Appreciate your advice
Karoo Jackal
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Willem

There is more than one way to get a rabbit

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