95 GQ Gearbox oil

Submitted: Saturday, Apr 03, 2004 at 22:41
ThreadID: 11799 Views:2523 Replies:5 FollowUps:1
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Righto, I changed my gearbox oil recently and put in what the book said,85/90 i think, but it seems too thick, especially with the colder mornings. It's a bit sticky shifting and I seem to have introduced a new "rotatingyy" type noise when it's cold.
What oil should I be sticking in a 95 EFI gearbox ( manual) in Perth? Brand and specs would be good.
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Reply By: Coops (Pilbara) - Saturday, Apr 03, 2004 at 23:50

Saturday, Apr 03, 2004 at 23:50
gearbox is best with a 75w/85, GL4 is what I have been recommended for my 96 80 Series. Should be similar.
This recommendation came from Russell at Synforce (Advertiser on this site) and you can contact him personally or order online.
AnswerID: 53110

Reply By: Savvas - Sunday, Apr 04, 2004 at 08:03

Sunday, Apr 04, 2004 at 08:03

You may have misread the manual and put in an oil that's too heavy.

Castrol's lube guide recommends VMX-M 75W/85. Penrite recommends Manual Gear Light 80W/85. Penrite goes on to mention good cold shifting characteristics with their oil.

Check their online guides -

Castrol's guide

Penrite's guide
AnswerID: 53119

Reply By: fourstall2000 - Sunday, Apr 04, 2004 at 09:41

Sunday, Apr 04, 2004 at 09:41
Ferrret,I have owned 3, GQ models,petrol and diesel,you must use GL4.
The tolerances are too tight in the gearbox for anything else.
If you use GL5 (even some Nissan dealership use this more common oil)
You will find gear changes harder on cold mornings,I have checked this with castrol and GL4 is specified and must be used in these boxes.
AnswerID: 53127

Reply By: Russell from Synforce Lubricants - Sunday, Apr 04, 2004 at 15:30

Sunday, Apr 04, 2004 at 15:30
ferret, 75w/85 GL 4 is the correct one for you, 80/90 is too heavy and GL 5.
we are currently trialling a more suitable gear box oil with some forumites, may be one of those could comment even at this early stage.
AnswerID: 53149

Follow Up By: Roachie - Sunday, Apr 04, 2004 at 17:27

Sunday, Apr 04, 2004 at 17:27
G'day Russell,
Sorry mate, haven't had a chance to put it in the Patrol yet. We're off to Coffin Bay for Easter, so I'll probably under the old girl ( and maybe the truck too....LOL) the following weekend.
FollowupID: 314905

Reply By: Martyn (WA) - Sunday, Apr 04, 2004 at 19:36

Sunday, Apr 04, 2004 at 19:36
My book says 75W / 90 and I run a 75 / 85 in the GU, don't forget the Autran DX 2 in the transfer case, have you checked that yet? Sorry I didn't catch you last week the week just got away from me, are you back in again before Easter I'm off on Thursday.
Keep the shiny side up

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AnswerID: 53174

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