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Diff / Transfer / Gearbox Oil Change

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13 Nov 2016 15:05 #174586 by jackonlyjack
you could trying to apply pressure anti clockwise and tap head of ratchet with hammer
i used 1/2 meter of scaffolding tube once to get leverage ;)

Jack

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  • Riccy
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13 Nov 2016 15:19 #174587 by Riccy
Bet your glad you checked the filler plug first!

the first time i changed mine it took a 2ft long bar to get it off. hadnt been off in approx 8 years.

J999 MNY, ULYSSES M18 VVT with ITB's Dyno tested at 130hp

Pickup/tipper, R7me gearbox & 6.4 Rocklobster, 31" Toyo MT, 2x ARB air locker 3.9 diffs in braced axles, 6" total lift, Floating rear conversion, Raptor painted, CB, Recaro's, Caged, etc, etc...

www.youtube.com/user/riclemus

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  • Young Pretender
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13 Nov 2016 15:24 - 13 Nov 2016 15:26 #174588 by Young Pretender
Replied by Young Pretender on topic Diff / Transfer / Gearbox Oil Change
You're not wrong!

Thanks gents, got them both out now.. best work out I've had in a while :)
Last edit: 13 Nov 2016 15:26 by Young Pretender.

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13 Nov 2016 16:33 #174590 by jim
Replied by jim on topic Diff / Transfer / Gearbox Oil Change
30-60 seconds with a heat gun makes undoing them very easy.

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03 Aug 2020 13:08 #226023 by TarkMalbot
Replied by TarkMalbot on topic Diff / Transfer / Gearbox Oil Change
So I was looking for GL-4 75W-90 and GL-5 80W-90 and come across the following product. Would this be suitable to use in both the boxes and the diffs??

COMMA - GEAR OIL SX75W-90 GL-5 SEMI SYNTHETIC ALSO 75W-90 80W-90 85W-90

Suitable for modern five and six speed gear boxes and differentials.

Suitable for applications where a 75W-90, 75W-85, 80W-90 or 85W-90 API GL-5, GL-4 oil is specified.

Performance profile: SAE 75W, SAE 75W-90, SAE 80W, SAE 80W-90, SAE 85W, SAE 85W-90, SAE 90

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  • Lambert
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03 Aug 2020 15:35 #226026 by Lambert
I have had issues with the use of gl4/5 combination oils in the main gear box. The shift become heavy until I changed it to a pure gl4 which took it back to its normal rifle bolt action.

Temeraire (2018 quasar grey automatic)
One of the last 200ish of the gen3s, probably.
ADOS Attention Deficit Ooooh Shiny!

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03 Aug 2020 16:14 - 03 Aug 2020 16:17 #226031 by Riccy
A few of us are running Redline MTL in the gearbox with good results. Avaliable from opie oils online shop in american quart bottles (2 small ones needed for a oil change). Not the cheapest, but does work very well and is a proper GL4 oil.

Transfer box (if standard) can use the same stuff I think. Diffs need EP (extreme pressure) rated oil (as per the bigjimny wiki info).

www.opieoils.co.uk/p-1020-red-line-synth...mt90-75w-90-gl4.aspx

EDIT: forgot to say - some are using the reline oil to improve stiff gear selection. This problem is more likley caused by one of the following: Gearstick linkage bush worn/broken, Rear engine/gearbox mount worn/broken, Gearstick plastic bush deteriorated and finally gear selector mechanism full of cack. Note that the selector mechanism is external to the gearbox and not oiled by the gearbox oil (semi sealed unit).

J999 MNY, ULYSSES M18 VVT with ITB's Dyno tested at 130hp

Pickup/tipper, R7me gearbox & 6.4 Rocklobster, 31" Toyo MT, 2x ARB air locker 3.9 diffs in braced axles, 6" total lift, Floating rear conversion, Raptor painted, CB, Recaro's, Caged, etc, etc...

www.youtube.com/user/riclemus
Last edit: 03 Aug 2020 16:17 by Riccy.

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08 Sep 2020 21:06 #227955 by auchenblae
Used a GL5 oil, Comma semi synthetic 75/90 in our 2007 car at circa 30,000 miles and replaced car at 60,000 or so with no gear change or gearbox issues at all.

Great change quality before and after the oil change.

eddie

16 SZ3
07 JLX+ gone 16
99 JLX gone 07

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