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Gearbox oil

  • jayuk022002
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24 Jul 2012 08:00 - 24 Jul 2012 08:01 #44798 by jayuk022002
Gearbox oil was created by jayuk022002
I have a 2003 jimny 1.3 DOHC

Will this oil be ok for the gearbox


Castrol MTX Synthetic Gear Oil SAE 80w API GL4 17837184



I cant seem to find out what brand suzuki use!
Last edit: 24 Jul 2012 08:01 by jayuk022002.

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24 Jul 2012 16:54 #44815 by kirkynut
Replied by kirkynut on topic Re: Gearbox oil
I wouldn't get hung up on the brand but just had a quick look at my manual and it says 75w90 GL4.

So I would just get whatever your local motor factor has in that. Just make sure it's GL4 as there are additives in GL5 that eat away at some parts in the transmission.

GL5 is fine in the diffs though.

Kirkynut

The underdog often starts the fight, and occasionally the upper dog deserves to win - Edgar Watson Howe.

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  • markyp2000
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24 Jul 2012 17:25 - 24 Jul 2012 17:27 #44825 by markyp2000
Replied by markyp2000 on topic Re: Gearbox oil
never come across that before just use ep75/90
Last edit: 24 Jul 2012 17:27 by markyp2000.

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24 Jul 2012 19:02 #44835 by kirkynut
Replied by kirkynut on topic Re: Gearbox oil

markyp2000 wrote: never come across that before just use ep75/90


That you may not have but it's the way it is. It's no effort to ask for the right one at the motor factors but it is an effort to get a 2nd hand gearbox because you didn't use the right gearbox oil.

Kirkynut

The underdog often starts the fight, and occasionally the upper dog deserves to win - Edgar Watson Howe.

My Jimny Thread Here: www.bigjimny.com/index.php/forum/8-my-ji...on-continues?start=0

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24 Jul 2012 21:13 #44858 by facade
Replied by facade on topic Re: Gearbox oil
I used the Comma SX75w90 GL4 semi synthetic oil.
The trick is getting it in, I bought a 500ml oil syringe from Machine Mart to do the job.

Do remove the filler bung first, in case it is stuck, also lets the oil drain out easier if air can get in faster.
Smear thread sealant on the drain plug threads before fitting or it will drip Stag/Heamatite will do if you haven't got the proper stuff.

The GL5 additives eat away at the bronze bushes, this used to be a problem, but I think the GL5 additives changed to prevent it. I stick to GL4 to be on the safe side.

If it suddenly breaks, go back to the last thing that you did before it broke and start looking there :)

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  • jayuk022002
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25 Jul 2012 11:11 #44887 by jayuk022002
Replied by jayuk022002 on topic Re: Gearbox oil
Cheers for the help guys

Went to the garage and asked for 75w90 GL4

Wont be a problem getting it in as its gearbox not in the car yet.

Old gearbox syncrho has gone

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25 Jul 2012 22:15 #44925 by kirkynut
Replied by kirkynut on topic Re: Gearbox oil
Those oil syringes are good, my mate uses one. I have a pump which is ok but the syringe it quicker, although if you're not careful can be messy. Just got to be careful though, no great shakes!

Glad you got it ok. Stick a breather pipe on it whilst it's out, it's nearly impossible with the box in the car!

Kirkynut

The underdog often starts the fight, and occasionally the upper dog deserves to win - Edgar Watson Howe.

My Jimny Thread Here: www.bigjimny.com/index.php/forum/8-my-ji...on-continues?start=0

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  • Jay-t
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12 Apr 2018 00:26 #191602 by Jay-t
Replied by Jay-t on topic Gearbox oil
What if I add oil treatment to the gearbox ?

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  • Lambert
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12 Apr 2018 04:22 #191605 by Lambert
Replied by Lambert on topic Gearbox oil
I would suggest being very careful about putting additives in the gearbox oil. The boxes contain yellow metals that can be eaten away by certain chemicals in oils. If you have a concern about the oil in the gearbox the best and simplest thing to do is replace it with the correct gl4 from a reputable supplier.

Temeraire (2018 quasar grey automatic)
One of the last 200ish of the gen3s, probably.
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12 Apr 2018 08:18 #191606 by yakuza
Replied by yakuza on topic Gearbox oil
The company I work with, designing gearboxes for ships, do not approve any additives to the gear oil.
There is already additives in the gear oil from the oil manufacturer and of you add any you will never know how they react to the additives already in the oil.
Breakdown in the gear oil film on the gear wheels will result in scuffing and excessive gear wheel wear.

I went to my local suzuki garage this morning and bought 1.5 liter 75/90 gear oil with original spec..

Norway 2005 Jimny M16A VVT, 235 BFG MT, 2" Trailmaster, ARB rear lck, 17%/87% high/low gears.

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12 Apr 2018 08:23 #191607 by yakuza
Replied by yakuza on topic Gearbox oil
Might note that I have the R72 2005 and up gearbox that fails. and your 2003 has the more failsafe R7me gearbox.
As I experienced a gearbox breakdown last Saturday makes me go as far as i can to optimize everthing around this.

With a R7me gearbox from before 2005 i guess you can ease off this a bit :)

Norway 2005 Jimny M16A VVT, 235 BFG MT, 2" Trailmaster, ARB rear lck, 17%/87% high/low gears.

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  • Venter
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13 Apr 2018 10:16 #191655 by Venter
Replied by Venter on topic Gearbox oil
Use the money you would have spent on the additive to buy a top quality oil such as Redline

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