Technical Gearbox oil

[UnoMia]

Hi Everyone!

I've not posted for awhile cos my little Uno has been running trouble free - touch wood!

I do have a question though; a few months back I changed the gearbox oil and used a slightly lighter oil, (Castrol EP 75W-80), to see if it improved the gear shift. I normally use EP 80W-90. I've not noticed much difference but in the last couple of weeks I hear a sort of wha-wha-wha noise when driving. This may be a wheel bearing or something unrelated to the lighter gear oil I've used but I was hoping you guys might be able a recommend the best oil for the Uno 1100 gearbox?

Thanks in advance. :worship:

 

[Peter Pick-Up]

A slight difference in weight doesn't harm/ improve anything.
Go for synthetic gear oil if you want the best.
I use Castrol SMX-S in the gearbox of my Fiorino Pick-Up 1,7 Diesel for almost 10 years now ( 125.000mls), change it about every 30.000mls.
No problems at all, shifts like new, warm (summer) and cold (winter).

 

[UnoMia]

Hi,

Thanks for the tip, I'll try synthetic oil and see if it improves things.

 

[Uno driver]

Be careful, wrong oil will destroy gearbox. Use GL-3 oil, GL-4 or GL-5 are not suitable, as they are eating away yellow metals in older gearboxes (uno, panda...). Use engine oil if you can't get correct gearbox oil. There was a lot of talking about this in Uno and Panda sections, do a search.

 

[Peter Pick-Up]

Castrol SMX-S is rated GL-3/ GL-4, and is a perfect choice for an Uno gear box!

 

[UnoMia]

Hi,

Over the last weekend and before I read your replies I drained the gearbox and put fresh EP80 oil in it. The noise appears to have gone and the car seems generally smoother when driving. Is it okay to use this grade of oil? Incidently this is a Mk2 Uno, with 5 speed box, (2001 South African model).

Thanks for all your help.

 

[cha40]

I've always used HD40 in my uno's and x1/9's, its a heavy duty diesel engine oil.

charlie

 

[Peter Pick-Up]

Hi,

Over the last weekend and before I read your replies I drained the gearbox and put fresh EP80 oil in it. The noise appears to have gone and the car seems generally smoother when driving. Is it okay to use this grade of oil? Incidently this is a Mk2 Uno, with 5 speed box, (2001 South African model).

Thanks for all your help.

I guess it's alright, but I'm not sure.
Have a look at your local Castrol site, there's an oil adviser there.
www.castrol.com
If you can't find it there, send Castrol an email, I found them always very helpfully with my questions regarding lubrication.

 

[Ucof]

LINK FOR THE LAZY: http://www.castrol.com/castrol/iframe.do?categoryId=9024084&contentId=7044829




(That's from the UK site, so only UK registrations will work. For other countries (NZ, ZA etc) you need to go to the main page, select your country and go from there.)

 

[antsuno2]

i used castrol syntrax Ant!

 

[Peter Pick-Up]

Castrol Syntrax used to be part synthetic, while the newer generation Castrol SMX-S is fully synthetic gear oil....!