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Author Topic: Gearbox Oil?  (Read 3839 times)
beardy bloke
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« on: December 15, 2014, 08:04:07 PM »

I know this has been discussed before and seems to be that non EP oil as suggested in the Haynes manual is what should be used .
I think my gearbox may  have sae80/90 oil as this was put in by a local garage as I had a check over service when I got the car . It has not given me any problems so is it best to leave alone or should I change it ?.
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POQ 131
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« Reply #1 on: December 15, 2014, 08:59:07 PM »

Change it.
That oil is too stiff & you will end up ruining the syncro's.  Most probably 2 nd gear.
Engine oil is the correct weight.
O.
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O.
Castrol
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Fiat the way of life....no sense just feeling


« Reply #2 on: December 18, 2014, 08:40:16 PM »

Zc90 tutela is the oil that Factory give in gearbox.....

Some forum post: http://www.guy-croft.com/viewtopic.php?f=4&t=1207


http://www.ricambio.co.uk/453-gearbox-oil-tutela-zc90-1ltr-80w-90-
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Old Fiat?s don?t die they come to my garage Smiley
Fiat 131 Racing replica
Ex:Fiat Argenta 120ie
beardy bloke
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« Reply #3 on: December 19, 2014, 06:57:31 PM »

Thanks for the advice , I am registered on GC forum so would accept his advice . It seems sensible to follow the factory advice and use non ep oil . Another job to do !.
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