sceh

MMT box fluid/oil change?

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2004 Yaris petrol with the MMT box. Do I need to change whatever fluid is inside it or is it lubricated by the engine Oil? Or is is sealed for 'life'

thanks for any hints

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Hey,

Manual gearboxes generally aren't as tricky as automatic gearboxes. It's recommended to change the transmission fluid every 100,000 km's. For the specific type of the fluid needed you can consult your user manual or somebody here will probably be able to chime in with the exact fluid needed.

And don't ever believe anyone who says that any fluid in a car is "for life". The only way a fluid in a car is for life is when you don't change it long enough and something breaks - leading for replacement and it truly being "for life".

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Similarly, a "sealed for life" bearing is, but only for the life of the bearing.😐

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Since this is a manual box with an electronic control and clutch, the fluid will be normal gearbox Oil without a filter - unlike a proper automatic with auto fluid and usually a built in filter inside the box.

Curiously I can find no information about the box or an exploded diagram. Toyota have probably removed all mention since the box is such an embarrassment...

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19 hours ago, sceh said:

the box is such an embarrassment..

You are not wrong there.🤐

  • Haha 1

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