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Sierra Sapphire MT75 gearbox issues

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Old Apr 24, 2025 | 06:43 PM
  #1  
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kayhems
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Default Sierra Sapphire MT75 gearbox issues

I have some problems regarding gearshifting on my 4x4 mt75 gearbox.
I just finished installing the gearbox after a replacement of a gearshaft, and now i have som issues with the first and second gear.
It turns out that the gear lever does not go stright up in first gear, or straight down in second.
They angle slightly inward, towards the middle to get into the final position.
The other gears goes straight into place.

Has anyone else here experienced a similar problem?

Best regards, Kay
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Old Apr 25, 2025 | 03:52 PM
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Marc sierra
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That looks awkward. I'm no expert on gearboxes, but I suppose it could have something to do with how the shift pin moves within the shift gate, as I believe that is what determines the H pattern of the gearbox. Maybe the shift gate is bent, although I wouldn't know how that would be possible.

Does everything work correctly apart from the lever not going straight? Does it still go in gear and does not jump out?
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