2016 Microcar M.GO-3 motor/gearbox bolts breaks

Car: Microcar M.GO-3
Year: 2016
Variant: Lombardini Progress
Categories: Engine & Drivetrain
The bolts (M10x240) that holds the motor & gearbox together keeps breaking. Straight off at the nut.
I’ve used original bolts, 10.9 bolts and now latest 8.8 bolts. But they just lasts for 150-200km before they breaks….
I have new original bolts coming next week but it’s not working to change bolts every week…..any body that have experience the same problem and have an idea of how to get rid of the problem???
We have changed the motor cushions, I had an idea that if the motor/gearbox was rocking to hard it could stress the bolts to much, but it seems it became even worse after that.
//Pierre
Posted: Oct 23, 2022 (1 year ago)
No idea on that car , never done one . Only very , very rare time I've had that problem on other makes was caused by locating dowel pins missing , but whether there are any on that box I dont know
Posted Oct 23, 2022 (1 year ago)

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