2.0 tdi Injectors popped out

[Trev1976]

Has anyone had there injectors pop out on a 2.0tdi?
I had it happen last wk,ve fitted new seals washers,bolts & clamp brackets & after 20miles the same 2 injectors have popped again,I’ve used genuine parts & used the correct torque settings which I got from a local engineer who has been building engines all his life. 
I’m hoping it’s happen to someone twice & that they found the solution ,both times the bolt sheared.
Just done a scan & got these codes,don’t know if they are relevant to the issue.

p0135

P1440

P0405

p2454

TIA